Items where Author is "Ahmad, Harith"

Article

Zhao, Xiong and Jin, Kezhen and Yan, Mengyuan and Nan, Pengyu and Zhou, Fan and Xin, Guoguo and Lim, Kok-Sing and Ahmad, Harith and Zhang, Yupeng and Yang, Hangzhou (2025) Inverse heat transfer for real-time thermal evaluation of aircraft thermal protection structure with embedded FBG sensors. Applied Thermal Engineering, 260. p. 124869. ISSN 1359-4311, DOI https://doi.org/10.1016/j.applthermaleng.2024.124869.

Ooi, Cheong-Weng and Udos, Waldo and Lim, Kok-Sing and Wei, Heming and Yang, Hangzhou and Ahmad, Harith (2024) Insights and Perspectives on Modal Characteristics in Tilted Fiber Bragg Gratings: A Review. IEEE Sensors Journal, 24 (22). pp. 36247-36260. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2024.3468333.

Chew, Jing Wen and Chong, Wu Yi and Muniandy, Sithi Vinayakam and Yap, Yuen Kiat and Ahmad, Harith (2024) Determination of nonlinear refractive index of large area monolayer MoS2 at telecommunication wavelength using time-resolved Z-scan technique. Journal of Nonlinear Optical Physics & Materials, 33 (05). p. 2350052. ISSN 0218-8635, DOI https://doi.org/10.1142/S0218863523500522.

Yang, Hangting and Tan, Daryl and Ramalingam, Nimalrajh and Lim, Kok Sing and Tan, Chee Ghuan and Ahmad, Harith (2024) Enhancing data sparsity in spectral signals using wavelet decomposition for improved compression and storage efficiency. Optical Fiber Technology, 86. p. 103848. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2024.103848.

Ahmad, Harith and Lutfi, M.A.M. and Samion, M.Z. and Zaini, M.K.A. and Yusoff, N. (2024) 98 fs High Energy Stable Hybrid Mode-Locked Nonlinear Polarization Rotation With CuO-Doped ZnO Saturable Absorber. IEEE Journal of Quantum Electronics, 60 (4). pp. 1-11. ISSN 0018-9197, DOI https://doi.org/10.1109/JQE.2024.3396425.

Ahmad, Harith and Lohano, Leela Wanti and Nizamani, Bilal and Samion, Muhamad Zharif and Ismail, Mohamad Faizal (2024) Michelson interferometer-based tunable multiwavelength thulium-doped fluoride fiber laser in S-band for 5 G networks. Physica Scripta, 99 (6). 065575. ISSN 0031-8949, DOI https://doi.org/10.1088/1402-4896/ad4c18.

Naderi, Nima and Ahmad, Harith and Ismail, Mohammad Faizal (2024) Improved optoelectrical performance of nanostructured ZnO/porous silicon photovoltaic devices. Ceramics International, 50 (9, A). pp. 14849-14855. ISSN 0272-8842, DOI https://doi.org/10.1016/j.ceramint.2024.01.400.

Ahmad, Harith and Kamaruzzaman, K. and Samion, Muhamad Zharif and Ithnahaini, Muhammad Umar Mustaqim and Zulkifli, M.Z. (2024) Mode-locking in holmium doped fiber laser operating at 2.06 μm using manganese violet. Optical and Quantum Electronics, 56 (7). p. 1091. ISSN 0306-8919, DOI https://doi.org/10.1007/s11082-024-07019-w.

Naderi, Nima and Ahmad, Harith (2024) Performance stability of porous silicon solar cells using reduced graphene oxide for applications in harsh environments. Optics Communications, 559. p. 130422. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2024.130422.

Ahmad, Harith and Makhfuz, Maryam Jasmine Mohd and Yusoff, Norazriena and Zakaria, Rozalina (2024) The effect of Ti2C MXene on the performance of optical fiber-based surface plasmon resonance sensor towards lead detection. Materials Science and Engineering: B-Advanced Functional Solid-State Materials, 302. p. 117232. ISSN 0921-5107, DOI https://doi.org/10.1016/j.mseb.2024.117232.

Ahmad, Harith and Lutfi, M.A.M. and Samion, Muhamad Zharif and Zaini, Muhammad Khairol Annuar (2024) 108 fs high-power mode locked double-clad ytterbium-doped fiber laser using FePS3 saturable absorber. Optical and Quantum Electronics, 56 (5). p. 825. ISSN 0306-8919, DOI https://doi.org/10.1007/s11082-024-06693-0.

Ahmad, Harith and Loganathan, Kirubhashni and Yusoff, Norazriena and Samion, Muhamad Zharif (2024) Optimizing a 1.9 μm mode-locked laser by controlling the concentration of reduced graphene oxide-magnesium oxide. Optical Materials, 149. p. 114993. ISSN 0925-3467, DOI https://doi.org/10.1016/j.optmat.2024.114993.

Ahmad, Harith and Makhfuz, Maryam Jasmine Mohd and Yusoff, Norazriena and Albaqawi, Hissah Saedoon (2024) 120 nm wide band tunable pulsed laser generation employing vanadium carbide MXene/polyvinyl alcohol (V2C-PVA) film. Physica Scripta, 99 (1). ISSN 0031-8949, DOI https://doi.org/10.1088/1402-4896/ad1024.

Ahmad, Harith and Chiam, J. W. and Samion, Muhamad Zharif and Zaini, Muhammad Khairol Annuar and Zulkifli, M. Z. and Thambiratnam, K. (2024) Tunable wide spacing all-fiber dual-wavelength holmium-doped fiber laser using a Lyot filter operating above 2 μm. Laser Physics, 34 (1). ISSN 1054-660X, DOI https://doi.org/10.1088/1555-6611/ad109a.

Ramalingam, Nimalrajh and Yang, Hangting and Lim, Kok-Sing and Ahmad, Harith (2024) Cantilever-based biaxial FBG inclinometer with low cross-axis sensitivity. Optica Applicata, 54 (2). pp. 189-203. ISSN 0078-5466, DOI https://doi.org/10.37190/oa240206.

Alias, Mohamad Ashraff and Ahmad, Harith and Zaini, Muhammad Khairol Annuar and Samion, Muhamad Zharif and Mohd Sa'ad, Muhammad Syamil and Lim, Kok Sing and Grattan, Kenneth T.V. and Azizur Rahman, B.M. and Brambilla, Gilberto and Reduan, Siti Aisyah and Bayang, Leonard and Ismail, Mohammad Faizal (2024) Optical fiber Bragg grating (FBG)-based strain sensor embedded in different 3D-printed materials: A comparison of performance. Measurement: Journal of the International Measurement Confederation, 225. ISSN 0263-2241, DOI https://doi.org/10.1016/j.measurement.2023.114060.

Ahmad, Harith and Nizamani, Bilal and Samion, Muhamad Zharif and Azam, Azim Danial and Yusoff, Norazriena (2023) Wavelength-tunable mode-locked laser using zinc phosphate as a saturable absorber at 1.9 mu m. Physica Scripta, 98 (6). ISSN 0031-8949, DOI https://doi.org/10.1088/1402-4896/accfd2.

Ahmad, Harith and Nizamani, Bilal and Azam, A. D. and Samion, Muhamad Zharif and Yasin, M. and Sun, S. (2023) O-band mode-locked praseodymium-doped fluoride fiber laser using nickel phosphorus trisulfide. Optics and Laser Technology, 160. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2022.109090.

Dan, Jinxiao and Dang, Wenjie and Li, Zeren and Nan, Pengyu and Xin, Guoguo and Lim, Kok Sing and Ahmad, Harith and Yang, Hangzhou (2023) Compact harmonic vernier sensor based on an in-fiber FPI with three reflector system for simultaneous gas pressure and temperature measurement. Sensors, 23 (8). ISSN 1424-8220, DOI https://doi.org/10.3390/s23084142.

Chew, Jing Wen and Ng, Kok Bin and Gan, Soon Xin and Tey, Lian Seng and Chong, Wu Yi and Yap, Yuen Kiat and Ahmad, Harith (2023) Interaction length-dependent saturable absorption of MoS2-coated planarized waveguide and its effect on the performance of Q-Switched pulse laser generation. Journal of Lightwave Technology, 41 (8). pp. 2458-2464. ISSN 0733-8724, DOI https://doi.org/10.1109/JLT.2022.3231370.

Luo, Dong and Li, Yuanyuan and Lim, Kok-Sing and Yang, Hangting and Ahmad, Harith (2023) Development of Fe-C film coated polymer optical fiber sensor for steel bar corrosion monitoring. Measurement, 210. ISSN 0263-2241, DOI https://doi.org/10.1016/j.measurement.2023.112561.

Ong, Chinkhai and Lee, Wengnam and Lim, Linghong and Chong, WuYi and Chew, Jingwen and Hayashi, Yasuhiko and Nishikawa, Takeshi and Ohberg, Patrik and Ahmad, Harith and Yap, Yuenkiat (2023) Dispersion stability of tin(IV) oxide nanoparticles in polar solvents and water aided by ultrasonication. Japanese Journal of Applied Physics, 62 (3). ISSN 0021-4922, DOI https://doi.org/10.35848/1347-4065/acc0b5.

Ahmad, Harith and Naderi, Nima (2023) Enhanced optoelectrical performance of ultraviolet detectors based on self-assembled porous zinc oxide nanostructures. Ceramics International, 49 (6). pp. 9316-9323. ISSN 0272-8842, DOI https://doi.org/10.1016/j.ceramint.2022.11.098.

Ahmad, Harith and Mansor, Nur Hidayah and Ithnahaini, Muhammad Umar Mustaqim and Samion, Muhamad Zharif and Yusoff, Norazriena and Reduan, Siti Aisyah and Yasin, Moh (2023) Generation of high-power Q-switched pulses based on arc-shaped fiber and tapered fiber with Sb2Te3 in erbium/ytterbium doped fiber laser. Infrared Physics & Technology, 129. ISSN 1350-4495, DOI https://doi.org/10.1016/j.infrared.2023.104581.

Ahmad, Harith and Mansor, Nur Hidayah and Samion, Muhamad Zharif and Reduan, Siti Aisyah (2023) High power mode-locked erbium-ytterbium doped fiber laser using GIMF-SIMF-GIMF fiber structure as saturable absorber. Optical and Quantum Electronics, 55 (3). ISSN 0306-8919, DOI https://doi.org/10.1007/s11082-022-04457-2.

Ahmad, Harith and Makhfuz, Maryam Jasmine Mohd and Yusoff, Norazriena and Sadafi, Neshat and Samion, Muhamad Zharif and Yasin, M. (2023) Mode-locked operation in thulium-holmium doped fiber laser based on Cr2AlC MAX phase SA coated arc-shaped fiber. Optical and Quantum Electronics, 55 (3). ISSN 0306-8919, DOI https://doi.org/10.1007/s11082-022-04499-6.

Ahmad, Harith and Nizamani, Bilal and Sekar, S. and Samion, Muhamad Zharif and Yusoff, Norazriena and Venkataprasad Bhat, S. (2023) Boron carbon oxynitride coated arc-shaped fiber as an optical modulator for passively mode-locked fiber lasers at 1.5 and 2 mu m wavelength. Physica Scripta, 98 (2). ISSN 0031-8949, DOI https://doi.org/10.1088/1402-4896/acadb8.

Ahmad, Harith and Ithnahaini, M. U. M. and Samion, Muhamad Zharif and Ismail, Mohammad Faizal and Zaini, Muhammad Khairol Annuar and Reduan, Siti Aisyah (2023) High-power multi-wavelength double-clad erbium ytterbium co-doped fiber laser using two-and four-mode fiber filters. IEEE Journal of Quantum Electronics, 59 (1). ISSN 0018-9197, DOI https://doi.org/10.1109/JQE.2022.3222856.

Ee, Yen-jie and Kufian, Zieauddin and Lim, Kok Sing and Tey, Kok Soon and Ooi, Cheong-weng and Udos, Waldo and Osman, Zurina and Ahmad, Harith (2023) Highly sensitive vernier sensor based on Chirp Grating Fabry-Perot Interferometer (CG-FPI) for the strain detection in lithium polymer (LiPo) batteries. Sensors and Actuators A-Physical, 350. ISSN 0924-4247, DOI https://doi.org/10.1016/j.sna.2022.114080.

Ahmad, Harith and Salleh, M. F. and Zaini, Muhammad Khairol Annuar and Samion, Muhamad Zharif and Reduan, Siti Aisyah (2023) Performance comparison of supercontinuum generation using various tapered fiber waist diameters with a mode-locked fiber laser. Optik, 272. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2022.170414.

Ahmad, Harith and Naderi, Nima and Thambiratnam, Kavintheran and Ismail, Mohammad Faizal and Samion, Muhammad Zharif (2023) Ultrasensitive flexible ultraviolet detectors based on electrochemically deposited ZnO microspheres synthesized by the assembly of nanoplatelets. Sensors and Actuators A-Physical, 349. ISSN 0924-4247, DOI https://doi.org/10.1016/j.sna.2022.114009.

Dang, Wenjie and Li, Zeren and Dan, Jinxiao and Nan, Pengyu and Xin, Guoguo and Lim, Kok -Sing and Ahmad, Harith and Yang, Hangzhou (2023) High sensitivity fiber Bragg grating (FBG) sensor based on hollow core silica tube (HCST) sensitization for gas pressure and temperature discrimination. Optical Fiber Technology, 75. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2022.103202.

Apandi, N. H. Muhamad and Ahmad, Harith and Lokman, M. Q. and Zuikafly, S. N. F. and Yahaya, H. and Ibrahim, M. H. and Rosnan, R. M. and Ahmad, F. (2023) Observation of soliton and bound soliton in erbium-doped fiber lasers using single-walled carbon nanotubes mode-lockers under gamma irradiation. Optics and Laser Technology, 157. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2022.108775.

Ahmad, Harith and Makhfuz, Maryam Jasmine Mohd and Yusoff, Norazriena and Azam, Azim Danial and Samion, Muhamad Zharif (2023) Synthesis of 2D titanium carbide Ti2C, its characteristics, and nonlinear optical properties. Optical Materials, 135. ISSN 0925-3467, DOI https://doi.org/10.1016/j.optmat.2022.113340.

Ahmad, Harith and Naderi, Nima and Yasin, Moh (2023) Ultrafast photoresponse in ultraviolet detectors based on zinc oxide nanorods: The effect of a graphene capping layer. Journal of Materials Science: Materials in Electronics, 34 (1). ISSN 0957-4522, DOI https://doi.org/10.1007/s10854-022-09503-z.

Ahmad, Harith and Mansor, Nur Hidayah and Reduan, Siti Aisyah and Samion, Muhamad Zharif and Yusoff, Norazriena and Bayang, Leonard (2022) Passively high-power Q-switching in Er- and Er/Yb doped fiber with CdTe. Optics & Laser Technology, 156. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2022.108510.

Ahmad, Harith and Azam, Azim Danial and Samion, Muhamad Zharif and Yusoff, Norazriena and Reduan, Siti Aisyah (2022) Tunable S-band mode-locked thulium-doped fluoride fiber laser using nickel phosphorus trisulfide (NiPS3) saturable absorber. Photonics and Nanostructures - Fundamentals and Applications, 52. ISSN 1569-4410, DOI https://doi.org/10.1016/j.photonics.2022.101087.

Ahmad, Harith and Ismail, A. and Samion, Muhamad Zharif and Ismail, Mohammad Faizal (2022) Tunable mode-locked thulium doped fiber laser using manganese phosphorus triselenide (MnPSe3) in 2.0 mu m. Journal of Luminescence, 252. ISSN 0022-2313, DOI https://doi.org/10.1016/j.jlumin.2022.119348.

Gan, Soon Xin and Bin Ng, Kok and Chew, Jing Wen and Tey, Lian Seng and Chong, Wen Sin and Chong, Wu Yi and Goh, Boon Tong and Lai, Choon Kong and Madden, Steve and Choi, Duk-Yong and Ahmad, Harith (2022) Graphene oxide enhanced phase change tolerance of Ge2Sb2Se4Te1 for all-optical multilevel non-volatile photonics memory. Journal of the Optical Society of America B-Optical Physics, 39 (11). ISSN 0740-3224, DOI https://doi.org/10.1364/JOSAB.471940.

Ahmad, Harith and Azam, Azim Danial and Yusoff, Norazriena and Samion, Muhamad Zharif and Reduan, Siti Aisyah (2022) FePS3-coated arc-shaped fiber as saturable absorber for mode-locked pulsed laser generation at 2.0 mu m spectral region. Optical and Quantum Electronics, 54 (11). ISSN 0306-8919, DOI https://doi.org/10.1007/s11082-022-04096-7.

Chew, Jing Wen and Chong, Wu Yi and Yap, Yuen Kiat and Ng, Kok Bin and Gan, Soon Xin and Ahmad, Harith (2022) Saturable absorption performance of large area monolayer MoS2 coated planarized optical waveguide. Laser Physics Letters, 19 (11). ISSN 1612-2011, DOI https://doi.org/10.1088/1612-202X/ac9593.

Ng, K. B. and Chong, Wu Yi and Lim, C. S. and Ahmad, Harith (2022) Single-mode SU-8 waveguide fabricated using ultrafast direct laser writing. Optik, 270. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2022.170068.

Ahmad, Harith and Mansor, Nur Hidayah and Reduan, Siti Aisyah and Samion, Muhamad Zharif and Ithnahaini, Muhammad Umar Mustaqim and Yusoff, Norazriena (2022) High power passively mode-locked laser with Sb2Te3 deposited tapered fiber in Er/Yb doped fiber laser. Optical Fiber Technology, 73. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2022.103013.

Alias, Mohamad Ashraff and Ahmad, Harith and Samion, Muhamad Zharif and Sa'ad, Muhammad Syamil Mohd and Sing, Lim Kok and Grattan, Kenneth T. V. and Rahman, B. M. Azizur and Brambilla, Gilberto and Zaini, Muhammad Khairol Annuar and Bayang, Leonard and Ismail, Mohammad Faizal (2022) Highly sensitive temperature-independent FBG-based sensor embedded in thermoplastic polyurethane using 3D printing technology for the measurements of torsion. Sensors and Actuators A-Physical, 346. ISSN 0924-4247, DOI https://doi.org/10.1016/j.sna.2022.113889.

Ahmad, Harith and Ooi, Shok Ing and Samion, Muhamad Zharif and Reduan, Siti Aisyah (2022) Tunable mode-locked pulsed laser generation at longer 2.0 mu m region. IEEE Journal of Quantum Electronics, 58 (5). ISSN 0018-9197, DOI https://doi.org/10.1109/JQE.2022.3195256.

Tiu, Zian Cheak and Tan, Sin Jin and Samion, Muhamad Zharif and Ahmad, Harith and Harun, Sulaiman Wadi and Tan, Chee Leong (2022) Tungsten disulfide coated side-polished fibre as polarisation state modulator in all-optical system. IET Optoelectronics, 16 (5). pp. 195-200. ISSN 1751-8768, DOI https://doi.org/10.1049/ote2.12072.

Ahmad, Harith and Azam, Azim Danial and Samion, Muhamad Zharif and Reduan, Siti Aisyah and Yusoff, Norazriena and Ismail, Mohammad Faizal (2022) S-band mode-locked thulium-doped fluoride fiber laser using FePS(3) as saturable absorber. Optical Fiber Technology, 72. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2022.102985.

Ahmad, Harith and Azali, Nur Atikah and Samion, Muhamad Zharif and Reduan, Siti Aisyah and Yusoff, Norazriena (2022) Solution-processed antimonene integrated arc-shaped fiber for mode-locked pulse laser generation at 1.9 mu m spectral region. Optical Materials, 131. ISSN 0925-3467, DOI https://doi.org/10.1016/j.optmat.2022.112635.

Ahmad, Harith and Alias, Mohamad Ashraff and Ismail, Mohammad Faizal and Ismail, Nor Najwa and Zaini, Muhammad Khairol Annuar and Lim, Kok Sing and Brambilla, Gilberto and Grattan, Kenneth T. and Rahman, B. M. Azizur (2022) Strain sensor based on embedded fiber bragg grating in thermoplastic polyurethane using the 3d printing technology for improved sensitivity. Photonic Sensors, 12 (3). ISSN 1674-9251, DOI https://doi.org/10.1007/s13320-021-0646-1.

Ahmad, Harith and Makhfuz, Maryam Jasmine Mohd and Yusoff, Norazriena and Reduan, Siti Aisyah (2022) Thulium holmium-doped fiber laser mode-locked using Sb2Te3 saturable absorber coated arc-shaped fiber. Infrared Physics & Technology, 125. ISSN 1350-4495, DOI https://doi.org/10.1016/j.infrared.2022.104228.

Ahmad, Harith and Azali, Nur Atikah and Yusoff, Norazriena (2022) Layered gallium telluride for inducing mode-locked pulse laser in thulium/holmium-doped fiber. Journal of Luminescence, 248. ISSN 0022-2313, DOI https://doi.org/10.1016/j.jlumin.2022.119002.

Ahmad, Harith and Azali, Nur Atikah and Bayang, Leonard and Yusoff, Norazriena (2022) Generation of mode-locked thulium/holmium-doped fiber laser assisted by bismuthene/side polished fiber as saturable absorber. Laser Physics Letters, 19 (7). ISSN 1612-2011, DOI https://doi.org/10.1088/1612-202X/ac6804.

Ooi, Cheong-Weng and Low, May Lee and Udos, Waldo and Lim, Kok-Sing and Ahmad, Harith (2022) Novel Schiff base functionalized 80-?m tilted fiber Bragg grating chemosensor for copper(II) ion detection. Optical Fiber Technology, 71. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2022.102920.

Tiu, Z. C. and Harun, Sulaiman Wadi and Ahmad, Harith and Samion, M. Z. and Tan, S. J. (2022) Review: Dark pulse generation in fiber laser system. Optics and Laser Technology, 151. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2022.108056.

Ahmad, Harith and Sadafi, Neshat and Yusoff, Norazriena and Samion, Muhamad Zharif and Ismail, Mohammad Faizal and Chong, Wu Yi (2022) Thulium/holmium fiber laser with Ti2AlN MAX phase-coated arc-shaped fiber for mode-locked pulse generation. Journal of Nanophotonics, 16 (3). ISSN 1934-2608, DOI https://doi.org/10.1117/1.JNP.16.036006.

Ahmad, Harith and Roslan, N. A. and Zaini, M. K. A. and Samion, M. Z. (2022) Tunable multiwavelength Erbium-doped fiber laser based on in-fiber Fabry-Perot interferometer Fiber Bragg Gratings in linear and ring cavity configurations. Optik, 262. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2022.169359.

Lai, Choon Kong and Zhong, Yile and Chong, Wu Yi and Choi, Duk-Yong and Ahmad, Harith and Madden, Stephen (2022) Methodology for Fabrication-Tolerant Planar Directional Couplers. IEEE Photonics Journal, 14 (3). ISSN 1943-0655, DOI https://doi.org/10.1109/JPHOT.2022.3179649.

Tian, Qin and Xin, Guoguo and Lim, Kok-Sing and Ee, Yen-Jie and Xue, Fengfeng and He, Yudong and Zhu, Jiajie and Ahmad, Harith and Liu, Xiaochong and Yang, Hangzhou (2022) Optical fiber sensor with double tubes for accurate strain and temperature measurement under high temperature up to 1000 degrees C. IEEE Sensors Journal, 22 (12). pp. 11710-11716. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2022.3167950.

Ooi, S. and Ahmad, Harith (2022) Thermal release tape assisted mechanical exfoliation of pristine TMD and the performance of the exfoliated TMD saturable absorbers for Q-switched laser generation. Optical Materials, 128. ISSN 0925-3467, DOI https://doi.org/10.1016/j.optmat.2022.112363.

Alias, M. A. and Ismail, M. F. and Sa'ad, M. S. M. and Zaini, M. K. A. and Lim, Kok Sing and Grattan, K. T. and Brambilla, G. and Rahman, B. M. A. and Reduan, Siti Aisyah and Ahmad, Harith (2022) A Hi h-precision extensometer system for ground displacement measurement using Fiber Bragg Grating. IEEE Sensors Journal, 22 (9). pp. 8509-8521. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2022.3159850.

Ahmad, Harith and Albaqawi, Hissah Saedoon and Ramli, Rizal and Samion, Muhamad Zharif and Yusoff, Norazriena and Chong, Wu Yi (2022) Ti3C2 MXene as an optical modulator in a Thulium/Holmium-doped fiber laser. Optics and Laser Technology, 149. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2021.107802.

Tiu, Zian Cheak and Tan, Sin Jin and Yusoff, N. and Ahmad, Harith (2022) Development of polarization modulator using MXene thin film. Scientific Reports, 12 (1). ISSN 2045-2322, DOI https://doi.org/10.1038/s41598-022-10768-x.

Ahmad, Harith and Zaini, Muhammad Khairol Annuar. and Samion, Muhammad Zharif and Yusoff, Norazriena (2022) Generation of mode-locked thulium-doped fiber laser in 2.0-mu m wavelength operation by polymer-coated iron phosphorus trisulfide (FePS3)-based saturable absorber. IEEE Journal of Quantum Electronics, 58 (2). ISSN 0018-9197, DOI https://doi.org/10.1109/JQE.2022.3141388.

Tiu, Z. C. and Tan, S. J. and Samion, M. Z. and Yusoff, N. and Ahmad, Harith and Harun, Sulaiman Wadi (2022) Photon-to-photon polarization modulation using Mxene thin film as modulator. Electronics Letters, 58 (9). pp. 366-368. DOI https://doi.org/10.1049/ell2.12458.

Liu, Xin and Nan, Pengyu and Zhu, Jiajie and Li, Zeren and Dan, Jinxiao and Dang, Wenjie and Lim, Kok Sing and Udos, Waldo and Ahmad, Harith and Liu, Xiaochong and Yang, Hangzhou (2022) Ultrasensitive parallel double-FPIs sensor based on Vernier effect and Type II fiber Bragg grating for simultaneous measurement of high temperature and strain. Optics Communications, 508. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2021.127717in.

Ahmad, Harith and Kahar, Nor Hidayah Abdul and Yusoff, Norazriena and Samion, Muhamad Zharif and Reduan, Siti Aisyah and Ismail, Mohammad Faizal and Bayang, Leonard and Wang, Yu and Wang, Siyi and Sahu, Jayanta K. (2022) Passively Q-switched 1.3 mu m bismuth doped-fiber laser based on transition metal dichalcogenides saturable absorbers. Optica Fiber Technology, 69. DOI https://doi.org/10.1016/j.yofte.2022.102851.

Ahmad, Harith and Sadafi, N. and Yusoff, N. and Samion, M. Z. and Ismail, M. F. and Chong, W. Y. (2022) Arc-shaped fiber coated with Ta2AlC MAX phase as mode-locker for pulse laser generation in thulium/holmium doped fiber laser. OPTIK, 252. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2021.168508.

Ahmad, Harith and Azmy, Nur Fatini and Norisham, Nur Farahin and Reduan, Siti Aisyah and Zulkifli, Mohd Zamani (2022) Thulium-doped fluoride mode-locked fiber laser based on nonlinear polarization rotation. Optical and Quantum Electronics, 54 (2). ISSN 0306-8919, DOI https://doi.org/10.1007/s11082-021-03454-1.

Gan, SoonXin and Chong, WenSin and Lai, ChoonKong and Chong, WuYi and Madden, Stephen J. and Choi, Duk-Yong and De La Rue, Richard M. and Ahmad, Harith (2022) Polarization response of planarized optical waveguides to determine the anisotropic complex refractive index of graphene oxide thin films. Applied Optics, 61 (3). pp. 744-750. ISSN 1559-128X, DOI https://doi.org/10.1364/AO.435309.

Ahmad, Harith and Kamely, A. A. and Zaini, M. K. A. and Samion, M. Z. and Chong, W. Y. and Zamzuri, A. K. and Lim, K. S. (2022) Generation of four-wave mixing with nonlinear Vanadiumcarbide (V2C)deposited sidepolished fiber (SPF) in 1.5 and 2.0 mu m wavelength operation. Optics & Laser Technology, 145. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2021.107458.

Lai, Choon Kong and Choi, Duk-Yong and Athanasios, Nicholas J. and Yan, Kunlun and Chong, Wu Yi and Debbarma, Sukanta and Ahmad, Harith and Eggleton, Benjamin J. and Merklein, Moritz and Madden, Stephen J. (2022) Hybrid chalcogenide-germanosilicate waveguides for high performance stimulated brillouin scattering applications. Advanced Functional Materials, 32 (3, SI). ISSN 1616-301X, DOI https://doi.org/10.1002/adfm.202105230.

Ahmad, Harith and Kahar, N. H. Abdul and Norisham, N. F. and Reduan, Siti Aisyah and Bayang, Leonard (2022) L-band femtosecond fiber laser with Cu2Te-PVA thin film. Laser Physics Letters, 19 (1). ISSN 1612-2011, DOI https://doi.org/10.1088/1612-202X/ac3a0c.

Ahmad, Harith and Azali, Nur Atikah and Yusoff, Norazriena (2022) Liquid phase exfoliation of hafnium diselenide and its role in initiating the mode-locked pulse laser at eye-safe wavelength region. Optical Materials, 123. ISSN 0925-3467, DOI https://doi.org/10.1016/j.optmat.2021.111933.

Ahmad, Harith and Kamely, A. A. and Samion, M. Z. and Soo, Y. H. (2022) Ti2C MXene for multi-wavelength enhancement in S-band Q-switched thulium doped fluoride fiber laser. Optical Fiber Technology, 68. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2021.102790.

Kwong, Kok Zee and Udos, Waldo and Lim, Kok-Sing and Lee, Foo Wei and Tan, Chee Ghuan and Samion, Muhamad Zharif and Ahmad, Harith (2022) Spectral analysis for tilted fiber Bragg gratings in the corrosion detection for concrete structure. Optica Applicata, 52 (3). pp. 429-439. ISSN 1899-7015, DOI https://doi.org/10.37190/oa220309.

Zhu, Jiajie and Nan, Pengyu and Lim, Kok-Sing and Liu, Xin and Dang, Wenjie and Li, Zeren and Dan, Jinxiao and Yang, Hangting and Ahmad, Harith and Yang, Hangzhou (2021) Double F-P interference optical fiber high temperature gas pressure sensor based on suspended core fiber. IEEE Sensors Journal, 21 (23). pp. 26805-26813. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2021.3121869.

Tan, Sin Jin and Ahmad, Harith and Tiu, Zian Cheak (2021) All-fibre phase shifter based on tapered fibre coated with MoWS2-rGO. IET Optoelectronics, 15 (6). pp. 264-269. ISSN 1751-8768, DOI https://doi.org/10.1049/ote2.12042.

Ahmad, Harith and Kamaruddin, Nurul Hazierah and Aidit, Siti Nabilah and Samion, Muhamad Zharif and Zaini, Muhammad Khairol Annuar and Bayang, Leonard and Wang, Yu and Wang, Siyi and Sahu, Jayanta K. and Yasin, Moh (2021) Multi-wavelength Bismuth-doped fiber laser in 1.3 mu m based on a compact two-mode fiber filter. Optics and Laser Technology, 144. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2021.107390.

Radzi, Nurnazifah M. and Latif, Amirah Abdul and Ismail, Mohammad Faizal and Liew, Josephine Ying Chyi and Awang, Noor Azura and Lee, Han Kee and Ahmad, Fauzan and Norizan, Siti Fatimah and Ahmad, Harith (2021) Tunable spacing dual-wavelength Q-switched fiber laser based on tunable FBG device. Photonics, 8 (12). ISSN 2304-6732, DOI https://doi.org/10.3390/photonics8120524.

Ahmad, Harith and Hamsan, Hafiz and Reduan, Siti Aisyah and Norisham, Nur Farahin (2021) The effect of carboxymethylcellulose host concentration on the performance of mode-locked pulsed laser generation. Optical Materials, 122 (B). ISSN 0925-3467, DOI https://doi.org/10.1016/j.optmat.2021.111699.

Zuikafly, S. N. F. and Ahmad, Harith and Nawawi, W. M. F. Wan and Yahaya, H. and Ibrahim, M. H. and Latif, A. A. and Ahmad, F. (2021) Graphene-chitin bio-composite polymer based mode locker at 2 micron region. Optik, 245. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2021.167710.

Ahmad, Harith and Ramli, Rizal and Samion, Muhamad Zharif and Yusoff, Norazriena (2021) Mode-locked thulium/holmium co-doped fiber laser using WTe2-covered tapered fiber. Optik, 245. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2021.167723.

Ahmad, Harith and Kahar, Nor Hidayah Abdul and Yusoff, Norazriena and Reduan, Siti Aisyah (2021) Thulium-holmium doped fiber laser mode-locking with hafnium disulfide (HfS2) coated on D-shaped fiber. Optik, 246. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2021.167785.

Ahmad, Harith and Azri, M. F. M. and Ramli, R. and Samion, M. Z. and Yusoff, N. and Lim, K. S. (2021) 2 mu m passively mode-locked thulium-doped fiber lasers with Ta2AlC-deposited tapered and side-polished fibers. Scientific Reports, 11 (1). ISSN 2045-2322, DOI https://doi.org/10.1038/s41598-021-99928-z.

Ismail, N. N. and Sharbirin, A. S. and Sa'ad, M. S. M. and Zaini, Muhammad Khairol Annuar and Ismail, Mohammad Faizal and Brambilla, G. and Rahman, B. M. A. and Grattan, K. T. V. and Ahmad, Harith (2021) Novel 3D-printed biaxial tilt sensor based on fiber Bragg grating sensing approach. Sensors and Actuators A: Physical, 330. ISSN 0924-4247, DOI https://doi.org/10.1016/j.sna.2021.112864.

Ahmad, Harith and Aidit, Siti N. and Samion, Muhamad Zharif and Wang, Siyi and Wang, Yu and Sahu, Jayanta K. (2021) Tunable dual-wavelength bismuth fiber laser with 37.8-GHz frequency spacing. Journal of Lightwave Technology, 39 (20). pp. 6617-6623. ISSN 0733-8724, DOI https://doi.org/10.1109/JLT.2021.3100987.

Ahmad, Harith and Azmy, Nur Fatini and Yusoff, Norazriena and Reduan, Siti Aisyah and Aidit, Siti Nabila and Bayang, Leonard and Samion, Muhamad Zharif (2021) MoTe2-PVA as saturable absorber for passively Q-switched thulium-doped fluoride and erbium-doped fiber laser. Optik, 243. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2021.167157.

Gan, S. X. and Lai, C. K. and Chong, W. Y. and Choi, D. Y. and Madden, S. and Ahmad, Harith (2021) Optical phase transition of using low absorption wavelength in the 1550 nm window. Optical Materials, 120. ISSN 0925-3467, DOI https://doi.org/10.1016/j.optmat.2021.111450.

Ismail, N. N. and Sa'ad, Muhammad Syamil Mohd and Ismail, Mohammad Faizal and Zaini, Muhammad Khairol AnnuarM. K. A. and Lim, Kheng Seang and Grattan, K. T. V. and Brambilla, G. and Rahman, B. M. A. and Mohamad, H. and Ahmad, Harith (2021) Biaxial 3D-printed inclinometer based on Fiber Bragg Grating technology. IEEE Sensors Journal, 21 (17). pp. 18815-18822. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2021.3090105.

Ahmad, Harith and Ramli, Rizal and Reduan, Siti Aisyah and Ismail, Mohammad Faizal and Yasin, Moh (2021) Mode-locked thulium/holmium-doped fiber laser with vanadium carbide deposited on tapered fiber. Optical Fiber Technology, 65. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2021.102589.

Ahmad, Harith and Ooi, Shok Ing and Tiu, Zian Cheak and Ismail, Mohd Faizal and Zulkfili, M. Z. and Yasin, Mohamad and Thambiratnam, Kavintheran (2021) Passively Q-switched thulium fluoride fiber laser operating in S-band region using N-doped graphene saturable absorber. Indian Journal of Physics, 95 (9). pp. 1837-1842. ISSN 0973-1458, DOI https://doi.org/10.1007/s12648-020-01815-2.

Ee, Yen-Jie and Tey, Kok Soon and Lim, Kok Sing and Shrivastava, Prashant and Syed Adnan, Syed Bahari Ramadzan and Ahmad, Harith (2021) Lithium-Ion battery State of Charge (SoC) estimation with non-electrical parameter using uniform Fiber Bragg Grating (FBG). Journal of Energy Storage, 40. ISSN 2352-152X, DOI https://doi.org/10.1016/j.est.2021.102704.

Ahmad, Harith and Ramli, R. and Ismail, N. N. and Aidit, Siti Nabila and Yusoff, Norazriena and Samion, Muhamad Zharif (2021) Passively mode locked thulium and thulium/holmium doped fiber lasers using MXene Nb2C coated microfiber. Scientific Reports, 11 (1). ISSN 2045-2322, DOI https://doi.org/10.1038/s41598-021-90978-x.

Ahmad, Harith and Azri, M. F. M. and Aidit, Siti Nabila and Yusoff, Norazriena and Zamzuri, A. K. and Samion, Muhamad Zharif and Wang, S. and Wang, Y. and Sahu, J. K. (2021) 1.3 mu m passively Q-switched bismuth doped fiber laser using Nb2C saturable absorber. Optical Materials, 116. ISSN 0925-3467, DOI https://doi.org/10.1016/j.optmat.2021.111087.

Ahmad, Harith and Yusoff, Norazriena and Albaqawi, Hissah Saedoon and Reduan, Siti Aisyah and Thambiratnam, Kavintheran (2021) Niobium carbide (Nb2C) MXene as a saturable absorber to assist in the generation of a wavelength tunable passively Q-switched fiber laser. Laser Physics Letters, 18 (6). ISSN 1612-2011, DOI https://doi.org/10.1088/1612-202X/abf83c.

Ahmad, Harith and Zaini, Muhammad Khairol Annuar and Kamely, A. A. and Samion, Muhamad Zharif and Ismail, Mohammad Faizal and Lim, Kheng Seang and Zamzuri, A. K. and Thambiratnam, Kavintheran (2021) Generation of four-wave mixing in molybdenum ditelluride (MoTe2)-deposited side-polished fibre. Journal of Modern Optics, 68 (8). pp. 425-432. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2021.1908636.

Rashid, Haroon and Sapiee, Nurfarhana Mohamad and Arsad, Norhana and Ahmad, Harith and Bakar, Ahmad Ashrif A. and Reaz, Mamun Ibne (2021) Fabrication of a carbon nanotube/tungsten disulfide visible spectrum photodetector. Applied Optics, 60 (10). pp. 2839-2845. ISSN 1559-128X, DOI https://doi.org/10.1364/AO.417230.

Tiu, Zian Cheak and Haris, Hazlihan and Ahmad, Harith and Tan, Sin Jin (2021) All fiber temperature sensor based light polarization measurement utilizing graphene coated tapered fiber. Microwave and Optical Technology Letters, 63 (4). pp. 1314-1318. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.32730.

Ahmad, Harith and Azmy, Nur Fatini and Reduan, Siti Aisyah and Yusoff, Norazriena and Kadir, Zamzuri Abdul (2021) Cu2Te-PVA as saturable absorber for generating Q-switched erbium-doped fiber laser. Optical and Quantum Electronics, 53 (4). ISSN 0306-8919, DOI https://doi.org/10.1007/s11082-021-02815-0.

Ahmad, Harith and Aidit, Siti Nabila and Ooi, S. and Samion, Muhamad Zharif and Wang, S. and Wang, Y. and Sahu, J. K. and Zamzuri, A. K. (2021) 1.3 mu m dissipative soliton resonance generation in Bismuth doped fiber laser. Scientific Reports, 11 (1). ISSN 2045-2322, DOI https://doi.org/10.1038/s41598-021-85423-y.

Ahmad, Harith and Hanafi, Ahmad Izzat Mohd and Ramli, Rizal and Reduan, Siti Aisyah and Yusoff, Norazriena (2021) Passively mode-locked thulium-holmium co-doped fiber laser using hybrid side polished fiber with MoWS2-rGO nanocomposite. Optical Fiber Technology, 62. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2021.102468.

Udos, Waldo and Ooi, Cheong-Weng and Tan, Soon-Hao and Lim, Kok-Sing and Ee, Yen Jie and Ong, Kien Chai and Ahmad, Harith (2021) Label-free surface-plasmon resonance fiber grating biosensor for Hand-foot-mouth disease (EV-A71) detection. Optik, 228. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2020.166221.

Abd Raziff, Hani Hareiza and Tan, Daryl and Tan, Soon Hao and Wong, Yin How and Lim, Kok Sing and Yeong, Chai Hong and Sulaiman, Norshazriman and Abdullah, Basri Johan Jeet and Wali, Haryanti Azura Mohamad and Zailan, Nur Azmina Mohd and Ahmad, Harith (2021) Laser-heated needle for biopsy tract ablation: In vivo study of rabbit liver biopsy. Physica Medica-European Journal of Medical Physics, 82. pp. 40-45. ISSN 1120-1797, DOI https://doi.org/10.1016/j.ejmp.2021.01.067.

Ahmad, Harith and Sharbirin, A. S. and Ariannejad, M. M. (2021) Double-side polished fiber for generation of mode-locked fiber lasers. Optics Communications, 479. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2020.126476.

Rusdi, Muhammad Farid Mohd and Jafry, Afiq Arif Aminuddin and Latiff, Anas Abdul and Rosol, Ahmad Haziq Aiman and Ab Rahman, Mohd Fauzi and Kasim, Nabilah and Abdul Khudus, Muhammad Imran Mustafa Abdul and Ahmad, Harith and Harun, Sulaiman Wadi (2021) Generation of Q-switched fiber laser at 1.0-, 1.55-and 2.0-mu m employing a spent coffee ground based saturable absorber. Optical Fiber Technology, 61. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2020.102434.

Tan, Daryl and Lim, Kok-Sing and Wong, Yin-How and Abd Raziff, Hani Hareiza and Tan, Soon-Hao and Sulaiman, Norshazriman and Abdullah, Basri Johan Jeet and Ahmad, Harith and Yeong, Chai-Hong (2021) Multivariate regression between hounsfield unit shift, tissue temperature, and tissue contraction: A feasibility study of computed tomography thermometry. IEEE Transactions on Instrumentation and Measurement, 70. ISSN 0018-9456, DOI https://doi.org/10.1109/TIM.2021.3075019.

Ooi, Cheong-Weng and Lim, Kok-Sing and Udos, Waldo and Ee, Yen-Jie and Ismail, Muhammad Nur Syafiq Mohamad and Zakaria, Rozalina and Yang, Hangzhou and Ahmad, Harith (2021) Signal demodulation for surface plasmon resonance tilted fiber Bragg grating based on root sum squared method. IEEE Transactions on Instrumentation and Measurement, 70. ISSN 0018-9456, DOI https://doi.org/10.1109/TIM.2021.3125104.

Yap, Yuen Kiat and Ahmad, Fauzan and Chong, Wu Yi and Ahmad, Harith (2021) Simple fabrication of paper-like graphene oxide for use as saturable absorber in q-switching of fiber laser. Journal of Applied Science and Engineering, 24 (4). pp. 509-516. ISSN 2708-9967, DOI https://doi.org/10.6180/jase.202108_24(4).0007.

Yap, Yuen-Kiat and Ahmad, Fauzan and Chong, Wu-Yi and Ahmad, Harith (2021) Simple fabrication of paper-like graphene oxide for use as saturable absorber in q-switching of fiber laser. Journal of Applied Science and Engineering, 24 (4). pp. 509-516. ISSN 2708-9967, DOI https://doi.org/10.6180/jase.202108_24(4).0007.

Luo, Dong and Li, Yuanyuan and Lu, Tian and Lim, Kok-Sing and Ahmad, Harith (2021) Tapered polymer optical fiber sensors for monitoring the steel bar corrosion. IEEE Transactions on Instrumentation and Measurement, 70. ISSN 0018-9456, DOI https://doi.org/10.1109/TIM.2021.3097405.

Lim, Kok-Sing and Zaini, Muhammad Khairol Annuar and Ong, Zhi-Chao and Abas, Fairul Zahri Mohamad and Salim, Muhammad Aizi Bin Mat and Ahmad, Harith (2021) Vibration mode analysis for a suspension bridge by using low-frequency cantilever-based FBG accelerometer array. IEEE Transactions on Instrumentation and Measurement, 70. ISSN 0018-9456, DOI https://doi.org/10.1109/TIM.2020.3018578.

Mohd Yusof, M. K. and Jamaluddin, M.N.H. and Muhammad, Farah Diana and Lim, Kok Sing and Ahmad, Harith and Zulkifli, Mohd Zamani (2021) An investigation on temperature sensitivity of conductive carbon coated fiber Bragg grating. Results in Optics, 5. ISSN 2666-9501, DOI https://doi.org/10.1016/j.rio.2021.100164.

Ahmad, Harith and Aidit, Siti Nabila and Yusoff, Norazriena and Ismail, Nor Najwa and Ismail, Mohammad Faizal and Zamzuri, A. K. and Thambiratnam, Kavintheran (2020) All-fiberized, mode-locked laser at 1.95 mu m using copper chalcogenide Cu2Te-based evanescent field interaction. Optics Communications, 476. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2020.126329.

Ahmad, Harith and Ahmed, Mahmoud H. M. and Yusoff, Norazriena and Ramli, Rizal and Samion, Muhamad Zharif (2020) All fiber normal dispersion mode locked ytterbium doped double-clad fiber laser using fiber taper with WS2-ZnO saturable absorber. Optics and Laser Technology, 130. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2020.106350.

Tian, Qin and Xin, Guoguo and Lim, Kok Sing and He, Yudong and Liu, Ji and Ahmad, Harith and Liu, Xiaochong and Yang, Hang Zhou (2020) Cascaded Fabry-Perot interferometer-regenerated fiber Bragg grating structure for temperature-strain measurement under extreme temperature conditions. Optics Express, 28 (21). pp. 30478-30488. ISSN 1094-4087, DOI https://doi.org/10.1364/OE.403716.

Abd Raziff, Hani Hareiza and Tan, Daryl and Lim, Kok-Sing and Yeong, Chai Hong and Wong, Yin How and Abdullah, Basri Johan Jeet and Sulaiman, Norshazriman and Ahmad, Harith (2020) A temperature-controlled laser hot needle with grating sensor for liver tissue tract ablation. IEEE Transactions on Instrumentation and Measurement, 69 (9). pp. 7119-7124. ISSN 0018-9456, DOI https://doi.org/10.1109/TIM.2020.2978920.

Ahmad, Harith and Ramli, Rosli and Yusoff, Norhasliza and Samion, Muhamad Zharif and Ismail, M. F. and Bayang, L. and Aidit, Siti Nabila and Zamzuri, A. K. and Thambiratnam, K. (2020) 155 nm-wideband and tunable q-switched fiber laser using an MXene Ti(3)C(2)T(X)coated microfiber based saturable absorber. Laser Physics Letters, 17 (8). ISSN 1612-2011, DOI https://doi.org/10.1088/1612-202X/aba0bd.

Ahmad, Harith and Tajdidzadeh, Mojgan and Ismail, Mohammad Faizal and Thandavan, Tamil Many K. (2020) Fast response infrared photodetector based on reduced graphene oxide. Optoelectronics and Advanced Materials-Rapid Communications, 14 (3-4). pp. 105-112. ISSN 1842-6573,

Ahmad, Harith and Azmy, Nur F. and Azmi, Atiqah N. and Zulkifli, Mohd Z. and Ismail, Mohammad Faizal (2020) Configurable triple wavelength semiconductor optical amplifier fiber laser using multiple broadband mirrors. Microwave and Optical Technology Letters, 62 (1). pp. 46-52. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.31999.

Ahmad, Harith and Albaqawi, Hissah Saedoon and Yusoff, Norazriena and Chong, Wu Yi (2020) 56 nm Wide-Band Tunable Q-Switched Erbium Doped Fiber Laser with Tungsten Ditelluride (WTe2) Saturable Absorber. Scientific Reports, 10 (1). ISSN 2045-2322, DOI https://doi.org/10.1038/s41598-020-66664-9.

Ahmad, Harith and Ahmed, Mahmoud Hazzaa M. and Samion, Muhamad Zharif and Harun, Sulaiman Wadi (2020) All fiber multiwavelength Tm-doped double-clad fiber laser assisted by four-wave mixing in highly nonlinear fiber and Sagnac loop mirror. Optics Communications, 456. p. 124589. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2019.124589.

Siddiq, Nur Abdillah and Chong, Wu Yi and Pramono, Yono Hadi and Muntini, Melania Suweni and Asnawi, Asnawi and Ahmad, Harith (2020) All-Optical Humidity Sensor Using SnO2 Nanoparticle Drop Coated on Straight Channel Optical Waveguide. Photonic Sensors, 10 (2). pp. 123-133. ISSN 1674-9251, DOI https://doi.org/10.1007/s13320-019-0563-8.

Ahmad, Harith and Kamely, A.A. and Yusoff, Norazriena and Bayang, Leonard and Samion, Muhamad Zharif (2020) Generation of Q-switched Pulses in Thulium-doped and Thulium/Holmium-co-doped Fiber Lasers using MAX phase (Ti3AlC2). Scientific Reports, 10 (1). p. 9233. ISSN 2045-2322, DOI https://doi.org/10.1038/s41598-020-66141-3.

Zamzuri, Abdul Kadir and Ariannejad, Mohammad Mahdi and Samion, Muhamad Zharif and Tan, Chee Leong and Ismail, Mohammad Faizal and Bayang, Leonard and Ahmad, Harith (2020) Narrow bandwidth optimization using a polymer microring resonator in a thulium–holmium fiber laser cavity. Optics Communications, 466. p. 125574. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2020.125574.

Sharbirin, Anir Syazwan and Ahmad, Harith and Ismail, Mohammad Faizal (2020) Q-switched Thulium-doped fiber laser at 1860 nm and 1930 nm using a Holmium-doped fiber as an amplified spontaneous emission filter. Optics & Laser Technology, 123. p. 105908. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2019.105908.

Radzi, N.M. and Latif, Amirah Abdul and Ismail, Mohammad Faizal and Liew, Josephine Ying Chyi and Wang, E. and Lee, H.K. and Tamcheck, N. and Awang, Noor Azura and Ahmad, Fauzan and Halimah, Mohamed Kamari and Ahmad, Harith (2020) Q-switched fiber laser based on CdS quantum dots as a saturable absorber. Results in Physics, 16. p. 103123. ISSN 2211-3797, DOI https://doi.org/10.1016/j.rinp.2020.103123.

Ahmad, Harith and Albaqawi, Hissah Saedoon and Yusoff, Norazriena and Reduan, Siti Aisyah and Chong, Wu Yi (2020) Reduced Graphene Oxide-Silver Nanoparticles for Optical Pulse Generation in Ytterbium- and Erbium-Doped Fiber Lasers. Scientific Reports, 10 (1). p. 9408. ISSN 2045-2322, DOI https://doi.org/10.1038/s41598-020-66253-w.

Udos, Waldo and Lee, Yen Sian and Lim, Kok Sing and Ong, Zhi Chao and Zaini, Muhammad Khairol Annuar and Ahmad, Harith (2020) Signal enhancement of FBG-based cantilever accelerometer by resonance suppression using magnetic damper. Sensors and Actuators A: Physical, 304. p. 111895. ISSN 0924-4247, DOI https://doi.org/10.1016/j.sna.2020.111895.

Zaini, Muhammad Khairol Annuar and Lee, Yen Sian and Lim, Kok Sing and Nazal, Nurul Asha Mohd and Yang, Hang Zhou and Ahmad, Harith (2020) Thermal characterization of phase difference among the LP modes in two-mode fibers based on numerical approach. Optik, 207. p. 164289. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2020.164289.

Ahmad, Harith and Sharbirin, Anir Syazwan and Ismail, Mohammad Faizal (2019) 1.8 µm passively Q-switched thulium-doped fiber laser. Optics & Laser Technology, 120. p. 105757. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2019.105757.

Ahmad, Harith and Ooi, Shok Ing and Tiu, Zian Cheak (2019) 100 GHz free spectral range-tunable multi-wavelength fiber laser using single–multi–single mode fiber interferometer. Applied Physics B, 125 (6). p. 99. ISSN 0946-2171, DOI https://doi.org/10.1007/s00340-019-7209-9.

Tong, Rongxin and Yang, Hangzhou and Lu, Kai and Lee, Yen Sian and Lim, Kok Sing and Ahmad, Harith and Hu, Manli (2019) 13 μm fiber grating in a thin-core fiber for LP01–LP11 mode converters and sensing ability. Applied Optics, 58 (16). pp. 4358-4364. ISSN 1559-128X, DOI https://doi.org/10.1364/AO.58.004358.

Ahmad, Harith and Rashid, Haroon (2019) 405 nm ultraviolet photodetector based on tungsten disulphide thin film grown by drop casting method. Journal of Modern Optics, 66 (18). pp. 1836-1840. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2019.1682207.

Ahmad, Harith and Aidit, Siti Nabila and Thambiratnam, Kavintheran (2019) 85 nm wide-band tunable erbium doped fiber laser using a gallium selenide (GaSe)-based saturable absorber for passive optical modulation. Laser Physics Letters, 16 (9). 095101. ISSN 1612-2011, DOI https://doi.org/10.1088/1612-202X/ab2f32.

Ahmad, Harith and Lim, Hwee San and MatJafri, Mohd Zubir and Ge, Yan Qi and Zhang, Han and Tiu, Zian Cheak (2019) All-fiber optical polarization modulation system using MoS2 as modulator. Infrared Physics & Technology, 102. p. 103002. ISSN 1350-4495, DOI https://doi.org/10.1016/j.infrared.2019.103002.

Ahmad, Harith and Aidit, Siti Nabila and Tiu, Zian Cheak and Ooi, Shok Ing (2019) Application of MoWS2-rGO/PVA thin film as all-fiber pulse and amplitude modulators in the O-band region. Optical Fiber Technology, 48. pp. 1-6. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2018.12.011.

Tan, Chee Leong and Wei, Heming and Thandavan, Tamil Many K. and Ramli, Rizal and Park, Minsu and Ahmad, Harith (2019) Broadband high responsivity large-area plasmonic-enhanced multilayer MoS2 on p-type silicon photodetector using Au nanostructures. Materials Research Express, 6 (10). p. 105090. ISSN 2053-1591, DOI https://doi.org/10.1088/2053-1591/ab3d67.

Siddiq, Nur Abdillah and Chong, Wu Yi and Pramono, Yono Hadi and Muntini, Melania Suweni and Ahmad, Harith (2019) C-band tunable performance of passively Q-switched erbium-doped fiber laser using Tin(IV) oxide as a saturable absorber. Optics Communications, 442. pp. 1-7. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2019.02.068.

Ahmad, Harith and Zainudin, F.M. and Azmi, Atiqah Nabieha and Thambiratnam, Kavintheran and Ismail, Mohammad Faizal and Aminah, Nanik Siti and Zulkifli, Mohd Zamani (2019) Compact L-band switchable dual wavelength SOA based on linear cavity fiber laser. Optik, 182. pp. 37-41. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2019.01.003.

Ahmad, Harith and Zulkifli, Ahmad Zarif and Tiu, Zian Cheak and Thambiratnam, Kavintheran and Yasin, Moh (2019) Depressed cladding erbium-doped fiber laser passively mode-locked with carbon nanotube saturable absorber. Laser Physics Letters, 16 (4). 045102. ISSN 1612-2011, DOI https://doi.org/10.1088/1612-202X/ab0a70.

Zaini, Muhammad Khairol Annuar and Lee, Yen Sian and Lim, Kok Sing and Ali, Muhammad Mahmood and Nazal, Nurul Asha Mohd and Ahmad, Harith (2019) Digital Matched Filtering (DMF) Technique for the Performance Enhancement of Few-Mode Fiber Bragg Grating Sensor. IEEE Sensors Journal, 19 (14). pp. 5653-5659. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2019.2907143.

Ahmad, Harith and Karim, Mohammad Rezaul and Rahman, B.M. Azizur (2019) Dispersion-engineered silicon nitride waveguides for mid-infrared supercontinuum generation covering the wavelength range 0.8–6.5 μm. Laser Physics, 29 (2). 025301. ISSN 1054-660X, DOI https://doi.org/10.1088/1555-6611/aaf63d.

Ahmad, Harith and Aidit, Siti Nabila and Tiu, Zian Cheak (2019) Dissipative soliton resonance in a passively mode-locked praseodymium fiber laser. Optics & Laser Technology, 112. pp. 20-25. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2018.10.056.

Ahmad, Harith and Thandavan, Tamil Many K. and Thambiratnam, Kavintheran (2019) Dual characteristics of molybdenum disulfide based PN heterojunction photodetector prepared via drop-cast technique. Optik, 188. pp. 8-11. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2019.05.033.

Vorathin, E. and Hafizi, Z.M. and Ismail, Nurazima and Loman, M. and Aizzuddin, A.M. and Lim, Kok Sing and Ahmad, Harith (2019) FBG Water-Level Transducer Based on PVC-Cantilever and Rubber-Diaphragm Structure. IEEE Sensors Journal, 19 (17). pp. 7407-7414. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2019.2916469.

Ahmad, Harith and Rashid, Haroon and Ismail, Mohammad Faizal and Thambiratnam, Kavintheran (2019) Fabrication and characterization of tungsten disulphide/silicon heterojunction photodetector for near infrared illumination. Optik, 185. pp. 819-826. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2019.03.132.

Ahmad, Harith and Ahmed, Mahmoud Hazzaa M. and Samion, Muhamad Zharif and Kamely, A.A. and Ismail, Mohammad Faizal and Harun, Sulaiman Wadi and Thambiratnam, Kavintheran (2019) Generation of sub-nanosecond pulse in dual-wavelength praseodymium fluoride fibre laser. Laser Physics, 29 (10). p. 105101. ISSN 1054-660X, DOI https://doi.org/10.1088/1555-6611/ab3bcd.

Thandavan, Tamil Many K. and Pujiyanto, - and Ahmad, Harith (2019) High performance graphene-like thinly layered graphite based visible light photodetector. Optical and Quantum Electronics, 51 (12). p. 386. ISSN 0306-8919, DOI https://doi.org/10.1007/s11082-019-2097-0.

Tian, Qin and Yang, Hang Zhou and Rong, Qiang Zhou and Feng, Zhong Yao and Wang, Ruo Hui and Zaini, Muhammad Khairol Annuar and Lim, Kok Sing and Ahmad, Harith and Zhang, Pan and Ding, Xiang Zi and Lu, Kai and He, Yu Dong (2019) Highly sensitive micro-hygrometer based on microfiber knot resonator. Optics Communications, 431. pp. 88-92. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2018.08.062.

Kakaie, Zahra and Sharbirin, Anir Syazwan and Mahdiraji, Ghafour Amouzad and Adikan, Faisal Rafiq Mahamd and Ismail, Mohammad Faizal and Ahmad, Harith (2019) Improvement of 2-μm Thulium-Doped Fiber Lasers via ASE Suppression Using All-Solid Low-Pass Photonic Bandgap Fibers. Journal of Lightwave Technology, 37 (22). pp. 5686-5691. ISSN 0733-8724, DOI https://doi.org/10.1109/JLT.2019.2930014.

Zaini, Muhammad Khairol Annuar and Lee, Yen Sian and Ismail, Nurazima and Lim, Kok Sing and Udos, Waldo and Zohari, Mohd Hafizi and Yang, Hang Zhou and Ahmad, Harith (2019) In-fiber Fabry Perot interferometer with narrow interference fringes for enhanced sensitivity in elastic wave detection. Optical Fiber Technology, 53. p. 102021. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2019.102021.

Mohd Nazal, Nurul Asha and Lim, Kok Sing and Lee, Yen Sian and Mat Salim, Muhammad Aizi and Ahmad, Harith (2019) Influence of Internal Stresses in Few-Mode Fiber on the Thermal Characteristics of Regenerated Gratings. Photonic Sensors, 9 (2). pp. 162-169. ISSN 1674-9251, DOI https://doi.org/10.1007/s13320-018-0527-4.

Ahmad, Harith and Thandavan, Tamil Many K. (2019) Influence of boron nitride nanoparticles in the electrical and photoconduction characteristics of planar boron nitride-graphene oxide composite layer. Materials Express, 9 (3). pp. 265-272. ISSN 2158-5849, DOI https://doi.org/10.1166/mex.2019.1494.

Ahmad, Harith and Rashid, Haroon and Ismail, Mohammad Faizal (2019) Investigation of structural and optoelectronic properties of n-MoS2/p-Si sandwiched heterojunction photodetector. Optik, 198. p. 163237. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2019.163237.

Ahmad, Aminah and Cheng, Xiau San and Paul, Mukul Chandra and Dhar, Anirban and Das, Shyamal and Ahmad, Harith and Harun, Sulaiman Wadi (2019) Investigation of the Brillouin effect in highly nonlinear hafnium bismuth erbium doped fiber. Microwave and Optical Technology Letters, 61 (1). pp. 173-177. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.31522.

Ahmad, Harith and Monajemi, Hadieh and Thambiratnam, Kavintheran and Ismail, Mohammad Faizal (2019) Mode-locked near-infrared thulium doped fibre laser using evanescent field effect with Bi2O3 saturable absorber. Laser Physics, 29 (5). 055104. ISSN 1054-660X, DOI https://doi.org/10.1088/1555-6611/ab0d10.

Ahmad, Harith and Reduan, Siti Aisyah and Yusoff, Norazriena and Ismail, Mohammad Faizal and Aidit, Siti Nabila (2019) Mode-locked pulse generation in erbium-doped fiber laser by evanescent field interaction with reduced graphene oxide-titanium dioxide nanohybrid. Optics & Laser Technology, 118. pp. 93-101. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2019.05.015.

Ahmad, Harith and Samion, Muhamad Zharif and Kamely, A.A. and Ismail, Mohammad Faizal (2019) Mode-locked thulium doped fiber laser with zinc oxide saturable absorber for 2 μm operation. Infrared Physics & Technology, 97. pp. 142-148. ISSN 1350-4495, DOI https://doi.org/10.1016/j.infrared.2018.12.037.

Ahmad, Harith and Aidit, Siti Nabila and Ooi, Shok Ing and Tiu, Zian Cheak (2019) Mode-locked thulium-fluoride fibre laser with an adjustable pulse width using a nonlinear optical loop mirror. Quantum Electronics, 49 (2). pp. 111-114. ISSN 1063-7818, DOI https://doi.org/10.1070/QEL16770.

Ahmad, Harith and Soltani, Soroush and Thambiratnam, Kavintheran and Yasin, Moh and Tiu, Zian Cheak (2019) Mode-locking in Er-doped fiber laser with reduced graphene oxide on a side-polished fiber as saturable absorber. Optical Fiber Technology, 50. pp. 177-182. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2019.03.023.

Ahmad, Harith and Sharbirin, Anir Syazwan and Ismail, Mohammad Faizal (2019) Molybdenum tungsten disulphide (MoWS2) as a saturable absorber for a passively Q-switched thulium/holmium-codoped fibre laser. Journal of Modern Optics, 66 (11). pp. 1163-1171. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2019.1609612.

Ahmad, Harith and Ahmed, Mahmoud Hazzaa Mohammed (2019) Multiwavelength operation in praseodymium fiber laser using polarization maintaining fiber and nonlinear polarization rotation in ring cavity. Optical Engineering, 58 (04). 046107. ISSN 0091-3286, DOI https://doi.org/10.1117/1.OE.58.4.046107.

Ahmad, Harith and Monajemi, Hadieh and Samion, Muhamad Zharif and Yusoff, Norazriena and Ismail, Mohammad Faizal and Yasin, Mohamad and Bayang, Leonard (2019) Near-Infrared Soliton Mode-Locked Thulium Doped Fibre Laser Using WS2-ZnO Composite Material as Saturable Absorber. IEEE Photonics Journal, 11 (5). pp. 1-10. ISSN 1943-0655, DOI https://doi.org/10.1109/JPHOT.2019.2941286.

Dutta, Debjit and Paul, Mukul Chandra and Dhar, Anirban and Das, Shyamal and Rusdi, Muhammad Farid Mohd and Latiff, Anas Abdul and Ahmad, Harith and Harun, Sulaiman Wadi (2019) Newly developed chromium-doped fiber as a saturable absorber at 1.55- and 2.0-µm regions for Q-switching pulses generation. Optical Fiber Technology, 48. pp. 144-150. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2019.01.010.

Ahmad, Harith and Yusoff, Norazriena and Monajemi, Hadieh and Reduan, Siti Aisyah (2019) Nickel phosphate as a C-band optical pulse modulator. Applied Physics B, 125 (7). p. 132. ISSN 0946-2171, DOI https://doi.org/10.1007/s00340-019-7245-5.

Ahmad, Harith and Ismail, Mohammad Faizal and Aidit, Siti Nabila (2019) Optically Modulated Tunable O-Band Praseodymium-Doped Fluoride Fiber Laser Utilizing Multi-Walled Carbon Nanotube Saturable Absorber*. Chinese Physics Letters, 36 (10). p. 104202. ISSN 0256-307X, DOI https://doi.org/10.1088/0256-307X/36/10/104202.

Noor, S.F.S.M. and Zulkipli, Nur Farhanah and Ahmad, Harith and Harun, Sulaiman Wadi (2019) Passively Q-switched fiber laser tunable by Sagnac interferometer operation. Optik, 179. pp. 1-7. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2018.10.190.

Berahim, Nawi and Amiri, Iraj Sadegh and Anwar, Toni and Azzuhri, Saaidal Razalli and Mohd Nasir, Mohd Narizee and Zakaria, Rozalina and Chong, Wu Yi and Lai, Choon Kong and Lee, Say Hoe and Ahmad, Harith and Ismail, Mohd Afiq and Yupapin, Preecha Promphan (2019) Polarizing effect of MoSe2-coated optical waveguides. Results in Physics, 12. pp. 7-11. ISSN 2211-3797, DOI https://doi.org/10.1016/j.rinp.2018.11.034.

Ahmad, Muhammad Taufiq and Muhammad, Ahmad Razif and Haris, Hazlihan and Rahim, Hazli Rafis Abdul and Zakaria, Rozalina and Ahmad, Harith and Harun, Sulaiman Wadi (2019) Q-switched Ytterbium doped fibre laser using gold nanoparticles saturable absorber fabricated by electron beam deposition. Optik, 182. pp. 241-248. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2019.01.010.

Rusdi, Muhammad Farid Mohd and Rosol, Ahmad Haziq Aiman and Rahman, Mohd Fauzi Ab and Mahyuddin, Mohamad Badrol Hisyam and Latiff, Anas Abdul and Ahmad, Harith and Harun, Sulaiman Wadi and Yasin, Moh (2019) Q-switched and mode-locked thulium doped fiber lasers with nickel oxide film saturable absorber. Optics Communications, 447. pp. 6-12. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2019.04.083.

Ahmad, Muhammad Taufiq and Rusdi, Muhammad Farid Mohd and Jafry, A.A.A. and Latiff, Anas Abdul and Zakaria, Rozalina and Zainuddin, Nur Aina'a Mardhiah and Arof, Hamzah and Ahmad, Harith and Harun, Sulaiman Wadi (2019) Q-switched erbium-doped fiber laser using silver nanoparticles deposited onto side-polished D-shaped fiber by electron beam deposition method. Optical Fiber Technology, 53. p. 101997. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2019.101997.

Ahmad, Harith and Soltani, Soroush and Thambiratnam, Kavintheran (2019) Q-switched erbium-doped fiber laser with molybdenum disulfide (MoS2) nanoparticles on D-shaped fiber as saturable absorber. Journal of Nonlinear Optical Physics & Materials, 28 (03). p. 1950026. ISSN 0218-8635, DOI https://doi.org/10.1142/S0218863519500267.

Yang, Hang Zhou and Paul, Mukul Chandra and Das, Shyamal and Dhar, Anirban and Qiao, Xue Guang and Nazal, Nurul Asha Mohd and Lim, Kok Sing and Ahmad, Harith (2019) Regenerated grating produced in a multimaterial glass-based photosensitive fiber with an ultrahigh thermal regeneration ratio. Optics Express, 27 (4). pp. 4329-4337. ISSN 1094-4087, DOI https://doi.org/10.1364/OE.27.004329.

Ahmad, Aminah and Cheng, Xiau San and Paul, Mukul Chandran and Dhar, Anirban and Das, Shyamal and Ahmad, Harith and Harun, Sulaiman Wadi (2019) Self‐generating Brillouin fiber laser using highly nonlinear hafnium bismuth erbium‐doped fiber. Microwave and Optical Technology Letters, 61 (6). pp. 1651-1655. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.31756.

Ahmad, Harith and Ramli, Rizal and Monajemi, Hadieh and Reduan, Siti Aisyah and Yusoff, Norazriena and Ismail, Mohammad Faizal (2019) Soliton mode-locking in thulium-doped fibre laser by evanescent field interaction with reduced graphene oxide-titanium dioxide saturable absorber. Laser Physics Letters, 16 (7). 075102. ISSN 1612-2011, DOI https://doi.org/10.1088/1612-202X/ab258b.

Ahmad, Harith and Thandavan, Tamil Many K. and Ismail, Mohammad Faizal (2019) Surface plasmonic effect of nanoparticle-like silver nanostructure on the high responsivity of visible/infrared silver-based heterojunction photodetector. Journal of Modern Optics, 66 (12). pp. 1329-1338. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2019.1617443.

Ahmad, Harith and Reduan, Siti Aisyah and Aidit, Siti Nabila and Yusoff, Norazriena M. and Maah, Mohd Jamil and Ismail, Mohammad Faizal and Tiu, Zian Cheak (2019) Ternary MoWSe2 alloy saturable absorber for passively Q-switched Yb-, Er- and Tm-doped fiber laser. Optics Communications, 437. pp. 355-362. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2019.01.009.

Ahmad, Harith and Reduan, Siti Aisyah and Ruslan, Nur E'zzati and Lee, Cherrie Sue Jing and Zulkifli, Mohd Zamani and Thambiratnam, Kavintheran (2019) Tunable Q-switched erbium-doped fiber laser in the C-band region using nanoparticles (TiO2). Optics Communications, 435. pp. 283-288. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2018.11.035.

Ahmad, Harith and Ooi, Shok Ing and Yusoff, Norazriena and Lim, Hwee San and MatJafri, Mohd Zubir and Thambiratnam, Kavintheran and Tiu, Zian Cheak (2019) Tungsten disulfide-chitosan film as optical pulse and amplitude modulator in C-band region. Laser Physics, 29 (10). p. 105102. ISSN 1054-660X, DOI https://doi.org/10.1088/1555-6611/ab3bcc.

Ahmad, Harith and Rashid, Haroon and Ismail, Mohammad Faizal and Thambiratnam, Kavintheran (2019) Tungsten-disulphide-based heterojunction photodetector. Applied Optics, 58 (15). pp. 4014-4019. ISSN 1559-128X, DOI https://doi.org/10.1364/AO.58.004014.

Ahmad, Harith and Thandavan, Tamil Many K. (2019) Ultraviolet photoconduction in tungsten disulphide based Schottky heterostructure photodetector. Optical Materials, 92. pp. 255-261. ISSN 0925-3467, DOI https://doi.org/10.1016/j.optmat.2019.04.048.

Ahmad, Harith and Al-Alimi, A.W. (2019) Wide-band multiwavelength Brillouin–Raman fiber laser based on feedback optimization. Optics Communications, 453. p. 124402. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2019.124402.

Ahmad, Harith and Samion, Muhamad Zharif and Thambiratnam, Kavintheran and Yasin, Moh (2019) Widely Tunable Dual-Wavelength Thulium-doped fiber laser Operating in 1.8-2.0 mm Region. Optik, 179. pp. 76-81. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2018.10.111.

Ahmad, Harith and Kamely, A.A. and Samion, Muhamad Zharif (2019) A compact linear-cavity multi-wavelength Brillouin/thulium fiber laser in S/S+-band. Optical Fiber Technology, 51. pp. 25-30. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2019.04.010.

Al-Azzawi, Alabbas A. and Almukhtar, Aya A. and Reddy, P.H. and Das, Shyamal and Dhar, Anirban and Paul, Mukul Chandra and Arof, Hamzah and Ahmad, Harith and Harun, Sulaiman Wadi (2019) An efficient wideband hafnia-bismuth erbium co-doped fiber amplifier with flat-gain over 80 nm wavelength span. Optical Fiber Technology, 48. pp. 186-193. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2019.01.012.

Jaafar, Nurul Syahirah Aziz and Lim, Kok Sing and Zaini, Muhammad Khairol Annuar and Ahmad, Harith and Sepeai, Suhaila and Tan, Guan Hee and Tan, Geok Chin and Zainuddin, Zulkifli Md. (2019) The surgical ablation on soft tissues using Ho:YAG laser with deviated beam fiber. Optical Fiber Technology, 52. p. 101937. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2019.101937.

Muhammad, Farah Diana and Zulkifli, Mohd Zamani and Ahmad, Harith (2018) 1500-nm Q-switched fibre laser with carbon nanotubes. Quantum Electronics, 48 (10). pp. 941-944. ISSN 1063-7818, DOI https://doi.org/10.1070/QEL16769.

Ahmad, Harith and Samion, Muhamad Zharif and Sharbirin, Anir Syazwan and Ismail, Mohammad Faizal and Zulkifli, Mohd Zamani and Thambiratnam, Kavintheran (2018) 70 nm, broadly tunable passively Q-switched thulium-doped fiber laser with few-layer Mo0.8W0.2S2 saturable absorber. Optical Fiber Technology, 46. pp. 230-237. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2018.10.018.

Ahmad, Harith and Zulkifli, Ahmad Zarif and Tiu, Zian Cheak (2018) Acrylate polymer coated side-polished fiber with graphene oxide nanoparticles for ultrafast fiber laser operation. Laser Physics, 28 (11). p. 115101. ISSN 1054-660X, DOI https://doi.org/10.1088/1555-6611/aad93b.

Ahmad, Harith and Aidit, Siti Nabila and Ooi, Shok Ing and Tiu, Zian Cheak (2018) All-fiber, wavelength-tunable ultrafast praseodymium fiber laser. Chinese Optics Letters, 16 (12). p. 121405. ISSN 1671-7694, DOI https://doi.org/10.3788/COL201816.121405.

Azzuhri, Saaidal Razalli and Amiri, Iraj Sadegh and Zulkhairi, Aiman Syahirah and Salim, Muhammad Aizi Mat and Razak, Mohd Zulhakimi Ab and Khyasudeen, Muhammad Farris and Ahmad, Harith and Zakaria, Rozalina and Yupapin, Preecha Promphan (2018) Application of graphene oxide based Microfiber-Knot resonator for relative humidity sensing. Results in Physics, 9. pp. 1572-1577. ISSN 2211-3797, DOI https://doi.org/10.1016/j.rinp.2018.05.009.

Ahmad, Harith and Aidit, Siti Nabila and Yusoff, Norazriena (2018) Bismuth oxide nanoflakes for passive Q-switching in a C-band erbium doped fiber laser. Infrared Physics & Technology, 95. pp. 19-26. ISSN 1350-4495, DOI https://doi.org/10.1016/j.infrared.2018.10.003.

Zaini, Muhammad Khairol Annuar and Lai, Man Hong and Islam, Md. Rajibul and Lim, Kok Sing and Ahmad, Harith (2018) Cancellation of birefringence in DBR laser through principal axis offset by a rotation of 90°. Indian Journal of Physics, 92 (8). pp. 1045-1048. ISSN 0973-1458, DOI https://doi.org/10.1007/s12648-018-1189-1.

Ahmad, Harith and Soltani, Soroush and Ismail, Mohammad Faizal and Thambiratnam, Kavintheran and Chong, Wu Yi and Yasin, Moh (2018) Characterization of light-control-light system using graphene oxide coated optical waveguide. Laser Physics, 28 (7). 076001. ISSN 1054-660X, DOI https://doi.org/10.1088/1555-6611/aabd25.

Ahmad, Harith and Reduan, Siti Aisyah and Yusoff, Norazriena (2018) Chitosan capped nickel oxide nanoparticles as a saturable absorber in a tunable passively Q-switched erbium doped fiber laser. RSC Advances, 8 (45). pp. 25592-25601. ISSN 2046-2069, DOI https://doi.org/10.1039/c8ra04380a.

Al-Azzawi, Alabbas A. and Almukhtar, Aya A. and Reddy, Pinninty Harshavardhan and Dutta, Debjit and Das, Shyamal and Dhar, Anirban and Paul, Mukul Chandra and Zakaria, U.N. and Ahmad, Harith and Harun, Sulaiman Wadi (2018) Compact and flat-gain fiber optical amplifier with Hafnia-Bismuth-Erbium co-doped fiber. Optik, 170. pp. 56-60. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2018.05.104.

Nazal, Nurul Asha Mohd and Lai, Man Hong and Lim, Kok Sing and Gunawardena, Dinusha Serandi and Chong, Wu Yi and Yang, Hang Zhou and Ahmad, Harith (2018) Demarcation energy properties of regenerated fiber Bragg grating sensors in few-mode fibers. Optica Applicata, 48 (2). pp. 263-271. ISSN 0078-5466, DOI https://doi.org/10.5277/oa180209.

Karim, Mohammad Rezaul and Ahmad, Harith and Rahman, B.M. Azizur (2018) Design and modeling of dispersion-engineered all-chalcogenide triangular-core fiber for mid-infrared-region supercontinuum generation. Journal of the Optical Society of America B, 35 (2). pp. 266-275. ISSN 0740-3224, DOI https://doi.org/10.1364/JOSAB.35.000266.

Karim, Mohammad Rezaul and Ahmad, Harith and Ghosh, Souvik and Rahman, B.M. Azizur (2018) Design of dispersion-engineered As 2 Se 3 channel waveguide for mid-infrared region supercontinuum generation. Journal of Applied Physics, 123 (21). p. 213101. ISSN 0021-8979, DOI https://doi.org/10.1063/1.5033494.

Yusoff, Siti Fatimah Az Zahra and Mezher, M.H. and Amiri, Iraj Sadegh and Ayyanar, Natesan and Vigneswaran, Dhasarathan and Ahmad, Harith and Zakaria, Rozalina (2018) Detection of moisture content in transformer oil using platinum coated on D-shaped optical fiber. Optical Fiber Technology, 45. pp. 115-121. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2018.07.011.

Ahmad, Nurul Atiqah and Dahlan, Samsul Haimi and Cholan, Noran Azizan and Ahmad, Harith and Amiri, Iraj Sadegh and Tiu, Zian Cheak (2018) Dual-Wavelength Thulium Fluoride Fiber Laser Based on SMF-TMSIF-SMF Interferometer as Potential Source for Microwave Generation in 100-GHz Region. IEEE Journal of Quantum Electronics, 54 (2). pp. 1-7. ISSN 0018-9197, DOI https://doi.org/10.1109/JQE.2018.2812922.

Jaddoa, M.F. and Odah, Jafer Fahdel and Ahmad, Harith and Amiri, Iraj Sadegh and Tiu, Zian Cheak (2018) Dual-wavelength Q-switched pulse generation using D-fibre and MoS2 saturable absorber. Ukrainian Journal of Physical Optics, 19 (1). pp. 27-32. ISSN 1609-1833, DOI https://doi.org/10.3116/16091833/19/1/27/2018.

Ahmad, Harith and Thandavan, Tamil Many K. (2018) Effect of iron impurity in liquid phase exfoliated tungsten disulfide based ultraviolet heterojunction photodetector. Materials Express, 8 (5). pp. 457-462. ISSN 2158-5849, DOI https://doi.org/10.1166/mex.2018.1450.

Lu, Kai and Yang, Hangzhou and Lim, Kok Sing and Ahmad, Harith and Zhang, Pan and Tian, Qin and Ding, Xiangzi and Qiao, Xueguang (2018) Effect of two annealing processes on the thermal regeneration of fiber Bragg gratings in hydrogenated standard optical fibers. Applied Optics, 57 (24). pp. 6971-6975. ISSN 1559-128X, DOI https://doi.org/10.1364/AO.57.006971.

Zaini, Muhammad Khairol Annuar and Lee, Yen Sian and Lim, Kok Sing and Nazal, Nurul Asha Mohd and Yang, Hang Zhou and Ahmad, Harith (2018) Enhanced Optical Delay Line in Few-Mode Fiber Based on Mode Conversion Using Few-Mode Fiber Bragg Gratings. IEEE Journal of Quantum Electronics, 54 (5). pp. 1-7. ISSN 0018-9197, DOI https://doi.org/10.1109/JQE.2018.2865357.

Ahmad, Harith and Thandavan, Tamil Many K. (2018) Enhancement of broadband ultraviolet visible photodetection by boron nitride nanoparticles in bulk graphene oxide layer. Optical Materials, 86. pp. 18-23. ISSN 0925-3467, DOI https://doi.org/10.1016/j.optmat.2018.09.033.

Ahmad, Harith and Noor, S.F.S.M. and Arusin, A.F. and Samsudin, S.A. and Thambiratnam, Kavintheran and Chong, Wu Yi and Lim, Kok Sing and Zulkifli, Mohd Zamani (2018) Enhancing Temperature Sensitivity Using Cyclic Polybutylene Terephthalate- (c-PBT-) Coated Fiber Bragg Grating. Journal of Sensors, 2018. pp. 1-6. ISSN 1687-725X, DOI https://doi.org/10.1155/2018/3790326.

Ahmad, Harith and Karim, Mohammad Rezaul and Ghosh, Souvik and Rahman, B.M. Azizur (2018) Generation of an ultrabroadband supercontinuum in the mid-infrared region using dispersion-engineered GeAsSe photonic crystal fiber. Optical and Quantum Electronics, 50 (11). p. 405. ISSN 0306-8919, DOI https://doi.org/10.1007/s11082-018-1674-y.

Safaei, R. and Amiri, Iraj Sadegh and Sorger, Volker J. and Azzuhri, Saaidal Razalli and Rezaei, Mojtaba and Ahmad, Harith and Yupapin, Preecha Promphan (2018) Generation of four-wave mixing with highly sharp idlers using 2 mm home-made side-polished fiber deposited by ZnO nanorod. Laser Physics, 28 (7). 076205. ISSN 1054-660X, DOI https://doi.org/10.1088/1555-6611/aaba62.

Ahmad, Harith and Samion, Muhamad Zharif and Sharbirin, Anir Syazwan and Norizan, Siti Fatimah and Aidit, Siti Nabila and Ismail, Mohammad Faizal (2018) Graphene-PVA saturable absorber for generation of a wavelength-tunable passively Q-switched thulium-doped fiber laser in 2.0 µm. Laser Physics, 28 (5). 055105. ISSN 1054-660X, DOI https://doi.org/10.1088/1555-6611/aab2cc.

Ahmad, Harith and Tajdidzadeh, Mojgan and Thandavan, Tamil Many K. (2018) Heterojunction photodetector based on graphene oxide sandwiched between ITO and p-Si. Journal of Modern Optics, 65 (3). pp. 353-360. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2017.1397224.

Ahmad, Harith and Thandavan, Tamil Many K. (2018) High responsivity, self-powered carbon–zinc oxide hybrid thin film based photodetector. Applied Nanoscience, 8 (7). pp. 1755-1765. ISSN 2190-5509, DOI https://doi.org/10.1007/s13204-018-0842-5.

Ahmad, Harith and Soltani, Soroush and Thambiratnam, Kavintheran and Yasin, Moh (2018) Highly stable mode-locked fiber laser with graphene oxide-coated side-polished D-shaped fiber saturable absorber. Optical Engineering, 57 (5). 056110. ISSN 0091-3286, DOI https://doi.org/10.1117/1.OE.57.5.056110.

Ahmad, Harith and Tajdidzadeh, Mojgan and Thambiratnam, Kavintheran and Yasin, Moh (2018) Hydrothermally synthesized zinc oxide nanoparticle based photodetector for blue spectrum detection. Optik, 172. pp. 35-42. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2018.07.002.

Ahmad, Harith and Zulkifli, Ahmad Zarif and Yasin, Moh and Ismail, Mohammad Faizal and Thambiratnam, Kavintheran (2018) In2Se3 saturable absorber for generating tunable Q-switched outputs from a bismuth–erbium doped fiber laser. Laser Physics Letters, 15 (11). p. 115105. ISSN 1612-2011, DOI https://doi.org/10.1088/1612-202X/aae13b.

Ahmad, Harith and Tajdidzadeh, Mojgan and Thambiratnam, Kavintheran and Yasin, Moh (2018) Infrared photodetectors based on reduced graphene oxide nanoparticles and graphene oxide. Laser Physics, 28 (6). 066204. ISSN 1054-660X, DOI https://doi.org/10.1088/1555-6611/aab451.

Ding, Xiang Zi and Yang, Hang Zhou and Qiao, Xueguang and Zhang, Pan and Tian, Oin and Rong, Qiangzhou and Nazal, Nurul Asha Mohd and Lim, Kok Sing and Ahmad, Harith (2018) Mach–Zehnder interferometric magnetic field sensor based on a photonic crystal fiber and magnetic fluid. Applied Optics, 57 (9). pp. 2050-2056. ISSN 1559-128X, DOI https://doi.org/10.1364/AO.57.002050.

Ahmad, Harith and Reduan, Siti Aisyah and Ooi, Shok Ing and Ismail, Mohd Afiq (2018) Mechanically exfoliated In2Se3 as a saturable absorber for mode-locking a thulium-doped fluoride fiber laser operating in S-band. Applied Optics, 57 (24). p. 6937. ISSN 1559-128X, DOI https://doi.org/10.1364/AO.57.006937.

Karim, Mohammad Rezaul and Ahmad, Harith and Ghosh, Souvik and Rahman, B.M. Azizur (2018) Mid-infrared supercontinuum generation using As2Se3 photonic crystal fiber and the impact of higher-order dispersion parameters on its supercontinuum bandwidth. Optical Fiber Technology, 45. pp. 255-266. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2018.07.024.

Ahmad, Harith and Aidit, Siti Nabila and Mohanraj, J. and Sivabalan, S. and Thambiratnam, Kavintheran and Ooi, Shok Ing and Tiu, Zian Cheak (2018) Mixed Transition Metal Dichalcogenide as Saturable Absorber in Ytterbium, Praseodymium, and Erbium Fiber Laser. IEEE Journal of Quantum Electronics, 54 (3). pp. 1-9. ISSN 0018-9197, DOI https://doi.org/10.1109/JQE.2018.2822181.

Lee, Yen Sian and Lim, Kok Sing and Zaini, Muhammad Khairol Annuar and Ahmad, Harith (2018) Mode Splitting Based on Polarization Manipulation in Few-Mode Fiber. IEEE Journal of Quantum Electronics, 54 (4). pp. 1-6. ISSN 0018-9197, DOI https://doi.org/10.1109/JQE.2018.2833960.

Ahmad, Harith and Karim, Mohammad Rezaul and Rahman, B.M. Azizur (2018) Modeling of dispersion engineered chalcogenide rib waveguide for ultraflat mid-infrared supercontinuum generation in all-normal dispersion regime. Applied Physics B, 124 (3). p. 47. ISSN 0946-2171, DOI https://doi.org/10.1007/s00340-018-6914-0.

Latiff, Anas Abdul and Cheng, Xiau San and Rusdi, Muhammad Farid Mohd and Paul, Mukul Chandra and Harun, Sulaiman Wadi and Ahmad, Harith (2018) Molybdenum disulfide saturable absorber for eye-safe mode-locked fiber laser generation. Journal of Nonlinear Optical Physics & Materials, 27 (01). p. 1850010. ISSN 0218-8635, DOI https://doi.org/10.1142/S0218863518500108.

Ahmad, Harith and Aidit, Siti Nabila and Tiu, Zian Cheak (2018) Multi-wavelength Praseodymium fiber laser using stimulated Brillouin scattering. Optics & Laser Technology, 99. pp. 52-59. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2017.09.044.

Amiri, Iraj Sadegh and Hassan, Nor Ahya and Ahmad, Harith (2018) Multiple supercontinuum generation based on a single mode-locked seed fiber laser. Microwave and Optical Technology Letters, 60 (4). pp. 845-849. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.31064.

Ahmad, Harith and Reduan, Siti Aisyah and Yusoff, Norazriena (2018) Nickel oxide nanoparticles grafted with Chitosan as saturable absorber for tunable passively Q-switched fiber laser in S+/S band. Infrared Physics & Technology, 93. pp. 96-102. ISSN 1350-4495, DOI https://doi.org/10.1016/j.infrared.2018.07.019.

Ahmad, Harith and Tiu, Zian Cheak and Ooi, Shok Ing (2018) Passive Q-switching in an erbium-doped fiber laser using tungsten sulphoselenide as a saturable absorber. Chinese Optics Letters, 16 (2). 020009. ISSN 1671-7694, DOI https://doi.org/10.3788/COL201816.020009.

Ahmad, Harith and Soltani, Soroush and Thambiratnam, Kavintheran and Yasin, Moh and Ismail, Mohammad Faizal and Tiu, Zian Cheak (2018) Passive mode-locking in erbium-doped fibre laser based on BN-GO saturable absorber. Journal of Modern Optics, 65 (21). pp. 2339-2349. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2018.1508774.

Ahmad, Harith and Reduan, Siti Aisyah (2018) Passively Q-switched S-band thulium fluoride fiberlaser with multi-walled carbon nanotube. Chinese Optics Letters, 16 (1). 010609. ISSN 1671-7694, DOI https://doi.org/10.3788/COL201816.010609.

Ahmad, Harith and Tajdidzadeh, Mojgan and Reduan, Siti Aisyah (2018) Passively Q-switched erbium-doped fiber laser using coated reduced graphene oxide on arc-shaped single mode optical fiber as a saturable absorber. Laser Physics, 28 (8). 085101. ISSN 1054-660X, DOI https://doi.org/10.1088/1555-6611/aac1af.

Tan, Daryl and Lim, Kok Sing and Zaini, Muhammad Khairol Annuar and Yeong, Chai Hong and Wong, Yin How and Yang, Hang Zhou and Ahmad, Harith (2018) Phase derivative thermo-spatiogram for distributed temperature sensing based on chirped grating-Michelson Interferometer. Sensors and Actuators A: Physical, 278. pp. 43-47. ISSN 0924-4247, DOI https://doi.org/10.1016/j.sna.2018.05.029.

Ahmad, Harith and Thandavan, Tamil Many K. (2018) Planar hybrid carbon-decorated zinc oxide nanowires for infrared photodetection. Journal of Nanoparticle Research, 20 (4). p. 96. ISSN 1388-0764, DOI https://doi.org/10.1007/s11051-018-4191-9.

Ahmad, Harith and Faruki, Md Jahid and Jasim, Ali Abdulhadi and Ooi, Shok Ing and Thambiratnam, Kavintheran (2018) Poly (N-vinyl Carbazole) – Polypyrrole/graphene oxide nanocomposite material on tapered fiber for Q-switched pulse generation. Optics & Laser Technology, 99. pp. 184-190. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2017.09.001.

Rusdi, Muhammad Farid Mohd and Mahyuddin, Mohamad Badrol Hisyam and Latiff, Anas Abdul and Ahmad, Harith and Harun, Sulaiman Wadi (2018) Q-Switched Erbium-Doped Fiber Laser Using Cadmium Selenide Coated onto Side-Polished D-Shape Fiber as Saturable Absorber. Chinese Physics Letters, 35 (10). p. 104201. ISSN 0256-307X, DOI https://doi.org/10.1088/0256-307X/35/10/104201.

Ahmad, Harith and Ooi, Shok Ing and Tiu, Zian Cheak and Rahman, B.M. Azizur (2018) Q-switched laser generation using MoWS2-rGO in Erbium-doped fiber laser cavity. Optics Communications, 426. pp. 1-8. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2018.05.002.

Ahmad, Harith and Reduan, Siti Aisyah and Sharbirin, Anir Syazwan and Ismail, Mohammad Faizal and Zulkifli, Mohd Zamani (2018) Q-switched thulium/holmium fiber laser with gallium selenide. Optik, 175. pp. 87-92. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2018.08.107.

Ahmad, Harith and Reduan, Siti Aisyah (2018) S+/S band passively Q-switched thulium-fluoride fiber laser based on using gallium selenide saturable absorber. Optics & Laser Technology, 107. pp. 116-121. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2018.05.028.

Ahmad, Harith and Thambiratnan, K. and Faruki, Md Jahid and Azzuhri, Saaidal Razalli (2018) Single longitudinal mode laser generation using coupled microfiber Mach–Zehnder interferometer filter. Laser Physics, 28 (8). 085102. ISSN 1054-660X, DOI https://doi.org/10.1088/1555-6611/aac1ae.

Ahmad, Harith and Samion, Muhamad Zharif and Yusoff, Norazriena (2018) Soliton mode-locked thulium-doped fiber laser with cobalt oxide saturable absorber. Optical Fiber Technology, 45. pp. 122-127. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2018.07.012.

Ahmad, Harith and Reduan, Siti Aisyah (2018) Spooling diameter dependent Q-switched output in depressed cladding erbium doped laser with MoWS2 saturable absorber. Optics & Laser Technology, 108. pp. 170-176. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2018.06.060.

Yusoff, Siti Fatimah Az Zahra and Lim, Chin Seong and Azzuhri, Saaidal Razalli and Ahmad, Harith and Zakaria, Rozalina (2018) Studies of Ag/TiO2 plasmonics structures integrated in side polished optical fiber used as humidity sensor. Results in Physics, 10. pp. 308-316. ISSN 2211-3797, DOI https://doi.org/10.1016/j.rinp.2018.06.008.

Ahmad, Harith and Aidit, Siti Nabila and Ooi, Shok Ing and Tiu, Zian Cheak (2018) Supercontinuum Micrometer-Displacement Sensor Using Single-Multi-Air-Gap-Single Mode Fiber as Sensing Probe. IEEE Sensors Journal, 18 (20). pp. 8275-8279. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2018.2864642.

Ahmad, Nurul Atiqah and Dahlan, Samsul Haimi and Cholan, Noran Azizan and Ahmad, Harith and Tiu, Zian Cheak (2018) Switchable 10, 20, and 30 GHz region photonics-based microwave generation using thulium-doped fluoride fiber laser. Journal of the Optical Society of America B, 35 (7). pp. 1603-1608. ISSN 0740-3224, DOI https://doi.org/10.1364/JOSAB.35.001603.

Ahmad, Harith and Zulkhairi, Aiman Syahirah and Azzuhri, Saaidal Razalli (2018) Temperature sensor and fiber laser based on optical microfiber knot resonator. Optik, 154. pp. 294-302. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2017.10.032.

Zhang, Pan and Yang, Hangzhou and Lim, Kok Sing and Ahmad, Harith and Rong, Qiangzhou and Tian, Qin and Ding, Xiangzi (2018) Temperature-independent hygrometry using micromachined photonic crystal fiber. Applied Optics, 57 (15). p. 4237. ISSN 1559-128X, DOI https://doi.org/10.1364/AO.57.004237.

Siddiq, Nur Abdillah and Chong, Wu Yi and Yap, Yuen Kiat and Pramono, Yono Hadi and Ahmad, Harith (2018) Tin(IV) oxide nanoparticles as a saturable absorber for a Q-switched erbium-doped fiber laser. Laser Physics, 28 (12). p. 125104. ISSN 1054-660X, DOI https://doi.org/10.1088/1555-6611/aae037.

Ahmad, Harith and Reduan, Siti Aisyah (2018) Tunable Q-switched thulium-doped fiber laser (TDFL) in 2.0 µm region based on gallium selenide saturable absorber. Optics & Laser Technology, 105. pp. 10-14. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2018.02.031.

Ahmad, Harith and Reduan, Siti Aisyah and Ismail, Mohammad Faizal and Thambiratnam, Kavintheran (2018) Tunable mode-locked soliton fibre laser based on single-walled carbon nanotubes. Quantum Electronics, 48 (10). pp. 930-935. ISSN 1063-7818, DOI https://doi.org/10.1070/QEL16287.

Ahmad, Harith and Aidit, Siti Nabila and Ooi, Shok Ing and Tiu, Zian Cheak (2018) Tunable passively Q-switched erbium-doped fiber laser with Chitosan/MoS2 saturable absorber. Optics & Laser Technology, 103. pp. 199-205. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2018.01.032.

Ahmad, Harith and Aidit, Siti Nabila and Ooi, Shok Ing and Tiu, Zian Cheak (2018) Tunable passively Q-switched ytterbium-doped fiber laser with mechanically exfoliated GaSe saturable absorber. Chinese Optics Letters, 16 (2). 020014. ISSN 1671-7694, DOI https://doi.org/10.3788/COL201816.020014.

Sharbirin, Anir Syazwan and Samion, Muhamad Zharif and Ismail, Mohammad Faizal and Ahmad, Harith (2018) Ultrafast mode-locked dual-wavelength thulium-doped fiber laser using a Mach-Zehnder interferometric filter. Opto-Electronics Review, 26 (4). pp. 312-316. ISSN 1230-3402, DOI https://doi.org/10.1016/j.opelre.2018.10.008.

Amiri, Iraj Sadegh and Ariannejad, Mohammad Mahdi and Ghasemi, Masih and Ismail, Mohammad Faizal and Azzuhri, Saaidal Razalli and Nayan, Nafarizal and Ahmad, Harith (2018) Visible Wireless Communications Using Solitonic Carriers Generated by Microring Resonators (MRRs). Iranian Journal of Science and Technology, Transactions A: Science, 42 (3). pp. 1595-1601. ISSN 1028-6276, DOI https://doi.org/10.1007/s40995-016-0063-2.

Ahmad, Harith and Aidit, Siti Nabila and Ooi, Shok Ing and Tiu, Zian Cheak (2018) Wide-band, passively Q-switched Yb- and Tm-doped fibre laser using WSSe saturable absorber. Journal of Modern Optics, 65 (17). pp. 2044-2050. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2018.1489080.

Ariannejad, Mohammad Mahdi and Amiri, Iraj Sadegh and Ahmad, Harith and Yupapin, Preecha Promphan (2018) A large free spectral range of 74.92 GHz in comb peaks generated by SU-8 polymer micro-ring resonators: simulation and experiment. Laser Physics, 28 (11). p. 115002. ISSN 1054-660X, DOI https://doi.org/10.1088/1555-6611/aadd25.

Jaafar, Nurul Syahirah Aziz and Sepeai, Suhaila and Lim, Kok Sing and Zaini, Muhammad Khairol Annuar and Ahmad, Harith and Tan, Guan Hee (2018) A novel waveguide design that produces an elongated laser beam output for soft tissue ablation. Optik, 164. pp. 561-566. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2018.03.080.

Zhang, J. and Qiao, X.G. and Yang, H.Z. and Wang, R. and Rong, Q. and Lim, Kok Sing and Ahmad, Harith (2017) All-fiber magnetic field sensor based on tapered thin-core fiber and magnetic fluid. Applied Optics, 56 (2). pp. 200-204. ISSN 0003-6935, DOI https://doi.org/10.1364/AO.56.000200.

Amiri, I.S. and Ariannejad, M.M. and Ismail, Mohammad Faizal and Ahmad, Harith (2017) Analysis of semiconductor InGaAsP/InP coupled microring resonators (CMRR) by time-domain travelling wave (TDTW) method. Journal of Optics, 46 (3). pp. 311-319. ISSN 0972-8821, DOI https://doi.org/10.1007/s12596-016-0353-2.

Zaini, M.K.A. and Lee, Y.S. and Lim, Kok Sing and Nazal, N.A.M. and Zohari, M.H. and Ahmad, Harith (2017) Axial stress profiling for few-mode fiber Bragg grating based on resonant wavelength shifts during etching process. Journal of the Optical Society of America B, 34 (9). pp. 1894-1898. ISSN 0740-3224, DOI https://doi.org/10.1364/JOSAB.34.001894.

Liu, H. and Yang, H.Z. and Qiao, X.G. and Wang, Y. and Liu, X.C. and Lee, Y.S. and Lim, Kok Sing and Ahmad, Harith (2017) Curvature and Temperature Measurement Based on a Few-Mode PCF Formed M-Z-I and an Embedded FBG. Sensors, 17 (8). p. 1725. ISSN 1424-8220, DOI https://doi.org/10.3390/s17081725.

Zulkifli, Ahmad Zarif and Abdul Kadir, N.A. and Ismail, E.I. and Yasin, M. and Jusoh, Z. and Ahmad, Harith and Harun, Sulaiman Wadi (2017) Dual-wavelength fiber laser with a bent single-mode multimode single-mode fiber structure. Journal of Optoelectronics and Advanced Materials, 19 (3-4). pp. 127-131. ISSN 1454-4164,

Zakaria, Rozalina and Kam, W. and Ong, Y.S. and Yusoff, S.F.A.Z. and Ahmad, Harith and Mohammed, W.S. (2017) Fabrication and simulation studies on D-shaped optical fiber sensor via surface plasmon resonance. Journal of Modern Optics, 64 (14). pp. 1443-1449. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2017.1293858.

Ahmad, Harith and Amiri, I.S. and Soltanian, M.R.K. and Narimani, L. and Zakaria, Rozalina and Ismail, Mohammad Faizal and Thambiratnam, K. (2017) High sensitivity surface plasmon resonance (SPR) refractive index sensor in 1.5 μm. Materials Express, 7 (2). pp. 145-150. ISSN 2158-5849, DOI https://doi.org/10.1166/mex.2017.1353.

Zakaria, Rozalina and Yusoff, S.F.A.Z. and Law, K.C. and Lim, C.S. and Ahmad, Harith (2017) Investigation on the Effects of the Formation of a Silver “Flower-Like Structure” on Graphene. Nanoscale Research Letters, 12 (1). pp. 1-9. ISSN 1931-7573, DOI DOI: 10.1186/s11671-016-1793-y .

Ahmad, Harith and Hassan, H. and Safaei, R. and Thambiratnam, K. and Ismail, M.F. and Amiri, I.S. (2017) Molybdenum disulfide side-polished fiber saturable absorber Q-switched fiber laser. Optics Communications, 400. pp. 55-60. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2017.04.071.

Ahmad, Harith and Sakeh, S.N.A. and Muda, Z. and Zulkifli, M.Z. and Harun, Sulaiman Wadi (2017) Multiwavelength Brillouin fibre laser in two-mode fiber. Journal of Modern Optics, 64 (17). pp. 1744-1750. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2017.1314027.

Irawati, Ninik and Isa, Naimah Mat and Mohamed, Auji Fatin and Rahman, Husna Abdul and Harun, Sulaiman Wadi and Ahmad, Harith (2017) Optical Microfiber Sensing of Adulterated Honey. IEEE Sensors Journal, 17 (17). pp. 5510-5514. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2017.2725910.

Irawati, Ninik and Abdullah, Tengku Normalini Raja and Rahman, Husna Abdul and Ahmad, Harith and Harun, Sulaiman Wadi (2017) PMMA microfiber loop resonator for humidity sensor. Sensors and Actuators A: Physical, 260. pp. 112-116. ISSN 0924-4247, DOI https://doi.org/10.1016/j.sna.2017.04.041.

Irawati, Ninik and Yusuf, Nur Atiqah M. and Rahman, Husna Abdul and Yasin, Moh and Ahmad, Harith and Harun, Sulaiman Wadi (2017) Potassium permanganate (KMnO_4) sensing based on microfiber sensors. Applied Optics, 56 (2). p. 224. ISSN 0003-6935, DOI https://doi.org/10.1364/AO.56.000224.

Ahmad, Harith and Hassan, Nor Ahya and Aidit, Siti Nabila and Ooi, Shok Ing and Harun, Sulaiman Wadi and Tiu, Zian Cheak (2017) Q-switching pulse generation using black phosphorus tape saturable absorber. Optoelectronics and Advanced Materials-Rapid Communications, 11 (1-2). pp. 1-6. ISSN 1842-6573,

Harith, Zuraidah and Batumalay, Malathy and Irawati, Ninik and Harun, Sulaiman Wadi and Arof, Hamzah and Ahmad, Harith (2017) Relative humidity sensor employing tapered plastic optical fiber coated with seeded Al-doped ZnO. Optik, 144. pp. 257-262. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2017.06.123.

Ahmad, Harith and Ismail, Mohd Afiq and Sathiyan, Samikannu and Reduan, Siti Aisyah and Ruslan, Nur E'zzati and Lee, Cherrie Sue Jing and Zulkifli, Mohd Zamani and Thambiratnam, Kavintheran and Ismail, Mohammad Faizal and Harun, Sulaiman Wadi (2017) S-band Q-switched fiber laser using MoSe 2 saturable absorber. Optics Communications, 382. pp. 93-98. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2016.07.010.

Zhang, P. and Yang, H.Z. and Wang, Y. and Liu, H. and Lim, Kok Sing and Gunawardena, D.S. and Ahmad, Harith (2017) Strain measurement at temperatures up to 800°C using regenerated gratings produced in the highGe-doped and B/Ge co-doped fibers. Applied Optics, 56 (22). pp. 6073-6078. ISSN 1559-128X, DOI https://doi.org/10.1364/AO.56.006073.

Zulkhairi, A.S. and Azzuhri, Saaidal Razalli and Shaharuddin, R.A. and Jaddoa, M.F. and Salim, M.A.M. and Jasim, A.A. and Ahmad, Harith (2017) Switchable multiwavelength ytterbium-doped fiber laser using a non-adiabatic microfiber interferometer. Laser Physics, 27 (5). 055104. ISSN 1054-660X, DOI https://doi.org/10.1088/1555-6611/aa6587.

Irawati, Ninik and Harun, Sulaiman Wadi and Rahman, Husna Abdul and Chong, Su Sin and Hamizi, Nur Aliya and Ahmad, Harith (2017) Temperature sensing using CdSe quantum dot doped poly(methyl methacrylate) microfiber. Applied Optics, 56 (16). pp. 4675-4679. ISSN 0003-6935, DOI https://doi.org/10.1364/AO.56.004675.

Kadir, N.A.A. and Ismail, Ezzatul Irradah and Latiff, Anas Abdul and Ahmad, Harith and Arof, Hamzah and Harun, Sulaiman Wadi (2017) Transition Metal Dichalcogenides (WS2 and MoS2) Saturable Absorbers for Mode-Locked Erbium-Doped Fiber Lasers. Chinese Physics Letters, 34 (1). 014202. ISSN 0256-307X, DOI https://doi.org/10.1088/0256-307X/34/1/014202.

Amiri, I.S. and Ariannejad, M.M. and Ghasemi, M. and Ahmad, Harith (2017) Transmission performances of solitons in optical wired link. Applied Computing and Informatics, 13 (1). pp. 92-99. ISSN 2210-8327, DOI https://doi.org/10.1016/j.aci.2016.06.001.

Chew, S.P. and Zulkifli, Ahmad Zarif and Masnan, S.E.F. and Akib, Shatirah Mohamed and Harun, Sulaiman Wadi and Adikan, Faisal Rafiq Mahamd and Ahmad, Harith (2017) Water wave gauge based on singlemode-multimode-singlemode fiber structure. Optik, 144. pp. 232-239. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2017.06.099.

Jasim, Ali Abdulhadi and Ahmad, Harith (2017) A highly stable and switchable dual-wavelength laser using coupled microfiber Mach-Zehnder interferometer as an optical filter. Optics & Laser Technology, 97. pp. 12-19. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2017.06.004.

Safaei, R. and Amiri, Iraj Sadegh and Rezayi, Majid and Ahmad, Harith (2017) A stable dual-wavelength Q-switch using a compact passive device containing photonics crystal fiber embedded with carbon platinum. Laser Physics, 28 (1). 016201. ISSN 1054-660X, DOI https://doi.org/10.1088/1555-6611/aa8e7a.

Latiff, A.A. and Rusdi, M.F.M. and Jusoh, Z. and Yasin, M. and Ahmad, Harith and Harun, Sulaiman Wadi (2016) 1941 nm Q-switched thulium-doped fiber laser with a multi-layer black phosphorus saturable absorber. Optoelectronics and Advanced Materials-Rapid Communications, 10 (11-12). pp. 801-806. ISSN 1842-6573,

Amiri, I.S. and Alavi, S.E. and Soltanian, M.R.K. and Penny, R. and Supa'at, A.S.M. and Fisal, N. and Ahmad, Harith (2016) 2 × 2 MIMO-OFDM-RoF generation and transmission of double V-Band signals using a microring resonator system. Optical and Quantum Electronics, 48 (1). pp. 1-15. ISSN 0306-8919, DOI https://doi.org/10.1007/s11082-015-0280-5.

Cheong, Y.K. and Lim, W.H. and Lee, S.H. and Pua, C.H. and Chong, W.Y. and Ahmad, Harith (2016) 405nm laser processing of thin SU-8 polymer film. Optik, 127 (4). pp. 1651-1655. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2015.11.057.

Ahmad, Harith and Ruslan, N.E. and Ali, Z.A. and Reduan, S.A. and Lee, C.S.J. and Shaharuddin, R.A. and Nayan, N. and Ismail, Mohd Afiq (2016) Ag-nanoparticle as a Q switched device for tunable C-band fiber laser. Optics Communications, 381. pp. 85-90. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2016.06.074.

Rifin, S.N.M. and Zulkifli, M.Z. and Hassan, S.N.M. and Munajat, Y. and Ahmad, Harith (2016) Broadband supercontinuum generation with femtosecond pulse width in erbium-doped fiber laser (EDFL). Laser Physics, 26 (11). p. 115102. ISSN 1054-660X, DOI https://doi.org/10.1088/1054-660X/26/11/115102.

Ahmad, Harith and Hassan, S.N.M. and Ahmad, F. and Zulkifli, M.Z. and Harun, Sulaiman Wadi (2016) Broadband tuning in a passively Q-switched erbium doped fiber laser (EDFL) via multiwall carbon nanotubes/polyvinyl alcohol (MWCNT/PVA) saturable absorber. Optics Communications, 365. pp. 54-60. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2015.12.004.

Ahmad, Harith and Reduan, S.A. and Ali, Z.A. and Ismail, M.A. and Ruslan, N.E. and Lee, C.S.J. and Puteh, R. and Harun, Sulaiman Wadi (2016) C-Band Q-Switched Fiber Laser Using Titanium Dioxide (TiO 2) As Saturable Absorber. IEEE Photonics Journal, 8 (1). pp. 1-7. ISSN 1943-0655, DOI https://doi.org/10.1109/JPHOT.2015.2506169.

Qazi, H.H. and Mohammad, A.B. and Ahmad, Harith and Zulkifli, M.Z. (2016) D-Shaped Polarization Maintaining Fiber Sensor for Strain and Temperature Monitoring. Sensors, 16 (9). p. 1505. ISSN 1424-8220, DOI https://doi.org/10.3390/s16091505.

Nodehi, S. and Mohammed, W.S. and Ahmad, Harith and Harun, Sulaiman Wadi (2016) Demonstration of a Periodic Passband Filter Based on Coupled Microfiber Knots. IEEE Photonics Technology Letters, 28 (10). pp. 1061-1064. ISSN 1041-1135, DOI https://doi.org/10.1109/LPT.2016.2528504.

Harun, Sulaiman Wadi and Shamsudin, H. and Ahmad, Harith and Halder, A. and Paul, M.C. and Pal, M. and Bhadra, S.K. (2016) Development of CW and pulsed thulium ytterbium co-doped fiber lasers using nano-engineered yttria-alimina-silica based gain medium in conjunction with cladding pumping technique. Current Nanoscience, 12 (3). pp. 299-308. ISSN 1573-4137,

Zulkifli, Ahmad Zarif and Latiff, A.A. and Paul, M.C. and Yasin, M. and Ahmad, Harith and Harun, Sulaiman Wadi (2016) Dual-wavelength nano-engineered Thulium-doped fiber laser via bending of singlemode-multimode-singlemode fiber structure. Optical Fiber Technology, 32. pp. 96-101. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2016.10.003.

Azzuhri, Saaidal Razalli and Ahmad, Harith and Portmann, Marius and Ahmedy, Ismail and Pathak, Ranjana (2016) An Efficient Hybrid MANET-DTN Routing Scheme for OLSR. Wireless Personal Communications, 89 (4). pp. 1335-1354. ISSN 0929-6212, DOI https://doi.org/10.1007/s11277-016-3323-8.

Nodehi, S. and Mohammed, W.S. and Ahmad, Harith and Harun, Sulaiman Wadi (2016) Fabrication and characterization of high order filter based on resonance in hybrid multi-knots microfiber structure. Optics & Laser Technology, 78. pp. 120-124. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2015.10.016.

Islam, M.R. and Gunawardena, D.S. and Lee, Y.S. and Lim, Kok Sing and Yang, H.Z. and Ahmad, Harith (2016) Fabrication and characterization of laser-ablated cladding resonances of two different-diameter photosensitive optical fibers. Sensors and Actuators A: Physical, 243. pp. 111-116. ISSN 0924-4247, DOI https://doi.org/10.1016/j.sna.2016.03.025.

Gunawardena, D.S. and Lai, M.H. and Lim, Kok Sing and Malekmohammadi, A. and Ahmad, Harith (2016) Fabrication of thermal enduring FBG sensor based on thermal induced reversible effect. Sensors and Actuators A: Physical, 242. pp. 111-115. ISSN 0924-4247, DOI https://doi.org/10.1016/j.sna.2016.03.001.

Ahmed, M.H.M. and Latiff, A.A. and Arof, Hamzah and Ahmad, Harith and Harun, Sulaiman Wadi (2016) Femtosecond mode-locked erbium-doped fiber laser based on MoS2–PVA saturable absorber. Optics & Laser Technology, 82. pp. 145-149. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2016.03.005.

Hamida, B.A. and Azooz, S.M. and Jasim, A.A. and Eltaif, T. and Khan, S. and Ahmad, Harith and Harun, Sulaiman Wadi (2016) Flat-gain wide-band erbium doped fiber amplifier with hybrid gain medium. Optik, 127 (5). pp. 2481-2484. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2015.11.065.

Sharif, N.M. and Yusoff, N.M. and Mohd. Izhar, M.A. and Ahmad, F. and Harun, Sulaiman Wadi and Ahmad, Harith (2016) Generation of Q-switched thulium-doped fiber laser (TDFL) using differentsaturable absorbers. Jurnal Teknologi, 78 (5-9). pp. 97-103. ISSN 0127-9696, DOI https://doi.org/10.11113/jt.v78.8810.

Ahmad, Harith and Aidit, S.N. and Hassan, N.A. and Ismail, Mohammad Faizal and Tiu, Zian Cheak (2016) Generation of mode-locked erbium-doped fiber laser using MoSe2as saturable absorber. Optical Engineering (OE), 55 (7). 076115. ISSN 0091-3286, DOI https://doi.org/10.1117/1.OE.55.7.076115.

Tiu, Zian Cheak and Ahmad, Harith and Zarei, A. and Harun, Sulaiman Wadi (2016) Generation of multi-wavelength erbium-doped fiber laser by using MoSe2 thin film as nonlinear medium and stabilizer. Chinese Optics Letters, 14 (4). 041901-41904. ISSN 1671-7694, DOI https://doi.org/10.3788/COL201614.041901.

Ahmad, Harith and Salim, M.A.M. and Soltanian, M.R.K. and Azzuhri, Saaidal Razalli and Harun, Sulaiman Wadi and Yasin, Moh (2016) Generation of stable and narrow spacing dual-wavelength ytterbium-doped fiber laser using a photonic crystal fiber. Journal of Modern Optics, 63 (10). pp. 968-973. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2015.1117667.

Ahmad, Harith and Hassan, N.A. and Aidit, S.N. and Tiu, Zian Cheak (2016) Generation of tunable multi-wavelength EDFL by using graphene thin film as nonlinear medium and stabilizer. Optics & Laser Technology, 81. pp. 67-69. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2016.01.024.

Jaddoa, M.F. and Jasim, Ali Abdulhadi and Razak, M.Z.A. and Harun, Sulaiman Wadi and Ahmad, Harith (2016) Highly responsive NaCl detector based on inline microfiber Mach–Zehnder interferometer. Sensors and Actuators A: Physical, 237. pp. 56-61. ISSN 0924-4247, DOI https://doi.org/10.1016/j.sna.2015.11.014.

Ahmad, Harith and Salim, M.A.M. and Azzuhri, Saaidal Razalli and Harun, Sulaiman Wadi (2016) Highly stable and tunable narrow-spacing dual-wavelength ytterbium-doped fiber using a microfiber Mach–Zehnder interferometer. Optical Engineering (OE), 55 (2). 026114. ISSN 0091-3286, DOI https://doi.org/10.1117/1.OE.55.2.026114.

Ahmad, Harith and Rahman, M.T. and Sakeh, S.N.A. and Razak, M.Z.A. and Zulkifli, M.Z. (2016) Humidity sensor based on microfiber resonator with reduced graphene oxide. Optik, 127 (5). pp. 3158-3161. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2015.11.184.

Alizadeh, F. and Hashim, M.N. and Ahmad, Harith and Amiri, I.S. (2016) InGaAsP/InP Microring Resonator (MRR) Waveguide Used to Generate Soliton Comb with Tunable Channel Spacing. Journal of Computational and Theoretical Nanoscience, 13 (8). pp. 4829-4834. ISSN 1546-1955, DOI https://doi.org/10.1166/jctn.2016.5352.

Markom, A.M. and Paul, M.C. and Dhar, A. and Das, S. and Yasin, M. and Apsari, R. and Ahmad, Harith and Harun, Sulaiman Wadi (2016) L-band mode-locked fiber laser delivering adjustable bright and dark pulses with erbium zirconia yttria aluminum co-doped fiber. Optoelectronics and Advanced Materials, Rapid Communications, 10 (7-8). pp. 464-466. ISSN 1842-6573,

Lim, Kok Sing and Islam, M.R. and Lee, Y.S. and Yang, H.Z. and Ahmad, Harith (2016) LP01–LP11Cross-Mode Interference in a Chirped Grating Inscribed in Two-Mode Fiber. IEEE Journal of Quantum Electronics, 52 (6). pp. 1-6. ISSN 0018-9197, DOI https://doi.org/10.1109/JQE.2016.2564679.

Kharraz, O.M. and Mohammad, A.B.B. and Forsyth, D.I. and Ahmad, Harith (2016) Measurement of fiber non-linearity based on four-wave mixing with an ASE source. Optical Fiber Technology, 32. pp. 23-29. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2016.09.002.

Amiri, I.S. and Soltanian, M.R.K. and Alavi, S.E. and Othman, A.R. and Razak, M.Z.A. and Ahmad, Harith (2016) Microring resonator for transmission of solitons via wired/wireless optical communication. Journal of Optics, 45 (3). pp. 255-259. ISSN 0974-6900, DOI https://doi.org/10.1007/s12596-015-0269-2.

Latiff, Anas Abdul and Shamsudin, Hanafiah and Aziz, Nur Suhaili Abd and Hashim, Abdul Manaf and Irawati, Ninik and Ahmad, Harith and Harun, Sulaiman Wadi (2016) Mode-locked generation in thulium-doped fiber linear cavity laser. Optik, 127 (23). pp. 11119-11123. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2016.09.021.

Babar, I.M. and Paul, M.C. and Das, S. and Dhar, A. and Ahmad, Harith and Harun, Sulaiman Wadi (2016) Mode-locked thulium ytterbium co-doped fiber laser with a graphene saturable absorber. Photonics Letters of Poland, 8 (4). pp. 104-106. ISSN 2080-2242, DOI https://doi.org/10.4302/plp.2016.4.05.

Ahmad, Harith and Amiri, I.S. and Soltanian, M.R.K. and Latiff, A.A. and Norizan, S.F. and Alavi, S.E. (2016) Multi dual-wavelength generation using InGaAsP/InP passive microring resonator with two sides apodized gratings. Materials Express, 6 (3). pp. 245-251. ISSN 2158-5849, DOI https://doi.org/10.1166/mex.2016.1303.

Tiu, Z.C. and Zarei, A. and Ahmad, Harith and Harun, Sulaiman Wadi (2016) Multi-wavelength mode-locked erbium-doped fiber laser with photonic crystal fiber in figure-of-eight cavity. Optik, 127 (15). pp. 5894-5898. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2016.03.085.

Shamsudin, H. and Latiff, A.A. and Razak, N.N. and Ahmad, Harith and Harun, Sulaiman Wadi (2016) Multi-wavelength thulium-doped fiber laser operating at slope efficiency of 16.57% in linear cavity configuration. Optoelectronics and Advanced Materials, Rapid Communications, 10 (3-4). pp. 129-132. ISSN 1842-6573,

Alavi, S.E. and Amiri, I.S. and Soltanian, M.R.K. and Penny, R. and Supa'at, A.S.M. and Ahmad, Harith (2016) Multiwavelength generation using an add-drop microring resonator integrated with an InGaAsP/InP sampled grating distributed feedback. Chinese Optics Letters, 14 (2). 021301. ISSN 1671-7694, DOI https://doi.org/10.3788/COL201614.021301.

Ghadiry, M. and Ahmad, Harith and Lai, C.K. and Chong, W.Y. and Lee, S.H. and Tan, W.K. and Chu, K.K. (2016) A New Hybrid Highly Sensitive Optical Humidity Sensor. Sensor Letters, 14 (6). pp. 583-587. ISSN 1546-198X, DOI https://doi.org/10.1166/sl.2016.3699.

Lai, M.H. and Islam, M.R. and Lim, K.S. and Fang, S.D. and Yang, H.Z. and Qiao, X.G. and Ahmad, Harith (2016) Nonlinear output response of acousto-optic modulated distributed bragg reflector (DBR) fiber laser. Optoelectronics and Advanced Materials, Rapid Communications, 10 (9-10). pp. 611-615. ISSN 1842-6573,

Ahmad, Harith and Ruslan, N.E. and Ismail, M.A. and Reduan, S.A. and Lee, C.S.J. and Sathiyan, S. and Sivabalan, S. and Harun, Sulaiman Wadi (2016) Passively Q-switched erbium-doped fiber laser at C-band region based on WS_2 saturable absorber. Applied Optics, 55 (5). p. 1001. ISSN 0003-6935, DOI https://doi.org/10.1364/AO.55.001001.

Ahmad, Harith and Samion, M.Z. and Muhamad, A. and Sharbirin, A.S. and Ismail, Mohammad Faizal (2016) Passively Q-switched thulium-doped fiber laser with silver-nanoparticle film as the saturable absorber for operation at 2.0 μm. Laser Physics Letters, 13 (12). p. 126201. ISSN 1612-2011, DOI https://doi.org/10.1088/1612-2011/13/12/126201.

Shamsudin, H. and Latiff, A.A. and Razak, N.N. and Jusoh, Z. and Ahmad, Harith and Harun, Sulaiman Wadi (2016) Performance comparison of single-mode single-cladding thulium doped and thulium/holmium co-doped fiber lasers in ring cavity. Journal of Optoelectronics and Advanced Materials, 18 (9-10). pp. 757-762. ISSN 1454-4164,

Saidin, N. and Zen, D.I.M. and Ahmad, F. and Haris, H. and Ahmad, Harith and Dimyati, K. and Harun, Sulaiman Wadi and Halder, A. and Paul, M.C. and Pal, M. and Bhadra, S.K. (2016) Q-switched 2µm thulium bismuth co-doped fiber laser with multi-walled carbon nanotubes saturable absorber. Optics & Laser Technology, 83. pp. 89-93. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2016.03.030.

Ahmad, Harith and Suthaskumar, M. and Tiu, Zian Cheak and Zarei, A. and Harun, Sulaiman Wadi (2016) Q-switched Erbium-doped fiber laser using MoSe 2 as saturable absorber. Optics & Laser Technology, 79. pp. 20-23. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2015.11.007.

Ahmad, Harith and Zulkifli, Ahmad Zarif and Yasin, M. and Thambiratnam, K. (2016) Q-switched dual-wavelength fiber laser using a graphene oxide saturable absorber and singlemode–multimode–singlemode fiber structure. Laser Physics Letters, 13 (10). p. 105105. ISSN 1612-2011, DOI https://doi.org/10.1088/1612-2011/13/10/105105.

Ahmad, Harith and Salim, M.A.M. and Ismail, Mohammad Faizal and Harun, Sulaiman Wadi (2016) Q-switched ytterbium-doped fiber laser with zinc oxide based saturable absorber. Laser Physics, 26 (11). p. 115107. ISSN 1054-660X, DOI https://doi.org/10.1088/1054-660X/26/11/115107.

Nodehi, S. and Mohammed, W.S. and Ahmad, Harith and Harun, Sulaiman Wadi (2016) Realization of spectral tunable filter based on thermal effect in microfiber structure. Optical Fiber Technology, 28. pp. 38-41. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2016.01.001.

Ahmad, Harith and Ismail, Mohd Afiq and Suthaskumar, M. and Tiu, Zian Cheak and Harun, Sulaiman Wadi and Zulkifli, M.Z. and Samikannu, S. and Sivaraj, S. (2016) S-band Q-switched fiber laser using molybdenum disulfide (MoS2) saturable absorber. Laser Physics Letters, 13 (3). 035103. ISSN 1612-2011, DOI https://doi.org/10.1088/1612-2011/13/3/035103.

Amiri, I.S. and Ahmad, Harith and Ghasemi, M. and Ismail, Mohammad Faizal and Aidit, S.N. and Soltanian, M.R.K. and Nafarizal, N. (2016) Silicon-based microring resonators for multi-solitons generation for THz communication. Optical and Quantum Electronics, 48 (8). ISSN 0306-8919, DOI https://doi.org/10.1007/s11082-016-0689-5.

Ahmad, Harith and Ruslan, N.E. and Ismail, Mohd Afiq and Ali, Z.A. and Reduan, S.A. and Lee, C.S.J. and Harun, Sulaiman Wadi (2016) Silver nanoparticle-film based saturable absorber for passivelyQ-switched erbium-doped fiber laser (EDFL) in ring cavity configuration. Laser Physics, 26 (9). 095103. ISSN 1054-660X, DOI https://doi.org/10.1088/1054-660X/26/9/095103.

Tiu, Zian Cheak and Aidit, S.N. and Hassan, N.A. and Ismail, Mohammad Faizal and Ahmad, Harith (2016) Single and Double Brillouin Frequency Spacing Multi-Wavelength Brillouin Erbium Fiber Laser With Micro-Air Gap Cavity. IEEE Journal of Quantum Electronics, 52 (9). pp. 1-5. ISSN 0018-9197, DOI https://doi.org/10.1109/JQE.2016.2592803.

Ahmed, M.H.M. and Latiff, A.A. and Arof, Hamzah and Ahmad, Harith and Harun, Sulaiman Wadi (2016) Soliton mode-locked erbium-doped fibre laser with mechanically exfoliated molybdenum disulphide saturable absorber. IET Optoelectronics, 10 (5). pp. 169-173. ISSN 1751-8768, DOI https://doi.org/10.1049/iet-opt.2015.0097.

Ahmad, F. and Harun, Sulaiman Wadi and Nor, Roslan Md and Ahmad, Harith and Ibrahim, M.H. (2016) Soliton pulse generation using a swcntspolyvinyl alcohol thin film based passive saturable absorber. ARPN Journal of Engineering and Applied Sciences, 11 (10). pp. 6324-6327. ISSN 1819-6608,

Liu, H. and Yang, H.Z. and Qiao, X.G. and Hu, M.L. and Feng, Z.Y. and Wang, R. and Rong, Q. and Gunawardena, D.S. and Lim, K.S. and Ahmad, Harith (2016) Strain measurement at high temperature environment based on Fabry-Perot interferometer cascaded fiber regeneration grating. Sensors and Actuators A: Physical, 248. pp. 199-205. ISSN 0924-4247, DOI https://doi.org/10.1016/j.sna.2016.07.028.

Amiri, I.S. and Alavi, S.E. and Supa'at, A.S.M. and Ali, J. and Ahmad, Harith (2016) Temporal soliton: Generation and applications in optical communications. Jurnal Teknologi, 78 (3). pp. 271-276. ISSN 0127-9696, DOI https://doi.org/10.11113/jt.v78.7532.

Gunawardena, D.S. and Mat-Sharif, K.A. and Lai, M.H. and Lim, Kok Sing and Tamchek, N. and Omar, N.Y.M. and Emami, S.D. and Muhamad-Yasin, S.Z. and Zulkifli, M.I. and Yusoff, Z. and Yang, H.Z. and Abdul-Rashid, H.A. and Ahmad, Harith (2016) Thermal Activation of Regenerated Grating in Hydrogenated Gallosilicate Fiber. IEEE Sensors Journal, 16 (6). pp. 1659-1664. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2015.2503438.

Lai, M.H. and Gunawardena, D.S. and Lim, Kok Sing and Machavaram, V.R. and Lee, S.H. and Chong, W.Y. and Lee, Y.S. and Ahmad, Harith (2016) Thermal activation of regenerated fiber Bragg grating in few mode fibers. Optical Fiber Technology, 28. pp. 7-10. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2015.12.004.

Ahmad, Harith and Salim, M.A.M. and Ali, Z.A. and Ismail, Mohammad Faizal and Thambiratnam, K. and Latiff, A.A. and Nayan, N. and Harun, Sulaiman Wadi (2016) Titanium dioxide-based Q-switched dual wavelength in the 1 micron region. Chinese Optics Letters, 14 (9). 091403-91407. ISSN 1671-7694, DOI https://doi.org/10.3788/COL201614.091403.

Alavi, S.E. and Soltanian, M.R.K. and Amiri, I.S. and Khalily, M. and Supa'at, A.S.M. and Ahmad, Harith (2016) Towards 5G: A Photonic Based Millimeter Wave Signal Generation for Applying in 5G Access Fronthaul. Scientific Reports, 6. p. 19891. ISSN 2045-2322, DOI https://doi.org/10.1038/srep19891.

Ahmad, Harith and Lee, C.S.J. and Ismail, Mohd Afiq and Ali, Z.A. and Reduan, S.A. and Ruslan, N.E. and Harun, Sulaiman Wadi (2016) Tunable Q-switched fiber laser using zinc oxide nanoparticles as a saturable absorber. Applied Optics, 55 (16). p. 4277. ISSN 0003-6935, DOI https://doi.org/10.1364/AO.55.004277.

Ahmad, Harith and Salim, M.A.M. and Azzuhri, Saaidal Razalli and Jaddoa, M.F. and Harun, Sulaiman Wadi (2016) Tunable dual-wavelength ytterbium-doped fiber laser using a strain technique on microfiber Mach–Zehnder interferometer. Applied Optics, 55 (4). p. 778. ISSN 0003-6935, DOI https://doi.org/10.1364/AO.55.000778.

Amiri, I.S. and Ariannejad, M.M. and Ahmad, Harith (2016) Tunable multi-wavelength generation using InGaAsP/InP microring resonator with detectable resonance wavelength shift due to a sensing cladding section. Chinese Journal of Physics, 54 (5). pp. 780-787. ISSN 0577-9073, DOI https://doi.org/10.1016/j.cjph.2016.08.002.

Samion, M.Z. and Ismail, Mohammad Faizal and Muhamad, A. and Sharbirin, A.S. and Harun, Sulaiman Wadi and Ahmad, Harith (2016) Tunable passively Q-switched thulium-doped fiber laser operating at 1.9 μm using arrayed waveguide grating (AWG). Optics Communications, 380. pp. 195-200. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2016.06.012.

Jaddoa, M.F. and Razak, M.Z.A. and Salim, M.A.M. and Sharbirin, A.S. and Nayan, N. and Ismail, Mohammad Faizal and Ahmad, Harith (2016) Tunable single wavelength erbium-doped fiber ring laser based on in-line Mach-Zehnder strain. Optik, 127 (20). pp. 8326-8332. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2016.06.046.

Soltanian, M.R.K. and Sharbirin, A.S. and Ariannejad, M.M. and Amiri, I.S. and De La Rue, R.M. and Brambilla, G. and Rahman, B.M.A. and Grattan, K.T.V. and Ahmad, Harith (2016) Variable Waist-Diameter Mach–Zehnder Tapered-Fiber Interferometer as Humidity and Temperature Sensor. IEEE Sensors Journal, 16 (15). pp. 5987-5992. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2016.2573961.

Ahmad, Harith and Lee, C.S.J. and Ismail, M.A. and Ali, Z.A. and Reduan, S.A. and Ruslan, N.E. and Ismail, Mohammad Faizal and Harun, Sulaiman Wadi (2016) Zinc oxide (ZnO) nanoparticles as saturable absorber in passively Q-switched fiber laser. Optics Communications, 381. pp. 72-76. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2016.06.073.

Amiri, I.S. and Alavi, S.E. and Supa'at, A.S.M. and Ali, J. and Ahmad, Harith (2016) The analysis of phase, dispersion and group delay in InGaAsP/InP microring resonator. Jurnal Teknologi, 78 (3). pp. 43-49. ISSN 0127-9696, DOI https://doi.org/10.11113/jt.v78.7463.

Ahmad, Harith and Salim, M.A.M. and Thambiratnam, K. and Norizan, S.F. and Harun, Sulaiman Wadi (2016) A black phosphorus-based tunable Q-switched ytterbium fiber laser. Laser Physics Letters, 13 (9). 095103. ISSN 1612-2011, DOI https://doi.org/10.1088/1612-2011/13/9/095103.

Ahmad, Harith and Rashid, F.A.A. and Azzuhri, Saaidal Razalli and Salim, M.A.M. and Shaharuddin, R.A. and Ismail, M.A. and Razak, M.Z.A. (2016) The generation of passive dual wavelengths Q-switched YDFL by MoSe2film. Laser Physics Letters, 13 (11). p. 115102. ISSN 1612-2011, DOI https://doi.org/10.1088/1612-2011/13/11/115102.

Ahmad, Harith and Ghadiry, Mahdiar and Abd Manaf, Asrulnizam (2016) A new approach to study carrier generation in graphene nanoribbons under lateral bias. Materials Express, 6 (3). pp. 283-288. ISSN 2158-5849, DOI https://doi.org/10.1166/mex.2016.1305.

Ahmad, Harith and Ghadiry, Mahdiar and Abd Manaf, Asrulnizam (2016) A new approach to study the effect of generation rate on drain-source current of bilayer graphene transistors. Indian Journal of Physics, 90 (10). pp. 1127-1132. ISSN 0973-1458, DOI https://doi.org/10.1007/s12648-016-0856-3.

Markom, A.M. and Ahmad, Harith and Harun, Sulaiman Wadi (2016) A wideband and flat-gain of an amplifier by using zirconia-based erbium-doped fiber (Zr-EDF) for single pass pperation. Jurnal Teknologi, 78 (3). pp. 19-23. ISSN 0127-9696, DOI https://doi.org/10.11113/jt.v78.7458.

Tiu, Z.C. and Ahmad, F. and Tan, S.J. and Ahmad, Harith and Harun, Sulaiman Wadi (2015) Multi-wavelength Q-switched Erbium-doped fiber laser with photonic crystal fiber and graphene – Polyethylene oxide saturable absorber. Optik, 126 (17). pp. 1495-1498. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2015.04.036.

Hmood, J.K. and Emami, S.D. and Noordin, K.A. and Ahmad, Harith and Harun, Sulaiman Wadi and Shalaby, H.M.H. (2015) Optical frequency comb generation based on chirping of Mach-Zehnder modulators. Optics Communications, 344. pp. 139-146. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2015.01.054.

Irawati, Ninik and Suthaskumar, M. and John, V. and Ali, N.M. and Ahmad, Harith and Harun, Sulaiman Wadi (2015) Fabrication of polymer microfiber by direct drawing. Microwave and Optical Technology Letters, 57 (4). pp. 820-823. ISSN 0895-2477, DOI https://doi.org/10.1002/Mop.28967.

Zarei, A. and Tiu, Zian Cheak and Ahmad, F. and Ahmad, Harith and Harun, Sulaiman Wadi (2015) Q-switched brillouin fibre laser with multi-wall carbon nanotube saturable absorber. IET Optoelectronics, 9 (2). pp. 96-100. ISSN 1751-8768, DOI https://doi.org/10.1049/iet-opt.2014.0041.

Sabran, M.B.S. and Jusoh, Z. and Babar, I.M. and Ahmad, Harith and Harun, Sulaiman Wadi (2015) Dual-wavelength passively Q-switched erbium ytterbium codoped fiber laser based on a nonlinear polarization rotation technique. Microwave and Optical Technology Letters, 57 (3). pp. 530-533. ISSN 0895-2477, DOI https://doi.org/10.1002/Mop.28895.

Azooz, S.M. and Ahmad, F. and Ahmad, Harith and Harun, Sulaiman Wadi and Hamida, B.A. and Khan, S. and Halder, A. and Paul, M.C. and Pal, M. and Bhadra, S.K. (2015) Mode-locked 2 mu m fiber laser with a multi-walled carbon nanotube as a saturable absorber. Chinese Optics Letters, 13 (3). p. 4. ISSN 1671-7694, DOI https://doi.org/10.3788/col201513.030602.

Azooz, S.M. and Harun, Sulaiman Wadi and Ahmad, Harith and Halder, A. and Paul, M.C. and Das, S. and Bhadra, S.K. (2015) A Q-switched fibre laser operating in the 2 mu m region based on nonlinear polarization rotation technique. Ukrainian Journal of Physical Optics, 16 (1). pp. 32-37. ISSN 1609-1833, DOI https://doi.org/10.3116/16091833/16/1/32/2015.

Batumalay, M. and Harun, Sulaiman Wadi and Irawati, Ninik and Ahmad, Harith and Arof, Hamzah (2015) A study of relative humidity fiber-optic sensors. IEEE Sensors Journal, 15 (3). pp. 1945-1950. ISSN 1530-437X, DOI https://doi.org/10.1109/Jsen.2014.2368979.

Saidin, N. and Harun, Sulaiman Wadi and Ahmad, Harith and Ali, S.M.M. and Damanhuri, S.S.A. and Halder, A. and Paul, M.C. and Das, S. and Pal, M. and Bhadra, S.K. (2015) Enhancement of thulium-Ytterbium doped fiber laser efficiency using dual-pumping method. Microwave and Optical Technology Letters, 57 (2). pp. 285-287. ISSN 0895-2477, DOI https://doi.org/10.1002/Mop.28827.

Shirazi, M.R. and Harun, Sulaiman Wadi and Ahmad, Harith (2015) Effective use of an EDFA and Raman pump residual powers via a Bi-EDF in L-band multi-wavelength fiber laser generation. Laser Physics, 25 (1). ISSN 1054-660X, DOI https://doi.org/10.1088/1054-660x/25/1/015104.

Azooz, S.M. and Harun, Sulaiman Wadi and Ahmad, Harith and Halder, A. and Paul, Mukul Chandra and Pal, M. and Bhadra, S.K. (2015) Mode-locked thulium ytterbium co-doped fiber laser with graphene oxide paper saturable absorber. Chinese Physics Letters, 32 (1). ISSN 0256-307X, DOI https://doi.org/10.1088/0256-307x/32/1/014204.

Emami, S.D. and Soltanian, M.R.K. and Attaran, A. and Abdul-Rashid, H.A. and Penny, R. and Moghavvemi, Mahmoud and Harun, Sulaiman Wadi and Ahmad, Harith and Mohammed, W.S. (2015) Application of fano resonance effects in optical antennas formed by regular clusters of nanospheres. Applied Physics A: Materials Science & Processing, 118 (1). pp. 139-150. ISSN 0947-8396, DOI https://doi.org/10.1007/s00339-014-8832-2.

Yang, H.Z. and Ali, M.M. and Islam, M.R. and Lim, Kok Sing and Gunawardena, D.S. and Ahmad, Harith (2015) Cladless few mode fiber grating sensor for simultaneous refractive index and temperature measurement. Sensors and Actuators A: Physical, 228. pp. 62-68. ISSN 0924-4247, DOI https://doi.org/10.1016/j.sna.2015.03.001.

Soltanian, Mohammad Reza K. and Amiri, Iraj Sadegh and Alavi, S. Ehsan and Ahmad, Harith (2015) Dual-Wavelength Erbium-Doped Fiber Laser to Generate Terahertz Radiation Using Photonic Crystal Fiber. Journal of Lightwave Technology, 33 (24). pp. 5038-5046. ISSN 0733-8724, DOI https://doi.org/10.1109/JLT.2015.2495255.

Shirazi, M.R. and Taib, J.M. and De La Rue, R.M. and Harun, Sulaiman Wadi and Ahmad, Harith (2015) Dynamic characteristics of a multi-wavelength Brillouin-Raman fiber laser assisted by multiple four-wave mixing processes in a ring cavity. Optics & Laser Technology, 66. pp. 63-67. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2014.08.011.

Sathiyan, S. and Ahmad, Harith and Chong, W.Y. and Lee, S.H. and Sivabalan, S. (2015) Evolution of the Polarizing Effect of MoS2. IEEE Photonics Journal, 7 (6). p. 6100610. ISSN 1943-0655, DOI https://doi.org/10.1109/JPHOT.2015.2499543.

Ahmad, Harith and Salim, M.A.M. and Azzuhri, Saaidal Razalli and Soltanian, M.R.K. and Harun, Sulaiman Wadi and Yasin, M. (2015) Generation of an ultra-stable dual-wavelength ytterbium-doped fiber laser using a photonic crystal fiber. Laser Physics, 26 (2). 025101. ISSN 1054-660X, DOI https://doi.org/10.1088/1054-660X/26/2/025101.

Tiu, Zian Cheak and Suthaskumar, M. and Zarei, A. and Tan, S.J. and Ahmad, Harith and Harun, Sulaiman Wadi (2015) Generation of switchable domain wall and Cubic–Quintic nonlinear Schrödinger equation dark pulse. Optics & Laser Technology, 73. pp. 127-129. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2015.04.010.

Tiu, Zian Cheak and Zarei, A. and Tan, S.J. and Ahmad, Harith and Harun, Sulaiman Wadi (2015) Harmonic Dark Pulse Emission in Erbium-Doped Fiber Laser. Chinese Physics Letters, 32 (3). 034203. ISSN 0256-307X, DOI https://doi.org/10.1088/0256-307X/32/3/034203.

Yang, H.Z. and Qiao, X.G. and Wang, Y.P. and Ali, M.M. and Lai, M.H. and Lim, Kok Sing and Ahmad, Harith (2015) In-Fiber Gratings for Simultaneous Monitoring Temperature and Strain in Ultrahigh Temperature. IEEE Photonics Technology Letters, 27 (1). pp. 58-61. ISSN 1041-1135, DOI https://doi.org/10.1109/LPT.2014.2361768.

Chong, W.Y. and Yap, Y.K. and Ahmad, Harith (2015) Low-Threshold Q-Switched Erbium-Doped Fiber Laser Using Molybdenum Disulphide Saturable Absorber Prepared Through Evaporitic Formation. IEEE Photonics Journal, 7 (6). ISSN 1943-0655,

Ali, M.M. and Islam, M.R. and Lim, K.S. and Gunawardena, D.S. and Yang, H.Z. and Ahmad, Harith (2015) PCF-Cavity FBG Fabry-Perot Resonator for Simultaneous Measurement of Pressure and Temperature. IEEE Sensors Journal, 15 (12). pp. 6921-6925. ISSN 1530-437X,

Tan, Sin Jin and Tiu, Zian Cheak and Harun, Sulaiman Wadi and Ahmad, Harith (2015) Sideband-controllable soliton pulse with bismuth-based erbium-doped fiber. Chinese Optics Letters, 13 (11). pp. 111406-111408. ISSN 1671-7694, DOI https://doi.org/10.3788/COL201513.111406.

Soltanian, M.R.K. and Amiri, I.S. and Chong, W.Y. and Alavi, S.E. and Ahmad, Harith (2015) Stable Dual-Wavelength Coherent Source With Tunable Wavelength Spacing Generated By Spectral Slicing a Mode-Locked Laser Using Microring Resonator. IEEE Photonics Journal, 7 (6). ISSN 1943-0655, DOI https://doi.org/10.1109/JPHOT.2015.2504243.

Harith, Zuraidah and Irawati, Ninik and Rafaie, Hartini Ahmad and Batumalay, Malathy and Harun, Sulaiman Wadi and Nor, Roslan Md and Ahmad, Harith (2015) Tapered plastic optical fiber coated with Al-Doped ZnO nanostructures for detecting relative humidity. IEEE Sensors Journal, 15 (2). pp. 845-849. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2014.2353038.

Emami, S.D. and Muhammad, A.R. and Muhamad-Yasin, S.Z. and Mat-Sharif, K.A. and Zulkifli, M.I. and Adikan, Faisal Rafiq Mahamd and Ahmad, Harith and Abdul-Rashid, H.A. (2014) S-Band Gain Improvement Using a Thulium–Aluminum Co-Doped Photonic Crystal Fiber Amplifier. IEEE Photonics Journal, 6 (6). ISSN 1943-0655, DOI https://doi.org/10.1109/JPHOT.2014.2366158 .

Zarei, A. and Jasim, Ali Abdulhadi and Harun, Sulaiman Wadi and Ahmad, Harith (2014) Investigation of spontaneous Brillouin scattering generation based on non-adiabatic microfibres. Laser Physics Letters, 11 (12). pp. 1-7. ISSN 1612-2011, DOI https://doi.org/10.1088/1612-2011/11/12/125105.

Yang, H.Z. and Qiao, X.G. and Rajibul, I.M. and Lim, K.S. and Ahmad, Harith (2014) Simultaneous measurement of aliphatic alcohol concentration and temperature based on etched taper FBG. Sensors and Actuators B: Chemical, 202. pp. 959-963. ISSN 0925-4005, DOI https://doi.org/10.1016/j.snb.2014.06.058.

Amiri, I.S. and Alavi, S.E. and Fisal, N. and Supa'at, A.S.M. and Ahmad, Harith (2014) All-Optical Generation of Two IEEE802.11n Signals for 2 x 2 MIMO-RoF via MRR System. IEEE Photonics Journal, 6 (6). ISSN 1943-0655, DOI https://doi.org/10.1109/JPHOT.2014.2363437.

Cheong, Y.K. and Chong, W.Y. and Chong, S.S. and Lim, K.S. and Ahmad, Harith (2014) Regenerated Type-IIa Fibre Bragg Grating from a Ge–B codoped fibre via thermal activation. Optics & Laser Technology, 62. pp. 69-72. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2014.01.007.

Al-Masoodi, A.H.H. and Ismail, M.F. and Ahmad, F. and Kasim, N. and Munajat, Y. and Ahmad, Harith and Harun, Sulaiman Wadi (2014) Q-switched Yb-doped fiber laser operating at 1073 nm using a carbon nanotubes saturable absorber. Microwave and Optical Technology Letters, 56 (8). pp. 1770-1773. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.28447.

Ahmad, Harith and Thambiratnam, K. and Paul, M.C. and Harun, Sulaiman Wadi (2014) Single-longitudinal-mode operation in tunable novel zirconia-yttria-alumina-erbium-doped fiber laser. Laser Physics, 24 (8). pp. 1-6. ISSN 1054-660X, DOI https://doi.org/10.1088/1054-660X/24/8/085106.

Ahmad, Harith and Dernaika, M. and Kharraz, O.M. and Alimadad, M. and Ibrahim, M.F. and Lim, K.S. and Harun, Sulaiman Wadi (2014) A tuneable, power efficient and narrow single longitudinal mode fibre ring laser using an inline dual-taper fibre Mach–Zehnder filter. Laser Physics, 24 (8). pp. 1-7. ISSN 1054-660X, DOI https://doi.org/10.1088/1054-660X/24/8/085111.

Sulaiman, Azlan and Harun, Sulaiman Wadi and Ahmad, F. and Ahmad, Harith (2014) Nonadiabatic microfiber based mode-locked erbium-doped fiber laser using graphene. Microwave and Optical Technology Letters, 56 (7). pp. 1670-1673. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.28414.

Yang, H.Z. and Qiao, X.G. and Lim, K.S. and Harun, Sulaiman Wadi and Chong, W.Y. and Islam, Md. Rajibul and Ahmad, Harith (2014) Optical Fiber Sensing of Salinity and Liquid Level. IEEE Photonics Technology Letters, 26 (17). pp. 1742-1745. ISSN 1041-1135, DOI https://doi.org/10.1109/LPT.2014.2330206.

Ahmad, Harith and Zulkifli, Ahmad Zarif and Muhammad, F.D. and Zulkifli, M.Z. and Thambiratnam, K. and Harun, Sulaiman Wadi (2014) Mode-locked L-band bismuth–erbium fiber laser using carbon nanotubes. Applied Physics B, 115 (3). pp. 407-412. ISSN 0946-2171, DOI https://doi.org/10.1007/s00340-013-5616-x.

Rahman, H.A. and Harun, Sulaiman Wadi and Arof, Hamzah and Irawati, Ninik and Musirin, I. and Ibrahim, Fatimah and Ahmad, Harith (2014) Classification of reflected signals from cavitated tooth surfaces using an artificial intelligence technique incorporating a fiber optic displacement sensor. Journal of Biomedical Optics (JBO), 19 (5). 057009. ISSN 1083-3668, DOI https://doi.org/10.1117/1.JBO.19.5.057009.

Ahmad, Harith and Azhari, N.S. and Zulkifli, M.Z. and Muhammad, F.D. and Harun, Sulaiman Wadi (2014) S-band SLM distributed Bragg reflector fiber laser. Laser Physics, 24. pp. 1-4. ISSN 1054-660X, DOI https://doi.org/10.1088/1054-660X/24/6/065109.

Shirazi, M.R. and De La Rue, R.M. and Harun, Sulaiman Wadi and Ahmad, Harith (2014) Multi-wavelength fiber laser generation by using optical wavelength conversion. Laser Physics, 24 (6). pp. 1-5. ISSN 1054-660X, DOI https://doi.org/10.1088/1054-660X/24/6/065105.

Ahmad, F. and Harun, Sulaiman Wadi and Nor, Roslan Md and Zulkepely, N.R. and Muhammad, F.D. and Arof, Hamzah and Ahmad, Harith (2014) Mode-locked soliton erbium-doped fiber laser using a single-walled carbon nanotubes embedded in polyethylene oxide thin film saturable absorber. Journal of Modern Optics, 61 (6). pp. 541-545. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2014.899644.

Shirazi, M.R. and Harun, Sulaiman Wadi and Ahmad, Harith (2014) Multi-wavelength Brillouin Raman erbium-doped fiber laser generation in a linear cavity. Journal of Optics, 16 (3). pp. 1-4. ISSN 2040-8978, DOI https://doi.org/10.1088/2040-8978/16/3/035203.

Ismail, M.A. and Ahmad, Harith and Harun, Sulaiman Wadi (2014) Soliton Mode-Locked Erbium-Doped Fiber Laser Using Non-Conductive Graphene Oxide Paper. IEEE Journal of Quantum Electronics, 50 (2). pp. 85-87. ISSN 0018-9197, DOI https://doi.org/10.1109/JQE.2013.2295199 .

Ali, M.M. and Lim, K.S. and Becir, A. and Lai, M.H. and Ahmad, Harith (2014) Optical Gaussian Notch Filter Based on Periodic Microbent Fiber Bragg Grating. IEEE Photonics Journal, 6 (1). ISSN 1943-0655, DOI https://doi.org/10.1109/JPHOT.2013.2295466 .

Lokman, A. and Nodehi, S. and Batumalay, Malathy and Arof, Hamzah and Ahmad, Harith and Harun, Sulaiman Wadi (2014) Optical fiber humidity sensor based on a tapered fiber with hydroxyethylcellulose/polyvinylidenefluoride composite. Microwave and Optical Technology Letters, 56 (2). pp. 380-382. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.28091.

Batumalay, M. and Rahman, H.A. and Kam, W. and Ong, Y.S. and Ahmad, F. and Zakaria, Rozalina and Harun, Sulaiman Wadi and Ahmad, Harith (2014) Evaluation of the tapered PMMA fiber sensor response due to the ionic interaction within electrolytic solutions. Journal of Modern Optics, 61 (2). pp. 154-160. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2013.850541.

Ahmad, Harith and Zulkifli, Ahmad Zarif and Yap, Yuen Kiat and Harun, Sulaiman Wadi (2014) Q-switched fibre laser using 21 cm Bismuth-erbium doped fibre and graphene oxide as saturable absorber. Optics Communications, 310. pp. 53-57. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2013.07.053.

Lim, Weng Hong and Yap, Yuen Kiat and Chong, Wu Yi and Ahmad, Harith (2014) All-optical graphene oxide humidity sensors. Sensors, 14 (12). pp. 24329-24337.

Zarei, A. and Rosdin, R.Z.R.R. and Ali, N.M. and Ahmad, Harith and Harun, Sulaiman Wadi (2014) Brillouin Lasing with a Reduced Self-Pulsing Characteristic Using a Short-Length Erbium-Doped Fiber as the Nonlinear Gain Medium. Chinese Physics Letters, 31 (5). pp. 1-4. ISSN 0256-307X, DOI https://doi.org/10.1088/0256-307X/31/5/054202.

Attaran, A. and Emami, S.D. and Soltanian, M.R.K. and Penny, R. and Behbahani, F. and Harun, Sulaiman Wadi and Ahmad, Harith and Abdul-Rashid, H.A. and Moghavvemi, Mahmoud (2014) Circuit Model of Fano Resonance on Tetramers, Pentamers, and Broken Symmetry Pentamers. Plasmonics, 9 (6). pp. 1303-1313. ISSN 1557-1955, DOI https://doi.org/10.1007/s11468-014-9743-y.

Ahmad, Harith and Razak, N.F. and Zulkifli, M.Z. and Muhammad, F.D. and Munajat, Y. and Harun, Sulaiman Wadi (2014) Closely spaced dual-wavelength fiber laser using an ultranarrow bandwidth optical filter for low radio frequency generation. Applied Optics, 53 (19). pp. 4123-4127. ISSN 0003-6935, DOI https://doi.org/10.1364/AO.53.004123.

Tiu, Z.C. and Tan, S.J. and Ahmad, Harith and Harun, Sulaiman Wadi (2014) Dark pulse emission in nonlinear polarization rotation-based multiwavelength mode-locked erbium-doped fiber laser. Chinese Optics Letters, 12 (11). p. 113202. ISSN 1671-7694,

Babar, I.M. and Sabran, M.B.S. and Jusoh, Z. and Ahmad, Harith and Harun, Sulaiman Wadi and Halder, A. and Paul, M.C. and Das, S. and Bhadra, S.K. (2014) Double-clad thulium/ytterbium co-doped octagonal-shaped fibre for fibre laser applications. Ukrainian Journal of Physical Optics, 15 (4). pp. 173-183. ISSN 1609-1833, DOI https://doi.org/10.3116/16091833/15/4/173/2014.

Jusoh, Z. and Harun, Sulaiman Wadi and Shahabuddin, N.S. and Ahmad, Harith and Paul, Mukul Chandra and Das, S. and Dhar, A. and Pal, M. (2014) Dual-wavelength erbium-ytterbium co-doped fibre laser operating at 1064 and 1534 nm. Ukrainian Journal of Physical Optics, 15 (3). pp. 118-122. ISSN 1609-1833, DOI https://doi.org/10.3116/16091833/15/3/118/2014.

Ahmad, Harith and Soltanian, M.R.K. and Pua, C.H. and Alimadad, M. and Harun, Sulaiman Wadi (2014) Photonic crystal fiber based dual-wavelength Q-switched fiber laser using graphene oxide as a saturable absorber. Applied Optics, 53 (16). pp. 3581-3586. ISSN 0003-6935, DOI https://doi.org/10.1364/AO.53.003581.

Ahmad, Harith and Thambiratnam, Kavintheran and Muhammad, Farah Diana and Zulkifli, Mohd Zamani and Zulkifli, Ahmad Zarif and Paul, Mukul Chandra and Harun, Sulaiman Wadi (2014) Q-Switching and Mode-Locking in Highly Doped Zr2O3–Al2O3–Er2O3 -Doped Fiber Lasers Using Graphene as a Saturable Absorber. IEEE Journal of Selected Topics in Quantum Electronics, 20 (1). p. 1100108. ISSN 1077-260X, DOI https://doi.org/10.1109/JSTQE.2013.2272459.

Sulaiman, Azlan and Harun, Sulaiman Wadi and Ahmad, Harith (2014) Ring microfiber coupler erbium-doped fiber laser analysis. Chinese Optics Letters, 12 (2). 021403. ISSN 1671-7694,

Batumalay, Malathy and Ahmad, F. and Lokman, A. and Jasim, Ali Abdulhadi and Harun, Sulaiman Wadi and Ahmad, Harith (2014) Tapered plastic optical fiber coated with single wall carbon nanotubes polyethylene oxide composite for measurement of uric acid concentration. Sensor Review, 34 (1). pp. 75-79. ISSN 0260-2288, DOI https://doi.org/10.1108/SR-09-2012-699.

Azooz, S.M. and Hamida, B.A. and Khan, S. and Eltaif, T. and Jasim, A.A. and Ahmad, Harith and Harun, Sulaiman Wadi (2014) Аll-fibre dual-wavelength thulium-doped fibre laser based on spatial filtering effect. Ukrainian Journal of Physical Optics, 15 (2). pp. 79-83. ISSN 1609-1833, DOI https://doi.org/10.3116/16091833/15/2/79/2014.

Yang, H.Z. and Chong, W.Y. and Qiao, X.G. and Lim, M.J. and Lim, K.S. and Islam, M.R. and Ali, N.M. and Ahmad, Harith (2013) 1.3 and 1.55μm Thermally Regenerated Gratings in Hydrogenated Boron/Germanium Co-Doped Photosensitivity Fiber. IEEE Sensors Journal, 14 (5). pp. 1352-1356. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2013.2294973 .

Pua, C.H. and Chong, W.Y. and Ahmad, Harith (2013) Instantaneous Response of Wide Area Intrusion Sensor With Long Haul Monitoring Capability. IEEE Photonics Technology Letters, 25 (23). pp. 2255-2258. ISSN 1041-1135, DOI https://doi.org/10.1109/LPT.2013.2284608.

Saidin, N. and Zen, D.I.M. and Hamida, B.A. and Khan, S. and Ahmad, Harith and Dimyati, K. and Harun, Sulaiman Wadi (2013) A Q-switched thulium-doped fiber laser with a graphene thin film based saturable absorber. Laser Physics, 23 (11). pp. 1-5. ISSN 1054-660X, DOI https://doi.org/10.1088/1054-660X/23/11/115102.

Saidin, N. and Zen, D.I.M. and Damanhuri, S.S.A. and Harun, Sulaiman Wadi and Ahmad, Harith and Dimyati, K. and Halder, A. and Paul, Mukul Chandra and Pal, M. and Bhadra, S.K. (2013) All-Fiber Dual-Wavelength Thulium–Bismuth Codoped Fiber Laser. Microwave and Optical Technology Letters, 55 (10). pp. 2324-2326. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.27875.

Ahmad, Harith and Muhammad, F.D. and Zulkifli, M.Z. and Harun, Sulaiman Wadi (2013) Graphene-Based Mode-Locked Spectrum-Tunable Fiber Laser Using Mach–Zehnder Filter. IEEE Photonics Journal, 5 (5). ISSN 1943-0655, DOI https://doi.org/10.1109/JPHOT.2013.2281609.

Ahmad, Harith and Razak, N.F. and Zulkifli, M.Z. and Muhammad, F.D. and Munajat, Y. and Harun, Sulaiman Wadi (2013) Ultra-narrow linewidth single longitudinal mode Brillouin fiber ring laser using highly nonlinear fiber. Laser Physics Letters, 10 (10). pp. 1-5. ISSN 1612-2011, DOI https://doi.org/10.1088/1612-2011/10/10/105105.

Mirnia, S.E. and Zarei, A. and Emami, S.D. and Harun, Sulaiman Wadi and Arof, Hamzah and Ahmad, Harith and Shalaby, H.M.H. (2013) Proposal and performance evaluation of an efficient RZ-DQPSK modulation scheme in all-optical OFDM transmission systems. IEEE/OSA Journal of Optical Communications and Networking, 5 (9). pp. 932-944. ISSN 1943-0620, DOI https://doi.org/10.1364/JOCN.5.000932 .

Zulkifli, M.Z. and Chong, W.Y. and Melloni, A. and Morichetti, F. and Harun, Sulaiman Wadi and Ahmad, Harith (2013) Extraction of a single Stokes line from a Brillouin fibre laser using a silicon oxynitride microring filter. Laser Physics, 23 (9). pp. 1-4. ISSN 1054-660X, DOI https://doi.org/10.1088/1054-660X/23/9/095102.

Ahmad, Harith and Zulkifli, Ahmad Zarif and Thambiratnam, Kavintheran and Harun, Sulaiman Wadi (2013) 2.0- \mu\hbox {m} Q-Switched Thulium-Doped Fiber Laser With Graphene Oxide Saturable Absorber. IEEE Photonics Journal, 5 (4). ISSN 1943-0655, DOI https://doi.org/10.1109/JPHOT.2013.2273733.

Batumalay, Malathy and Lokman, A. and Ahmad, F. and Arof, Hamzah and Ahmad, Harith and Harun, Sulaiman Wadi (2013) Tapered Plastic Optical Fiber Coated With HEC/PVDF for Measurement of Relative Humidity. IEEE Sensors Journal, 13 (12). pp. 4702-4705. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2013.2272329.

Ahmad, Harith and Zulkifli, M.Z. and Muhammad, F.D. and Taib, J.M. and Harun, Sulaiman Wadi (2013) Tunable S-band output based on Raman shift in dispersion shifted fiber. Journal of Modern Optics, 60 (9). pp. 737-740. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2013.807945.

Sulaiman, A. and Harun, Sulaiman Wadi and Muhammad, M.Z. and Ahmad, Harith (2013) Compact Dual-Wavelength Laser Generation Using Highly Concentrated Erbium-Doped Fiber Loop Attached to Microfiber Coupler. IEEE Journal of Quantum Electronics, 49 (7). pp. 586-588. ISSN 0018-9197, DOI https://doi.org/10.1109/JQE.2013.2261052 .

Saidin, N. and Halder, A. and Ghosh, D. and Pal, M. and Paul, Mukul Chandra and Bhadra, S.K. and Ali, S.M.M. and Damanhuri, S.S.A. and Ahmad, Harith and Harun, Sulaiman Wadi (2013) 1.9 μm lasing with Tm3+/Yb3+ co-doped air-clad fiber and 931 nm pumping. Microwave and Optical Technology Letters, 55 (5). pp. 1124-1126. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.27523.

Sulaiman, A. and Muhammad, M.Z. and Harun, Sulaiman Wadi and Arof, Hamzah and Ahmad, Harith (2013) Demonstration of acoustic vibration sensor based on microfiber knot resonator. Microwave and Optical Technology Letters, 55 (5). pp. 1138-1141. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.27526.

Tan, S.J. and Harun, Sulaiman Wadi and Ali, N.M. and Ismail, M.A. and Ahmad, Harith (2013) A Multi-Wavelength Brillouin Erbium Fiber Laser With Double Brillouin Frequency Spacing and Q-Switching Characteristics. IEEE Journal of Quantum Electronics, 49 (7). pp. 595-598. ISSN 0018-9197, DOI https://doi.org/10.1109/JQE.2013.2257692.

Yang, H.Z. and Chong, W.Y. and Cheong, Y.K. and Lim, K.S. and Pua, C.H. and Harun, Sulaiman Wadi and Ahmad, Harith (2013) Thermal Regeneration in Etched-Core Fiber Bragg Grating. IEEE Sensors Journal, 13 (7). pp. 2581-2585. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2013.2256344.

Tan, S.J. and Harun, Sulaiman Wadi and Ahmad, Harith (2013) Controllable stretched pulse and dissipative soliton emission using non-linear polarisation rotation and cavity loss tuning mechanism. IET Optoelectronics, 7 (2). pp. 38-41. ISSN 1751-8768, DOI https://doi.org/10.1049/iet-opt.2012.0078 .

Rahman, H.A. and Harun, Sulaiman Wadi and Yasin, M. and Ahmad, Harith (2013) Fiber optic salinity sensor using beam-through technique. Optik, 124 (8). pp. 679-681. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2012.01.020.

Hamzah, A. and Paul, Mukul Chandra and Awang, N.A. and Ahmad, Harith and Pal, M. and Das, S. and Ismail, M.A. and Harun, Sulaiman Wadi (2013) Passively mode-locked erbium doped zirconia fiber laser using a nonlinear polarisation rotation technique. Optics & Laser Technology, 47. pp. 22-25. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2012.08.014.

Ahmad, Harith and Zulkifli, M.Z. and Jemangin, M.H. and Harun, Sulaiman Wadi (2013) Distributed feedback multimode Brillouin–Raman random fiber laser in the S-band. Laser Physics Letters, 10 (5). pp. 1-4. ISSN 1612-2011, DOI https://doi.org/10.1088/1612-2011/10/5/055102.

Harun, Sulaiman Wadi and Lim, K.S. and Tiong, C.K. and Dimyati, K. and Ahmad, Harith (2013) Theoretical analysis and fabrication of tapered fiber. Optik, 124 (6). pp. 538-543. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2011.12.054.

Lim, K.S. and Chiam, Y.S. and Phang, S.W. and Chong, W.Y. and Pua, C.H. and Zulkifli, Ahmad Zarif and Ganesan, I. and Harun, Sulaiman Wadi and Ahmad, Harith (2013) A Polyaniline-Coated Integrated Microfiber Resonator for UV Detection. IEEE Sensors Journal, 13 (5). pp. 2020-2025. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2013.2246915.

Sulaiman, A. and Harun, Sulaiman Wadi and Norizan, S.F. and Dimyati, K. and Ahmad, Harith (2013) Effect of loop diameter on the performance of MKR-based dual-wavelength erbium-doped fiber laser. Microwave and Optical Technology Letters, 55 (2). pp. 236-238. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.27292.

Awang, N.A. and Latif, A.A. and Zulkifli, M.Z. and Ghani, Z.A. and Harun, Sulaiman Wadi and Ahmad, Harith (2013) S + C + L Band tunable wavelength conversion using FWM dual-wavelength fiber laser in a highly nonlinear fiber. Microwave and Optical Technology Letters, 55 (2). pp. 379-382. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.27284.

Jasim, A.A. and Zulkifli, Ahmad Zarif and Muhammad, M.Z. and Harun, Sulaiman Wadi and Ahmad, Harith (2013) A new compact micro-ball lens structure at the cleaved tip of microfiber coupler for displacement sensing. Sensors and Actuators A: Physical, 189. pp. 177-181. ISSN 0924-4247, DOI https://doi.org/10.1016/j.sna.2012.09.003.

Sulaiman, A. and Harun, Sulaiman Wadi and Ahmad, F. and Muhammad, M.Z. and Jasim, A.A. and Ahmad, Harith (2013) Demonstration of microfiber hybrid Mach–Zehnder and knot resonator structure. Microwave and Optical Technology Letters, 55 (1). pp. 100-102. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.27250.

Damanhuri, S.S.A. and Halder, A. and Paul, Mukul Chandra and Ali, S.M.M. and Saidin, N. and Harun, Sulaiman Wadi and Ahmad, Harith and Das, S. and Pal, M. and Bhadra, S.K. (2013) Effects of Yb/Tm Concentration and Pump Wavelength on the Performance of Ytterbium-Sensitized Thulium-Doped Fiber Laser. IEEE Journal of Quantum Electronics, 49 (1). pp. 95-99. ISSN 0018-9197, DOI https://doi.org/10.1109/JQE.2012.2227463 .

Rahman, H.A. and Rahim, H.R.A. and Ahmad, Harith and Yasin, M. and Apsari, R. and Harun, Sulaiman Wadi (2013) Fiber optic displacement sensor for imaging of tooth surface roughness. Measurement, 46 (1). pp. 546-551. ISSN 0263-2241, DOI https://doi.org/10.1016/j.measurement.2012.08.013.

Harun, Sulaiman Wadi and Jasim, A.A. and Rahman, H.A. and Muhammad, M.Z. and Ahmad, Harith (2013) Micro-Ball Lensed Fiber-Based Glucose Sensor. IEEE Sensors Journal, 13 (1). pp. 348-350. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2012.2215958.

Ahmad, Harith and Zulkifli, Ahmad Zarif and Thambiratnam, Kavintheran and Harun, Sulaiman Wadi (2013) Q-switched Zr-EDF laser using single-walled CNT/PEO polymer composite as a saturable absorber. Optical Materials, 35 (3). pp. 347-352. ISSN 0925-3467, DOI https://doi.org/10.1016/j.optmat.2012.09.005.

Moghaddam, M.R.A. and Harun, Sulaiman Wadi and Lim, K.S. and Ahmad, Harith (2013) Stability analysis in a soliton fiber ring laser with a hybrid saturable absorber. Microwave and Optical Technology Letters, 55 (1). pp. 164-170. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.27220.

Lim, K.S. and Yang, H.Z. and Chong, W.Y. and Cheong, Y.K. and Lim, C.H. and Ali, N.M. and Ahmad, Harith (2013) Axial contraction in etched optical fiber due to internal stress reduction. Optics Express, 21 (3). pp. 2551-2562. ISSN 1094-4087, DOI https://doi.org/10.1364/OE.21.002551.

Zulkifli, Ahmad Zarif and Jasim, Ali Abdulhadi and Harun, Sulaiman Wadi and Arof, Hamzah and Dimyati, Kaharudin and Ahmad, Harith (2013) Coupling characteristics of two uniform microfibers. Optoelectronics and Advanced Materials, Rapid Communications, 7 (3-4). pp. 244-247. ISSN 1842-6573,

Jasim, A.A. and Harun, Sulaiman Wadi and Muhammad, M.Z. and Arof, Hamzah and Ahmad, Harith (2013) Current sensor based on inline microfiber Mach–Zehnder interferometer. Sensors and Actuators A: Physical, 192. pp. 9-12. ISSN 0924-4247, DOI https://doi.org/10.1016/j.sna.2012.12.012.

Yasin, M. and Ahmad, Harith and Thambiratnam, Kavintheran and Jasim, A.A. and Phang, S.W. and Harun, Sulaiman Wadi (2013) Design of multimode tapered fibre sensor for glucose detection. Journal of Optoelectronics and Advanced Materials, 7 (5-6). pp. 371-376. ISSN 1454-4164,

Rahman, H.A. and Rahim, H.R.A. and Harun, Sulaiman Wadi and Yasin, M. and Apsari, R. and Ahmad, Harith and Wan Abas, Wan Abu Bakar (2013) Detection of stain formation on teeth by oral antiseptic solution using fiber optic displacement sensor. Optics & Laser Technology, 45 (1). pp. 336-341. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2012.06.027.

Ali, M.M. and Lim, K.S. and Yang, H.Z. and Chong, W.Y. and Lim, W.S. and Ahmad, Harith (2013) Direct period measurement for fiber Bragg grating using an optical imaging technique. Applied Optics, 52 (22). pp. 5393-5397. ISSN 0003-6935, DOI https://doi.org/10.1364/AO.52.005393.

Sulaiman, A. and Muhammad, M.Z. and Ahmad, Harith and Harun, Sulaiman Wadi (2013) Erbium-doped fibre ring laser based on microfibre coupler. Ukrainian Journal of Physical Optics, 14 (4). pp. 196-199. ISSN 1609-1833, DOI https://doi.org/10.3116/16091833/14/4/196/2013.

Parvizi, R. and Shahabuddin, N.S. and Ali, N.M. and Harun, Sulaiman Wadi and Emami, S.D. and Vaseghi, B. and Ahmad, Harith (2013) Generation of efficient 20 GHz optical combs in a Brillouin-erbium fiber laser. Laser Physics, 23 (1). pp. 1-4. ISSN 1054-660X, DOI https://doi.org/10.1088/1054-660X/23/1/015103.

Yap, Y.K. and Huang, N.M. and Harun, Sulaiman Wadi and Ahmad, Harith (2013) Graphene Oxide-Based Q-Switched Erbium-Doped Fiber Laser. Chinese Physics Letters, 30 (2). ISSN 0256-307X, DOI https://doi.org/10.1088/0256-307X/30/2/024208.

Ahmad, Harith and Latif, Amirah Abdul and Abdul Khudus, Muhammad Imran Mustafa and Zulkifli, Ahmad Zarif and Zulkifli, Mohd Zamani and Thambiratnam, Kavintheran and Harun, Sulaiman Wadi (2013) Highly stable graphene-assisted tunable dual-wavelength erbium-doped fiber laser. Applied Optics, 52 (4). pp. 818-823. ISSN 0003-6935, DOI https://doi.org/10.1364/AO.52.000818.

Jasim, A.A. and Harun, Sulaiman Wadi and Arof, Hamzah and Ahmad, Harith (2013) Inline microfiber Mach–Zehnder interferometer for high temperature sensing. IEEE Sensors Journal, 13 (2). pp. 626-628. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2012.2224106.

Tan, S.J. and Jusoh, Z. and Ali, N.M. and Arof, Hamzah and Ahmad, Harith and Harun, Sulaiman Wadi (2013) Investigation of Q-Switching Characteristics in Single- and Double-Spacing Multi-Wavelength Brillouin Erbium Fiber Laser. IEEE Photonics Journal, 5 (4). ISSN 1943-0655, DOI https://doi.org/10.1109/JPHOT.2013.2269675.

Zen, D.I.M. and Saidin, N. and Damanhuri, S.S.A. and Harun, Sulaiman Wadi and Ahmad, Harith and Ismail, M.A. and Dimyati, K. and Halder, A. and Paul, Mukul Chandra and Das, S. and Pal, M. and Bhadra, S.K. (2013) Mode-locked thulium–bismuth codoped fiber laser using graphene saturable absorber in ring cavity. Applied Optics, 52 (6). pp. 1226-1229. ISSN 0003-6935, DOI https://doi.org/10.1364/AO.52.001226.

Shirazi, M.R. and Taib, J.M. and Dimyati, K. and Harun, Sulaiman Wadi and Ahmad, Harith (2013) Multi-wavelength Brillouin-Raman fiber laser generation assisted by multiple four-wave mixing processes in a ring cavity. Laser Physics, 23 (7). pp. 1-4. ISSN 1054-660X, DOI https://doi.org/10.1088/1054-660X/23/7/075108.

Harun, Sulaiman Wadi and Shirazi, Mohammadreza Rezazadeh and Ahmad, Harith (2013) Multiple wavelength Brillouin fiber laser from injection of intense signal light. Laser Physics Letters, 4 (9). pp. 678-680. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200710039.

Harun, Sulaiman Wadi and Emami, Siamak Dawazdah and Rahman, Faidz Abd and Muhd-Yassin, Shahrin Zen and Abd-Rahman, Mohd Kamil and Ahmad, Harith (2013) Multiwavelength Brillouin/Erbium-Ytterbium fiber laser. Laser Physics Letters, 4 (8). pp. 601-603. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200710035.

Muhammad, M.Z. and Jasim, Ali Abdulhadi and Ahmad, Harith and Arof, Hamzah and Harun, Sulaiman Wadi (2013) Non-adiabatic silica microfiber for strain and temperature sensors. Sensors and Actuators A: Physical, 192. pp. 130-132. ISSN 0924-4247, DOI https://doi.org/10.1016/j.sna.2012.12.036.

Ahmad, F. and Harun, Sulaiman Wadi and Nor, Roslan Md and Zulkepely, N.R. and Ahmad, Harith and Shum, P. (2013) A Passively Mode-Locked Erbium-Doped Fiber Laser Based on a Single-Wall Carbon Nanotube Polymer. Chinese Physics Letters, 30 (5). 054210. ISSN 0256-307X, DOI https://doi.org/10.1088/0256-307X/30/5/054210.

Ismail, M.A. and Ahmad, F. and Harun, Sulaiman Wadi and Arof, Hamzah and Ahmad, Harith (2013) A Q-switched erbium-doped fiber laser with a graphene saturable absorber. Laser Physics Letters, 10 (2). ISSN 1612-2011, DOI https://doi.org/10.1088/1612-2011/10/2/025102.

Tan, S.J. and Harun, Sulaiman Wadi and Ahmad, F. and Nor, Roslan Md and Zulkepely, N.R. and Ahmad, Harith (2013) A Q-switched multi-wavelength Brillouin erbium fiber laser with a single-walled carbon nanotube saturable absorber. Laser Physics, 23 (5). 055101. ISSN 1054-660X, DOI https://doi.org/10.1088/1054-660X/23/5/055101.

Ahmad, Harith and Muhammad, F.D. and Zulkifli, M.Z. and Harun, Sulaiman Wadi (2013) Q-switched pulse generation from an all-fiber distributed Bragg reflector laser using graphene as saturable absorber. Chinese Optics Letters, 11 (7). 071401. ISSN 1671-7694,

Ahmad, Harith and Thambiratnam, K. and Zulkifli, Ahmad Zarif and Lawrence, A. and Jasim, A.A. and Kunasekaran, W. and Musa, S. and Gnanasegaran, N. and Vasanthan, P. and Jayaraman, P. and Kasim, N.H.A. and Govindasamy, V. and Shahrir, M.S. and Harun, Sulaiman Wadi (2013) Quantification of Mesenchymal Stem Cell Growth Rates through Secretory and Excretory Biomolecules in Conditioned Media via Fresnel Reflection. Sensors, 13 (10). pp. 13276-13288. ISSN 1424-8220, DOI https://doi.org/10.3390/s131013276.

Yang, H.Z. and Lim, K.S. and Qiao, X.G. and Chong, W.Y. and Cheong, Y.K. and Lim, W.H. and Lim, W.S. and Ahmad, Harith (2013) Reflection spectra of etched FBGs under the influence of axial contraction and stress-induced index change. Optics Express, 21 (12). pp. 14808-14815. ISSN 1094-4087, DOI https://doi.org/10.1364/OE.21.014808.

Ahmad, Harith and Zulkifli, M.Z. and Hassan, N.A. and Muhammad, F.D. and Harun, Sulaiman Wadi (2013) S-C-L triple wavelength superluminescent source based on an ultra-wideband SOA and FBGs. Quantum Electronics, 43 (10). pp. 923-926. ISSN 1063-7818, DOI https://doi.org/10.1070/QE2013v043n10ABEH015028.

Zulkifli, M.Z. and Ahmad, Harith and Taib, J.M. and Muhammad, F.D. and Dimyati, K. and Harun, Sulaiman Wadi (2013) S-band multiwavelength Brillouin/Raman distributed Bragg reflector fiber lasers. Applied Optics, 52 (16). pp. 3753-3756. ISSN 0003-6935, DOI https://doi.org/10.1364/AO.52.003753.

Harun, Sulaiman Wadi and Saidin, N. and Zen, D.I.M. and Ali, N.M. and Ahmad, Harith and Ahmad, F. and Dimyati, K. (2013) Self-Starting Harmonic Mode-Locked Thulium-Doped Fiber Laser with Carbon Nanotubes Saturable Absorber. Chinese Physics Letters, 30 (9). ISSN 0256-307X, DOI https://doi.org/10.1088/0256-307X/30/9/094204.

Saidin, N. and Zen, D.I.M. and Damanhuri, S.S.A. and Harun, Sulaiman Wadi and Ahmad, Harith and Ahmad, F. and Dimyati, K. and Halder, A. and Paul, Mukul Chandra and Pal, M. and Bhadra, S.K. (2013) Self-starting harmonic mode-locked Tm-Bi co-doped germanate fiber laser with carbon nanotube-based saturable absorber. Chinese Optics Letters, 11 (6). 063201. ISSN 1671-7694,

Lim, K.S. and Yang, H.Z. and Becir, A. and Lai, M.H. and Ali, M.M. and Qiao, X.G. and Ahmad, Harith (2013) Spectral analysis of bent fiber Bragg gratings: theory and experiment. Optics Letters, 38 (21). pp. 4409-4412. ISSN 0146-9592, DOI https://doi.org/10.1364/OL.38.004409.

Tan, S.J. and Harun, Sulaiman Wadi and Arof, Hamzah and Ahmad, Harith (2013) Switchable Q-switched and mode-locked erbium-doped fiber laser operating in the L-band region. Chinese Optics Letters, 11 (7). 073201. ISSN 1671-7694,

Saidin, N. and Harun, Sulaiman Wadi and Damanhuri, S.S.A. and Ali, S.M.M. and Ahmad, Harith and Halder, A. and Paul, Mukul Chandra and Das, S. and Pal, M. and Bhadra, S.K. (2013) A Tm-Bi Co-Doped Fiber Laser with Dual Pumping Operation. Chinese Physics Letters, 30 (3). ISSN 0256-307X, DOI https://doi.org/10.1088/0256-307X/30/3/034204.

Ahmad, Harith and Zulkifli, M.Z. and Muhammad, F.D. and Zulkifli, Ahmad Zarif and Harun, Sulaiman Wadi (2013) Tunable graphene-based Q-switched erbium-doped fiber laser using fiber Bragg grating. Journal of Modern Optics, 60 (3). pp. 202-212. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2013.766767.

Ahmad, Harith and Latif, A.A. and Talib, J.M. and Harun, Sulaiman Wadi (2013) Tunable, low frequency microwave generation from AWG based closely-spaced dual-wavelength single-longitudinal-mode fibre laser. Journal of the European Optical Society, 8. ISSN 1990-2573, DOI https://doi.org/10.2971/jeos.2013.13038.

Harun, Sulaiman Wadi and Rahman, Faidz Abd and Dimyati, Kaharudin and Ahmad, Harith (2013) An efficient gain-flattened C-band Erbium-doped fiber amplifier. Laser Physics Letters, 3 (11). pp. 536-538. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200610048.

Harun, Sulaiman Wadi and Rahman, Faidz Abd and Dimyati, Kaharudin and Ahmad, Harith (2013) An efficient multiwavelength light source based on ASE slicing. Laser Physics Letters, 3 (10). pp. 495-497. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200610037.

Shirazi, Mohammadreza Rezazadeh and Shahabuddin, Nurul Shahrizan and Aziz, Siti Narimah and Thambiratnam, K. and Harun, Sulaiman Wadi and Ahmad, Harith (2013) A linear cavity Brillouin fiber laser with multiple wavelengths output. Laser Physics Letters, 5 (5). pp. 361-363. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200710134.

Harun, Sulaiman Wadi and Shirazi, Mohammadreza Rezazadeh and Ahmad, Harith (2013) A new configuration of multi-wavelength Brillouin fiber laser. Laser Physics Letters, 5 (1). pp. 48-50. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200710069.

Yasin, Moh and Harun, Sulaiman Wadi and Abdul-Rashid, Hairul Azhar and Kusminarto, - and Karyono, - and Ahmad, Harith (2013) The performance of a fiber optic displacement sensor for different types of probes and targets. Laser Physics Letters, 5 (1). pp. 55-58. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200710080.

Ahmad, Harith and Awang, Noor Azura and Paul, Mukul Chandra and Pal, Mrinmay and Latif, Amirah Abdul and Harun, Sulaiman Wadi (2012) All fiber passively mode locked zirconium-based erbium-doped fiber laser. Optics & Laser Technology, 44 (3). pp. 534-537. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2011.08.022.

Fatehi, Hossein and Emami, Siamak Dawazdah and Zarifi, Atiyeh and Zahedi, Fatemeh Zahra and Mirnia, Seyed Edriss and Zarei, Arman and Ahmad, Harith and Harun, Sulaiman Wadi (2012) Analytical Model for Broadband Thulium-Bismuth-Doped Fiber Amplifier. IEEE Journal of Quantum Electronics, 48 (8). pp. 1052-1058. ISSN 0018-9197, DOI https://doi.org/10.1109/JQE.2012.2199739.

Shahabuddin, Nurul Shahrizan and Mohamad, Hafizah and Mahdi, Mohd Adzir and Yusoff, Zulfadzli and Ahmad, Harith and Harun, Sulaiman Wadi (2012) Broad spectral sliced multiwavelength source with a mode locked fiber laser. Laser Physics, 22 (1). pp. 212-215. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X11230162.

Moghaddam, M.R.A. and Harun, Sulaiman Wadi and Shahi, Sharifeh and Ahmad, Harith (2012) Broadband amplifier and high performance tunable laser with an extinction ratio of higher than 60 dB using bismuth oxide-based erbium-doped fiber. Journal of Modern Optics, 59 (12). pp. 1106-1112. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2012.695806.

Sulaiman, A. and Harun, Sulaiman Wadi and Arof, Hamzah and Ahmad, Harith (2012) Compact and tunable Erbium-Doped fiber laser with microfiber Mach–Zehnder interferometer. IEEE Journal of Quantum Electronics, 48 (9). ISSN 0018-9197,

Cheng, X.S. and Hamida, B.A. and Naji, A.W. and Arof, Hamzah and Ahmad, Harith and Harun, Sulaiman Wadi (2012) Compact and wide-band bismuth-based erbium-doped fibre amplifier based on two-stage and double-pass approaches. IET Optoelectronics, 6 (3). pp. 127-130. ISSN 1751-8768,

Sulaiman, Azlan and Harun, Sulaiman Wadi and Aryanfar, Iman and Ahmad, Harith (2012) DC current sensing capability of microfibre Mach-Zehnder interferometer. Electronics Letters, 48 (15). pp. 943-945. ISSN 0013-5194, DOI https://doi.org/10.1049/el.2012.1435.

Pua, Chang Hong and Ahmad, Harith and Harun, Sulaiman Wadi and De La Rue, Richard M. (2012) Direct airborne acoustic wave modulation of Fabry–Perot fiber laser (FPFL) over 100 kHz of operating bandwidth. Applied Optics, 51 (15). p. 2772. ISSN 1559-128X, DOI https://doi.org/10.1364/AO.51.002772.

Tan, S.J. and Harun, Sulaiman Wadi and Shahabuddin, N.S. and Arof, Hamzah and Ahmad, Harith (2012) Dual-cavity dual-output multi-wavelength fiber laser based on nonlinear polarization rotation effect. Laser Physics, 22 (10). pp. 1601-1605. ISSN 1054-660X,

Sulaiman, A. and Harun, Sulaiman Wadi and Ahmad, F. and Arof, Hamzah and Ahmad, Harith (2012) Dual-wavelength laser generation using highly concentrated erbium-doped fibre coupling with microfibre knot resonator. Electronics Letters, 48 (5). ISSN 0013-5194,

Tan, S.J. and Ismail, M.A. and Shahabuddin, N.S. and Ahmad, Harith and Arof, Hamzah and Harun, Sulaiman Wadi (2012) Effect of doped fiber length on the stretch pulses of a mode-locked erbium-doped fiber laser. Laser Physics, 22 (7). pp. 1240-1243. ISSN 1054-660X,

Emami, Siamak Dawazdah and Abdul-Rashid, Hairul Azhar and Ahmad, Harith and Ahmadi, A. and Harun, Sulaiman Wadi (2012) Effect of transverse distribution profile of thulium on the performance of thulium-doped fibre amplifiers. Ukrainian Journal of Physical Optics, 13 (2). pp. 74-81. ISSN 1609-1833, DOI https://doi.org/10.3116/16091833/13/2/74/2012.

Sulaiman, Azlan and Harun, Sulaiman Wadi and Ahmad, Fauzan and Norizan, Siti Fatimah and Ahmad, Harith (2012) Electrically Tunable Microfiber Knot Resonator Based Erbium-Doped Fiber Laser. IEEE Journal of Quantum Electronics, 48 (4). pp. 443-446. ISSN 0018-9197, DOI https://doi.org/10.1109/JQE.2012.2184525.

Ahmad, Harith and Zulkifli, Mohd Zamani and Hassan, Nor Ahya and Harun, Sulaiman Wadi (2012) Enhancement of Brillouin Stokes generation in the S-band region using a combination S-band Depressed Cladding Erbium Doped Fiber and Semiconductor Optical Amplifier. Laser Physics, 22 (3). pp. 598-604. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X12030012.

Sulaiman, Azlan and Harun, Sulaiman Wadi and Ahmad, Harith (2012) Erbium-Doped Fiber Laser With a Microfiber Coupled to Silica Microsphere. IEEE Photonics Journal, 4 (4). pp. 1065-1070. ISSN 1943-0655, DOI https://doi.org/10.1109/JPHOT.2012.2204238.

Jasim, Ali Abdulhadi and Zulkifli, Ahmad Zarif and Muhammad, Munir Zuhdin and Ahmad, Harith and Harun, Sulaiman Wadi (2012) Fabrication and Characterization of a 2 × 2 Microfiber Knot Resonator Coupler. Chinese Physics Letters, 29 (8). 084204. ISSN 0256-307X, DOI https://doi.org/10.1088/0256-307X/29/8/084204.

Rahman, Husna Abdul and Che Ani, Adi Izhar and Harun, Sulaiman Wadi and Yasin, Moh and Apsari, Retna and Ahmad, Harith (2012) Feasibility of fiber optic displacement sensor scanning system for imaging of dental cavity. Journal of Biomedical Optics, 17 (7). 071308. ISSN 1083-3668, DOI https://doi.org/10.1117/1.JBO.17.7.071308.

Rahman, Husna Abdul and Harun, Sulaiman Wadi and Saidin, Norazlina and Yasin, Moh and Ahmad, Harith (2012) Fiber Optic Displacement Sensor for Temperature Measurement. IEEE Sensors Journal, 12 (5). pp. 1361-1364. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2011.2172409.

Ahmad, Harith and Yasin, Moh and Thambiratnam, Kavintheran and Harun, Sulaiman Wadi (2012) Fiber optic displacement sensor for micro‐thickness measurement. Sensor Review, 32 (3). pp. 230-235. ISSN 0260-2288, DOI https://doi.org/10.1108/02602281211233223.

Yasin, Moh and Rahman, Husna Abdul and Bidin, Noriah and Harun, Sulaiman Wadi and Ahmad, Harith (2012) Fiber optic displacement sensor using fiber coupler probe and real objects. Sensor Review, 32 (3). pp. 212-216. ISSN 0260-2288, DOI https://doi.org/10.1108/02602281211233197.

Rahman, Husna Abdul and Harun, Sulaiman Wadi and Yasin, Moh and Ahmad, Harith (2012) Fiber-Optic Salinity Sensor Using Fiber-Optic Displacement Measurement With Flat and Concave Mirror. IEEE Journal of Selected Topics in Quantum Electronics, 18 (5). pp. 1529-1533. ISSN 1077-260X, DOI https://doi.org/10.1109/JSTQE.2011.2159705.

Ahmad, Harith and Paul, Mukul Chandra and Awang, Noor Azura and Harun, Sulaiman Wadi and Pal, Mrinmay and Thambiratnam, Kavintheran (2012) Four-Wave-Mixing in Zirconia-Yttria-Aluminum Erbium Codoped Silica Fiber. Journal of the European Optical Society: Rapid Publications, 7. p. 12011. ISSN 1990-2573, DOI https://doi.org/10.2971/jeos.2012.12011.

Ahmad, Harith and Awang, Noor Azura and Latif, Amirah Abdul and Harun, Sulaiman Wadi (2012) Generation of high power pulse of Bi-EDF and octave spanning supercontinuum using highly nonlinear fiber. Microwave and Optical Technology Letters, 54 (4). pp. 983-987. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.26744.

Muhammad, Farah Diana and Zulkifli, Mohd Zamani and Latif, Amirah Abdul and Harun, Sulaiman Wadi and Ahmad, Harith (2012) Graphene-Based Saturable Absorber for Single-Longitudinal-Mode Operation of Highly Doped Erbium-Doped Fiber Laser. IEEE Photonics Journal, 4 (2). pp. 467-475. ISSN 1943-0655, DOI https://doi.org/10.1109/JPHOT.2012.2190498.

Yap, Yuen Kiat and De La Rue, Richard Michael and Pua, Chang Hong and Harun, Sulaiman Wadi and Ahmad, Harith (2012) Graphene-based Q-switched pulsed fiber laser in a linear configuration. Chinese Optics Letters, 10 (4). 041405-41408. ISSN 1671-7694, DOI https://doi.org/10.3788/COL201210.041405.

Ahmad, Harith and Latif, Amirah Abdul and Zulkifli, Mohd Zamani and Awang, Noor Azura and Harun, Sulaiman Wadi (2012) High power dual-wavelength tunable fiber laser in linear and ring cavity configurations. Chinese Optics Letters, 10 (1). 010603-10606. ISSN 1671-7694, DOI https://doi.org/10.3788/COL201210.010603.

Lim, Kok Sing and Aryanfar, Iman and Chong, Wu Yi and Cheong, Yew Ken and Harun, Sulaiman Wadi and Ahmad, Harith (2012) Integrated Microfibre Device for Refractive Index and Temperature Sensing. Sensors, 12 (9). pp. 11782-11789. ISSN 1424-8220, DOI https://doi.org/10.3390/s120911782.

Parvizi, R. and Harun, Sulaiman Wadi and Ali, N.M. and Arof, Hamzah and Ahmad, Harith (2012) Investigation on threshold power of stimulated Brillouin scattering in photonic crystal fiber. Optik, 123. pp. 1149-1152. ISSN 0030-4026,

Sulaiman, Azlan and Harun, Sulaiman Wadi and Lim, Kok Sing and Ahmad, Fauzan and Ahmad, Harith (2012) Microfiber Mach-Zehnder interferometer embedded in low index polymer. Optics & Laser Technology, 44 (4). pp. 1186-1189. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2011.09.032.

Harun, Sulaiman Wadi and Lim, Kok Sing and Ahmad, Harith (2012) Microfiber structures for sensor applications. Journal of Nonlinear Optical Physics & Materials, 21 (01). p. 1250003. ISSN 0218-8635, DOI https://doi.org/10.1142/S0218863512500038.

Parvizi, Roghaieh and Ali, Norfizah Md and Harun, Sulaiman Wadi and Emami, Siamak Dawazdah and Ahmad, Harith (2012) Multi-wavelength Brillouin fiber laser generation using dual-pass approach. Laser Physics, 22 (3). pp. 584-587. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X12030152.

Shahabuddin, Nurul Shahrizan and Ismail, Mohd Afiq and Paul, Mukul Chandra and Damanhuri, Siti Sarah Ahmad and Harun, Sulaiman Wadi and Ahmad, Harith and Pal, Mrinmay and Bhadra, Shyamal Kumar (2012) Multi-wavelength ytterbium doped fiber laser based on longitudinal mode interference. Laser Physics, 22 (1). pp. 252-255. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X12010173.

Ismail, Mohd Afiq and Harun, Sulaiman Wadi and Zulkepely, Nurul Rozullyah and Nor, Roslan Md and Ahmad, Fauzan and Ahmad, Harith (2012) Nanosecond soliton pulse generation by mode-locked erbium-doped fiber laser using single-walled carbon-nanotube-based saturable absorber. Applied Optics, 51 (36). pp. 8621-8624. ISSN 1559-128X, DOI https://doi.org/10.1364/AO.51.008621.

Hamida, Belal Ahmed and Cheng, Xiau San and Naji, Ahmed Wathik and Ahmad, Harith and Al-Khateeb, Wajdi Fawzi Mohammed and Khan, Sheroz and Harun, Sulaiman Wadi (2012) Optical amplifier with flat-gain and wideband operation utilizing highly concentrated erbium-doped fibers. Journal of Nonlinear Optical Physics & Materials, 21 (01). p. 1250005. ISSN 0218-8635, DOI https://doi.org/10.1142/S0218863512500051.

Shahabuddin, Nurul Shahrizan and Mohamad, Hafizah and Mahdi, Mohd Adzir and Yusoff, Zulfadzli and Ahmad, Harith and Harun, Sulaiman Wadi (2012) Passively mode-locked soliton fiber laser using a combination of saturable absorber and nonlinear polarization rotation technique. Microwave and Optical Technology Letters, 54 (6). pp. 1430-1432. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.26850.

Ismail, M.A. and Tan, S.J. and Shahabuddin, N.S. and Harun, Sulaiman Wadi and Arof, Hamzah and Ahmad, Harith (2012) Performance comparison of mode-locked erbium-doped fiber laser with nonlinear polarization rotation and saturable absorber approaches. Chinese Physics Letters, 29 (5). ISSN 0256-307X,

Harun, Sulaiman Wadi and Ismail, M.A. and Ahmad, F. and Ismail, M.F. and Nor, Roslan Md and Zulkepely, N.R. and Ahmad, Harith (2012) A Q-switched erbium-doped fiber laser with a carbon nanotube based saturable absorber. Chinese Physics Letters, 29 (11). ISSN 0256-307X, DOI https://doi.org/10.1088/0256-307x/29/11/114202.

Chong, Su Sin and Chong, Wu Yi and Harun, Sulaiman Wadi and Ahmad, Harith (2012) Regenerated fibre Bragg grating fabricated on high germanium concentration photosensitive fibre for sensing at high temperature. Optics & Laser Technology, 44 (4). pp. 821-824. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2011.11.024.

Emami, Siamak Dawazdah and Abdul-Rashid, Hairul Azhar and Yasin, S.Z.M. and Shariff, K.A.M. and Mirnia, Seyed Edriss and Parvizi, Amin and Ahmad, Harith and Harun, Sulaiman Wadi (2012) S-band gain and noise figure improvements in thulium-doped fiber amplifier by using macro-bending approach. Applied Physics B, 108 (4). pp. 807-813. ISSN 0946-2171, DOI https://doi.org/10.1007/s00340-012-5216-1.

Ahmad, Harith and Zulkifli, Mohd Zamani and Hassan, Nor Ahya and Harun, Sulaiman Wadi (2012) S-band multiwavelength ring Brillouin/Raman fiber laser with 20 GHz channel spacing. Applied Optics, 51 (11). pp. 1811-1815. ISSN 1559-128X, DOI https://doi.org/10.1364/AO.51.001811.

Shahabuddin, Nurul Shahrizan and Ahmad, Harith and Yusoff, Zulfadzli and Harun, Sulaiman Wadi (2012) Spacing-Switchable Multiwavelength Fiber Laser Based on Nonlinear Polarization Rotation and Brillouin Scattering in Photonic Crystal Fiber. IEEE Photonics Journal, 4 (1). pp. 34-38. ISSN 1943-0655, DOI https://doi.org/10.1109/JPHOT.2011.2178400.

Chong, W.Y. and Lim, K.S. and Lim, W.H. and Harun, Sulaiman Wadi and Adikan, Faisal Rafiq Mahamd and Ahmad, Harith (2012) Spreading profile of evaporative liquid drops in thin porous layer. Physical Review E, 85 (1). 016314. ISSN 1539-3755,

Ahmad, Harith and Thambiratnam, Kavintheran and Awang, Noor Azura and Jemangin, M.H. and Harun, Sulaiman Wadi (2012) Stable zirconia-erbium doped multiwavelength fiber laser by precise control of polarization states. Laser Physics, 22 (5). pp. 982-985. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X12050015.

Shahabuddin, N.S. and Awang, N.A. and Ahmad, Harith and Arof, Hamzah and Dimyati, K. and Yusoff, Z. and Harun, Sulaiman Wadi (2012) Supercontinuum generation using a passive mode-locked stretched-pulse bismuth-based erbium-doped fiber laser. Optics & Laser Technology, 44. pp. 741-743. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2011.11.039.

Ahmad, Harith and Latif, Amirah Abdul and Zulkifli, Mohd Zamani and Awang, Noor Azura and Harun, Sulaiman Wadi (2012) Temperature Sensing Using Frequency Beating Technique From Single-Longitudinal Mode Fiber Laser. IEEE Sensors Journal, 12 (7). pp. 2496-2500. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2012.2191401.

Ahmad, Harith and Aryanfar, Iman and Lim, Kok Sing and Chong, Wu Yi and Harun, Sulaiman Wadi (2012) Thermal response of chalcogenide microsphere resonators. Quantum Electronics, 42 (5). pp. 462-464. ISSN 1063-7818, DOI https://doi.org/10.1070/QE2012v042n05ABEH014813.

Jasim, Ali Abdulhadi and Lim, Kok Sing and Muhammad, Munir Zuhdin and Arof, Hamzah and Ahmad, Harith and Harun, Sulaiman Wadi (2012) Transmission characteristic of multi-turn microfiber coil resonator. Optics & Laser Technology, 44 (6). pp. 1791-1795. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2012.01.035.

Ahmad, Harith and Muhammad, Farah Diana and Zulkifli, Mohd Zamani and Latif, Amirah Abdul and Harun, Sulaiman Wadi (2012) Tunable Radio Frequency Generation Using a Graphene-Based Single Longitudinal Mode Fiber Laser. Journal of Lightwave Technology, 30 (13). pp. 2097-2102. ISSN 0733-8724, DOI https://doi.org/10.1109/JLT.2012.2192099.

Sulaiman, Azlan and Harun, Sulaiman Wadi and Ahmad, Fauzan and Norizan, Siti Fatimah and Ahmad, Harith (2012) Tunable laser generation with erbium-doped microfiber knot resonator. Laser Physics, 22 (3). pp. 588-591. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X12030218.

Ahmad, Harith and Zulkifli, Mohd Zamani and Latif, Amirah Abdul and Jemangin, M.H. and Chong, Su Sin and Harun, Sulaiman Wadi (2012) Tunable single longitudinal mode S-band fiber laser using a 3 m length of erbium-doped fiber. Journal of Modern Optics, 59 (3). pp. 268-273. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2011.626900.

Ali, Norfizah Md and Harun, Sulaiman Wadi and Dimyati, Kaharudin and Ahmad, Harith (2012) Tuneable high output power Brillouin fiber laser. Journal of Optoelectronics and Advanced Materials, 14 (1-2). pp. 13-17. ISSN 1454-4164,

Halder, Arindam and Paul, Mukul Chandra and Damanhuri, Siti Sarah Ahmad and Huri, N.A.D. and Hamzah, Azura and Harun, Sulaiman Wadi and Ahmad, Harith and Das, Sourav and Pal, Mrinmay and Bhadra, Shyamal Kumar (2012) Upconversion luminescence in Tm3+/Yb3+co-doped double-clad silica fibers under 980 nm cladding pumping. Journal of Modern Optics, 59 (6). pp. 527-532. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2011.636154.

Halder, Arindam and Paul, Mukul Chandra and Shahabuddin, Nurul Shahrizan and Harun, Sulaiman Wadi and Saidin, Norazlina and Damanhuri, Siti Sarah Ahmad and Ahmad, Harith and Das, Shyamal and Pal, Mrinmay and Bhadra, Shyamal Kumar (2012) Wideband Spectrum-Sliced ASE Source Operating at 1900-nm Region Based on a Double-Clad Ytterbium-Sensitized Thulium-Doped Fiber. IEEE Photonics Journal, 4 (1). pp. 14-18. ISSN 1943-0655, DOI https://doi.org/10.1109/JPHOT.2011.2177651.

Hamida, B.A. and Cheng, X.S. and Harun, Sulaiman Wadi and Naji, A.W. and Arof, Hamzah and Khan, S. and Alkhateeb, W. and Ahmad, Harith (2012) Wideband and compact erbium-doped fiber amplifier using parallel double-pass configuration. Quantum Electronics, 54 (3). pp. 629-631. ISSN 1063-7818,

Hamida, Belal Ahmed and Cheng, Xiau San and Harun, Sulaiman Wadi and Naji, Ahmed Wathik and Arof, Hamzah and Al-Khateeb, Wajdi Fawzi Mohammed and Khan, Sheroz and Ahmad, Harith (2012) Wideband and flat-gain amplifier based on high concentration erbium-doped fibres in parallel double-pass configuration. Quantum Electronics, 42 (3). pp. 241-243. ISSN 1063-7818, DOI https://doi.org/10.1070/QE2012v042n03ABEH014696.

Parvizi, Roghaieh and Arof, Hamzah and Ali, Norfizah Md and Ahmad, Harith and Harun, Sulaiman Wadi (2011) 0.16nm spaced multi-wavelength Brillouin fiber laser in a figure-of-eight configuration. Optics & Laser Technology, 43 (4). pp. 866-869. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2010.10.008.

Cheng, Xiau S. and Hamida, Belal Ahmed and Naji, Ahmed Wathik and Ahmad, Harith and Harun, Sulaiman Wadi (2011) 67 cm long bismuth-based erbium doped fiber amplifier with wideband operation. Laser Physics Letters, 8 (11). pp. 814-817. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.201110061.

Parvizi, Roghaieh and Ali, Norfizah Md and Harun, Sulaiman Wadi and Ahmad, Harith (2011) Architecture of a dual-wavelength brillouin fibre laser based on a photonic crystal fibre with dual-pass amplification configuration. Lasers in Engineering, 21 (3-4). pp. 209-216. ISSN 0898-1507,

Hamzah, Azura and Paul, Mukul Chandra and Harun, Sulaiman Wadi and Huri, N.A.D. and Lokman, Asiah and Pal, Mrinmay and Das, Swapan Kumar and Bhadra, Shyamal Kumar and Ahmad, Harith and Yoo, Seong Woo and Kalita, Mridu P. and Boyland, Alexander J. and Sahu, Jayanta Kumar S. (2011) Compact fiber laser at L-band region using Erbium-doped Zirconia fiber. Laser Physics, 21 (1). pp. 176-179. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X10230040.

Lim, Kok Sing and Harun, Sulaiman Wadi and Damanhuri, Siti Sarah Ahmad and Jasim, Ali Abdulhadi and Tio, C.K. and Ahmad, Harith (2011) Current sensor based on microfiber knot resonator. Sensors and Actuators A: Physical, 167 (1). pp. 60-62. ISSN 0924-4247, DOI https://doi.org/10.1016/j.sna.2011.02.036.

Harun, Sulaiman Wadi and Paul, Mukul Chandra and Huri, N.A.D. and Hamzah, Azura and Das, Shyamsundar P. and Pal, Mrinmay and Bhadra, Shyamal Kumar and Ahmad, Harith and Yoo, Seong Woo and Kalita, Mridu P. and Boyland, Alexander J. and Sahu, Jayanta Kumar S. (2011) Double-pass erbium-doped zirconia fiber amplifier for wide-band and flat-gain operations. Optics & Laser Technology, 43 (7). pp. 1279-1281. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2011.03.023.

Moghaddam, M.R.A. and Harun, Sulaiman Wadi and Shahi, S. and Ahmad, Harith (2011) Dual wavelength high power double-clad erbium/ytterbium-doped fiber laser. Journal of Nonlinear Optical Physics & Materials, 20 (4). pp. 443-451.

Latif, Amirah Abdul and Awang, Noor Azura and Zulkifli, Mohd Zamani and Harun, Sulaiman Wadi and Ghani, Zawajer A. and Ahmad, Harith (2011) Dual-wavelength tunable fibre laser with a 15-dBm peak power. Quantum Electronics, 41 (8). pp. 709-714. ISSN 1063-7818, DOI https://doi.org/10.1070/QE2011v041n08ABEH014547.

Shahabuddin, Nurul Shahrizan and Ahmad, Harith and Othman, M. and Md Ali, Sawal Hamid and Yusoff, Zulfadzli and Harun, Sulaiman Wadi (2011) An Efficient Photonic Crystal Fiber-Based Brillouin Erbium Fiber Laser Using a Fiber Bragg Grating for Multi-Wavelength Generation. Fiber and Integrated Optics, 30 (4). pp. 259-264. ISSN 0146-8030, DOI https://doi.org/10.1080/01468030.2011.584954.

Yang, Hang Zhou and Harun, Sulaiman Wadi and Arof, Hamzah and Ahmad, Harith (2011) Environment-independent liquid level sensing based on fiber-optic displacement sensors. Microwave and Optical Technology Letters, 53 (11). pp. 2451-2453. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.26358.

Moghaddam, M.R.A. and Harun, Sulaiman Wadi and Parvizi, Roghaieh and Salleh, Z.S. and Arof, Hamzah and Lokman, Asiah and Ahmad, Harith (2011) Experimental and theoretical studies on ytterbium sensitized erbium-doped fiber amplifier. Optik, 122 (20). pp. 1783-1786. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2010.10.038.

Lim, Kok Sing and Harun, Sulaiman Wadi and Jasim, Ali Abdulhadi and Ahmad, Harith (2011) Fabrication of microfiber loop resonator-based comb filter. Microwave and Optical Technology Letters, 53 (5). pp. 1119-1121. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.25916.

Harun, Sulaiman Wadi and Saidin, Norazlina and Damanhuri, Siti Sarah Ahmad and Ahmad, Harith and Halder, Arindam and Paul, Mukul Chandra and Das, S. and Pal, Mrinmay and Bhadra, Shyamal Kumar (2011) Fiber laser at 2 micron region using double-clad thulium/ytterbium co-doped yttria-alumino-silicate fiber. Laser Physics Letters, 9 (1). pp. 50-53. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.201110084.

Yasin, Moh and Jusoh, Zulzilawati and Rahman, Husna Abdul and Ashadi, M.D. and Harun, Sulaiman Wadi and Ahmad, Harith (2011) Fiber optic angle sensor based on flat and concave mirror using a multimode fused coupler. Journal of Optoelectronics and Advanced Materials, 13 (10). pp. 1199-1202. ISSN 1454-4164,

Yasin, Moh and Harun, Sulaiman Wadi and Tan, C.F. and Phang, Sook Wai and Ahmad, Harith (2011) Fiber optic chemical sensor using fiber coupler probe based on intensity modulation for alcohol detection. Microwave and Optical Technology Letters, 53 (8). pp. 1935-1938. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.26124.

Yasin, Moh and Harun, Sulaiman Wadi and Ahmad, Harith (2011) Fiber optic displacement sensor based on micro-thickness measurement using bundled fiber and concave mirror. Journal of Optoelectronics and Advanced Materials, 13 (8). pp. 933-935. ISSN 1454-4164,

Ahmad, Harith and Awang, Noor Azura and Harun, Sulaiman Wadi (2011) Fiber optical based parametric amplifier in a highly nonlinear fiber (HNLF) by using a ring configuration. Journal of Modern Optics, 58 (12). pp. 1065-1069. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2011.596629.

Ahmad, Harith and Latif, Amirah Abdul and Norizan, Siti Fatimah and Zulkifli, Mohd Zamani and Harun, Sulaiman Wadi (2011) Flat and compact switchable dual wavelength output at 1060nm from ytterbium doped fiber laser with an AWG as a wavelength selector. Optics & Laser Technology, 43 (3). pp. 550-554. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2010.07.013.

Moghaddam, M.R.A. and Harun, Sulaiman Wadi and Akbari, Reza and Ahmad, Harith (2011) Flatly broadened supercontinuum generation in nonlinear fibers using a mode locked bismuth oxide based erbium doped fiber laser. Laser Physics Letters, 8 (5). pp. 369-375. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.201010137.

Awang, Noor Azura and Ahmad, Harith and Latif, Amirah Abdul and Zulkifli, Mohd Zamani and Harun, Sulaiman Wadi (2011) Four-wave mixing in dual wavelength fiber laser utilizing SOA for wavelength conversion. Optik, 122 (9). pp. 754-757. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2010.05.018.

Zulkifli, Mohd Zamani and Jemangin, M.H. and Harun, Sulaiman Wadi and Ahmad, Harith (2011) Gain-flattened S-band depressed cladding erbium doped fiber amplifier with a flat bandwidth of 12 nm using a Tunable Mach-Zehnder Filter. Laser Physics, 21 (9). pp. 1633-1637. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X11170348.

Ahmad, Harith and Zulkifli, Mohd Zamani and Hassan, Nor Ahya and Latif, Amirah Abdul and Harun, Sulaiman Wadi (2011) High gain S-band semiconductors optical amplifier with double-pass configuration. Laser Physics, 21 (7). pp. 1208-1211. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X11130019.

Ahmad, Harith and Moghaddam, M.R.A. and Arof, Hamzah and Harun, Sulaiman Wadi (2011) High output power, narrow linewidth Brillouin fibre laser master-oscillator/power-amplifier source. IET Optoelectronics, 5 (4). pp. 181-183. ISSN 1751-8768, DOI https://doi.org/10.1049/iet-opt.2010.0078.

Cheng, Xiau S. and Hamida, Belal Ahmed and Arof, Hamzah and Ahmad, Harith and Harun, Sulaiman Wadi (2011) Highly efficient short length Bismuth-based erbium-doped fiber amplifier. Laser Physics, 21 (10). pp. 1793-1796. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X11170038.

Huri, N.A.D. and Hamzah, Azura and Arof, Hamzah and Ahmad, Harith and Harun, Sulaiman Wadi (2011) Hybrid flat gain C-band optical amplifier with Zr-based erbium-doped fiber and semiconductor optical amplifier. Laser Physics, 21 (1). pp. 202-204. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X11010099.

Harun, Sulaiman Wadi and Lim, Kok Sing and Ahmad, Harith (2011) Investigation of dispersion characteristic in tapered fiber. Laser Physics, 21 (5). pp. 945-947. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X11090118.

Ahmad, Harith and Norizan, Siti Fatimah and Zulkifli, Mohd Zamani and Pua, Chang Hong and Ghani, Zawajer A. and Harun, Sulaiman Wadi (2011) Investigation of the effects of SOA locations in the linear cavity of an O-band Brillouin SOA fiber laser. Journal of Modern Optics, 58 (7). pp. 580-586. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2011.554894.

Ahmad, Harith and Parvizi, Roghaieh and Ali, Norfizah Md and Shahabuddin, Nurul Shahrizan and Arof, Hamzah and Harun, Sulaiman Wadi (2011) Investigation on stimulated Brillouin scattering effect in Photonic crystal fiber. Microwave and Optical Technology Letters, 53 (6). pp. 1450-1453. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.25984.

Lim, Kok Sing and Harun, Sulaiman Wadi and Damanhuri, Siti Sarah Ahmad and Jasim, Ali Abdulhadi and Ku, H.H. and Ahmad, Harith (2011) Low-cost spectral tunable microfibre knot resonator. IET Optoelectronics, 5 (6). p. 281. ISSN 1751-8768, DOI https://doi.org/10.1049/iet-opt.2011.0008.

Harun, Sulaiman Wadi and Yasin, Moh and Ahmad, Harith (2011) Micro-displacement sensor with multimode fused coupler and concave mirror. Laser Physics, 21 (4). pp. 729-732. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X11070103.

Harun, Sulaiman Wadi and Lim, Kok Sing and Damanhuri, Siti Sarah Ahmad and Ahmad, Harith (2011) Microfiber loop resonator based temperature sensor. Journal of the European Optical Society-Rapid Publications, 6. p. 11026. ISSN 1990-2573, DOI https://doi.org/10.2971/jeos.2011.11026.

Harun, Sulaiman Wadi and Akbari, Reza and Arof, Hamzah and Ahmad, Harith (2011) Mode-locked bismuth-based erbium-doped fiber laser with stable and clean femtosecond pulses output. Laser Physics Letters, 8 (6). pp. 449-452. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.201110015.

Parvizi, R. and Ali, N.M. and Harun, Sulaiman Wadi and Moghavvemi, Mahmoud and Arof, Hamzah and Ahmad, Harith (2011) Multi-wavelength Brillouin fiber laser using dual-cavity configuration. Laser Physics, 21 (1). pp. 205-209. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X11010166.

Parvizi, Roghaieh and Ali, Norfizah Md and Harun, Sulaiman Wadi and Moghavvemi, Mahmoud and Arof, Hamzah and Ahmad, Harith (2011) Multi-wavelength Brillouin fiber laser using dual-cavity configuration. Laser Physics, 21 (1). pp. 205-209. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X11010166.

Shahabuddin, Nurul Shahrizan and Yusoff, Zulfadzli and Ahmad, Harith and Harun, Sulaiman Wadi (2011) Multi-wavelength erbium-doped fiber laser using four-wave mixing effect in doped fiber. Chinese Optics Letters, 9 (6). 061407-61408. ISSN 1671-7694, DOI https://doi.org/10.3788/COL201109.061407.

Rahman, Husna Abdul and Harun, Sulaiman Wadi and Yasin, Moh and Ahmad, Harith (2011) Non-contact refractive index measurement based on fiber optic beam-through technique. Optoelectronics and Advanced Materials-Rapid Communications, 5 (10). pp. 1035-1038. ISSN 1842-6573,

Pua, Chang Hong and Norizan, Siti Fatimah and Harun, Sulaiman Wadi and Ahmad, Harith (2011) Non-membrane optical microphone based on longitudinal modes competition. Sensors and Actuators A: Physical, 168 (2). pp. 281-285. ISSN 0924-4247, DOI https://doi.org/10.1016/j.sna.2011.04.034.

Norizan, S.F. and Chong, W.Y. and Harun, Sulaiman Wadi and Ahmad, Harith (2011) O-band bismuth-doped fiber amplifier with double-pass configuration. IEEE Photonics Technology Letters, 23 (24). pp. 1860-1862.

Ahmad, Harith and Norizan, Siti Fatimah and Zulkifli, Mohd Zamani and Ghani, Zawajer Abd and Harun, Sulaiman Wadi (2011) Operation of brillouin fiber laser in the O-band region as compared to that in the C-band region. Laser Physics, 21 (1). pp. 210-214. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X11010014.

Parvizi, Roghaieh and Harun, Sulaiman Wadi and Ali, Norfizah Md and Shahabuddin, Nurul Shahrizan and Ahmad, Harith (2011) Photonic crystal fiber-based multi-wavelength Brillouin fiber laser with dual-pass amplification configuration. Chinese Optics Letters, 9 (2). 021403-21405. ISSN 1671-7694, DOI https://doi.org/10.3788/COL20110902.021403.

Ooi, Chong Heng Raymond and Ahmad, Harith and Harun, Sulaiman Wadi (2011) Quantum coherence effects in a Raman amplifier. Journal of Modern Optics, 58 (1). pp. 11-13. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2010.521594.

Lim, Kok Sing and Jasim, Ali Abdulhadi and Damanhuri, Siti Sarah Ahmad and Harun, Sulaiman Wadi and Rahman, Bahanur M. Azizur and Ahmad, Harith (2011) Resonance condition of a microfiber knot resonator immersed in liquids. Applied Optics, 50 (30). pp. 5912-5916. ISSN 0003-6935, DOI https://doi.org/10.1364/AO.50.005912.

Ahmad, Harith and Zulkifli, Mohd Zamani and Norizan, Siti Fatimah and Jemangin, M.H. and Harun, Sulaiman Wadi (2011) S-band multiwavelength Brillouin Raman Fiber Laser. Optics Communications, 284 (20). pp. 4971-4974. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2011.06.048.

Moghaddam, M.R.A. and Harun, Sulaiman Wadi and Akbari, Reza and Ahmad, Harith (2011) Stable mode-locked fiber laser using 49 cm long bismuth oxide based erbium doped fiber and slow saturable absorber. Laser Physics, 21 (5). pp. 913-918. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X11090209.

Awang, Noor Azura and Zulkifli, Mohd Zamani and Latif, Amirah Abdul and Harun, Sulaiman Wadi and Ahmad, Harith (2011) Stable power multi-wavelength fibre laser based on four-wave mixing in a short length of highly non-linear fibre. Journal of Optics, 13 (7). 075401. ISSN 2040-8978, DOI https://doi.org/10.1088/2040-8978/13/7/075401.

Ahmad, Harith and Awang, Noor Azura and Zulkifli, Mohd Zamani and Thambiratnam, Kavintheran and Paul, Mukul Chandra and Das, S. and Harun, Sulaiman Wadi (2011) Supercontinuum from Zr-EDF using Zr-EDF mode-locked fiber laser. Laser Physics Letters, 9 (1). pp. 44-49. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.201110079.

Harun, Sulaiman Wadi and Akbari, Reza and Arof, Hamzah and Ahmad, Harith (2011) Supercontinuum generation in photonic crystal fiber using femtosecond pulses. Laser Physics, 21 (7). pp. 1215-1218. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X11130135.

Rahman, Husna Abdul and Harun, Sulaiman Wadi and Yasin, Moh and Phang, Sook Wai and Damanhuri, Siti Sarah Ahmad and Arof, Hamzah and Ahmad, Harith (2011) Tapered plastic multimode fiber sensor for salinity detection. Sensors and Actuators A: Physical, 171 (2). pp. 219-222. ISSN 0924-4247, DOI https://doi.org/10.1016/j.sna.2011.09.024.

Harun, Sulaiman Wadi and Yasin, Moh and Hamzah, Azura and Arof, Hamzah and Ahmad, Harith (2011) Temperature sensor based on lifetime measurement of erbium fluorescence. Journal of Optoelectronics and Advanced Materials, 13 (1). pp. 75-77. ISSN 1454-4164,

Yang, Hang Zhou and Harun, Sulaiman Wadi and Ahmad, Harith (2011) Theoretical and experimental studies on concave mirror‐based fiber optic displacement sensor. Sensor Review, 31 (1). pp. 65-69. ISSN 0260-2288, DOI https://doi.org/10.1108/02602281111099107.

Harun, Sulaiman Wadi and Yang, Hang Zhou and Ahmad, Harith (2011) Theoretical and experimental studies on liquid refractive index sensor based on bundle fiber. Sensor Review, 31 (2). pp. 173-177. ISSN 0260-2288, DOI https://doi.org/10.1108/02602281111110031.

Latif, Amirah Abdul and Ahmad, Harith and Awang, Noor Azura and Zulkifli, Mohd Zamani and Pua, Chang Hong and Ghani, Zawajer A. and Harun, Sulaiman Wadi (2011) Tunable high power fiber laser using an AWG as the tuning element. Laser Physics, 21 (4). pp. 712-717. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X11070152.

Ahmad, Harith and Norizan, Siti Fatimah and Awang, Noor Azura and Zulkifli, Mohd Zamani and Ghani, Zawajer A. and Harun, Sulaiman Wadi (2011) Tunable microwave photonic frequencies generation based on stimulated Brillouin scattering operating in the L-band region. Microwave and Optical Technology Letters, 53 (8). pp. 1710-1713. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.26106.

Awang, Noor Azura and Ahmad, Harith and Latif, Amirah Abdul and Zulkifli, Mohd Zamani and Ghani, Zawajer A. and Harun, Sulaiman Wadi (2011) Wavelength conversion based on FWM in a HNLF by using a tunable dual-wavelength erbium doped fibre laser source. Journal of Modern Optics, 58 (7). pp. 566-572. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2011.552796.

Ahmad, Harith and Awang, Noor Azura and Latif, Amirah Abdul and Zulkifli, Mohd Zamani and Ghani, Zawajer A. and Harun, Sulaiman Wadi (2011) Wavelength conversion based on four-wave mixing in a highly nonlinear fiber in ring configuration. Laser Physics Letters, 8 (10). pp. 742-746. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.201110051.

Zulkifli, Mohd Zamani and Ahmad, Harith and Hassan, Nor Ahya and Jemangin, M.H. and Harun, Sulaiman Wadi (2011) An ultra-wideband tunable multi-wavelength Brillouin fibre laser based on a semiconductor optical amplifier and dispersion compensating fibre in a linear cavity configuration. Quantum Electronics, 41 (7). pp. 602-605. ISSN 1063-7818, DOI https://doi.org/10.1070/QE2011v041n07ABEH014546.

Ahmad, Harith and Zulkifli, M.Z. and Latif, A.A. and Hassan, N.A. and Ghani, Z.A. and Harun, Sulaiman Wadi (2010) 120 nm wide band switchable fiber laser. Optics Communications, 283 (21). pp. 4333-4337. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2010.06.040.

Emami, S.D. and Hajireza, P. and Abd-Rahman, F. and Abdul-Rashid, H.A. and Ahmad, Harith and Harun, Sulaiman Wadi (2010) Application of high concentration thulium-doped fiber for achieving S-band gain flattened hybrid optical amplifier. Journal of Optoelectronics and Advanced Materials, 12 (7). pp. 1446-1451. ISSN 1454-4164,

Ahmad, Harith and Shahi, S. and Harun, Sulaiman Wadi (2010) Bismuth-based erbium-doped fiber as a gain medium for L-band amplification and Brillouin fiber laser. Laser Physics, 20 (3). pp. 716-719. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X10050014.

Harun, Sulaiman Wadi and Shahi, Sharifeh and Ahmad, Harith (2010) Brillouin fiber laser with a 49 cm long Bismuth-based erbium-doped fiber. Laser Physics Letters, 7 (1). pp. 60-62. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200910101.

Shahi, S. and Harun, Sulaiman Wadi and Norizan, S.F. and Moghaddam, M.R.A. and Ahmad, Harith (2010) Brillouin-raman multi-wavelength laser comb generation based on BI-EDF by using dual-wavelength in dispersion compensating fiber. Journal of Nonlinear Optical Physics & Materials, 19 (1). pp. 123-130. ISSN 0218-8635, DOI https://doi.org/10.1142/S0218863510005108.

Cheng, X.S. and Ahmad, Harith and Harun, Sulaiman Wadi (2010) Broadband ase source using bismuth-based erbium-doped fibers in double-pass set-up. Microwave and Optical Technology Letters, 52 (7). pp. 1636-1638. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.25239.

Moghaddam, M.R.A. and Harun, Sulaiman Wadi and Shahi, S. and Lim, K.S. and Ahmad, Harith (2010) Comparisons of multi-wavelength oscillations using sagnac loop mirror and mach-zehnder interferometer for ytterbium doped fiber lasers. Laser Physics, 20 (2). pp. 516-521. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X10030138.

Yasin, M. and Harun, Sulaiman Wadi and Apsari, R. and Suhariningsih, - and Kusminarto, - and Karyono, - and Ahmad, Harith (2010) Detection of tea concentration macerated onto the artificial teeth using fiber optic displacement sensor. Optoelectronics and Advanced Materials, Rapid Communications, 4 (2). pp. 141-143. ISSN 1842-6573,

Harun, Sulaiman Wadi and Paul, M.C. and Moghaddam, M.R.A. and Das, S. and Sen, R. and Dhar, A. and Pal, M. and Bhadra, S.K. and Ahmad, Harith (2010) Diode-pumped 1028 nm Ytterbium-doped fiber laser with near 90% slope efficiency. Laser Physics, 20 (3). pp. 656-660. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X10050051.

Yang, H.Z. and Harun, Sulaiman Wadi and Ahmad, Harith (2010) Displacement sensing with two asymmetrical inclined fibers. Microwave and Optical Technology Letters, 52 (6). pp. 1271-1274. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.25173.

Harun, Sulaiman Wadi and Lim, Kok Sing and Jasim, Ali Abdulhadi and Ahmad, Harith (2010) Dual wavelength erbium-doped fiber laser using a tapered fiber. Journal of Modern Optics, 57 (21). pp. 2111-2113. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2010.522740.

Hamzah, A. and Paul, M.C. and Harun, Sulaiman Wadi and Huri, N.A.D. and Lokman, A. and Sen, R. and Pal, M. and Das, S. and Bhadra, S.K. and Ahmad, Harith (2010) Dual-wavelength Erbium-doped fiber laser based on Erbium-doped Zirconia fiber. Optoelectronics and Advanced Materials-Rapid Communications, 4 (8). pp. 1099-1101. ISSN 1842-6573,

Ahmad, Harith and Parvizi, R. and Shahabuddin, N.S. and Yusoff, Z. and Harun, Sulaiman Wadi (2010) Effect of gain medium on the performance of brillouin fiber laser. Microwave and Optical Technology Letters, 52 (9). pp. 2158-2160. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.25386.

Yasin, M. and Harun, Sulaiman Wadi and Kusminarto, - and Karyono, - and Lelono, D. and Samian, - and Zaidan, A.H. and Ahmad, Harith (2010) Effect of tilting angles on the performance of reflective and transmitting types of fiber optic-based displacement sensors. Laser Physics, 20 (4). pp. 824-829. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X10070352.

Sua, Y.M. and Chong, W.Y. and Tan, C.C. and Ahmad, Harith and Adikan, Faisal Rafiq Mahamd (2010) Effect of using aqueous/alcohol solution during solution doping on the physical and chemical characteristics of pre-sintered silica soot and the resultant native glass species concentration. Materials Chemistry and Physics, 124 (2-3). pp. 1077-1082. ISSN 0254-0584,

Ahmad, Harith and Cheng, Xiau San and Tamjis, Mohamad Rom and Harun, Sulaiman Wadi (2010) Effects of Pumping Scheme and Double-Propagation on the Performance of ASE Source using Dual-Stage Bismuth-Based Erbium-Doped Fiber. Journal of Electromagnetic Waves and Applications, 24 (2-3). pp. 373-381. ISSN 0920-5071, DOI https://doi.org/10.1163/156939310790735660.

Harun, Sulaiman Wadi and Paul, M.C. and Moghaddam, M.R.A. and Das, S. and Sen, R. and Dhar, A. and Pal, M. and Bhadra, S.K. and Ahmad, Harith (2010) Efficient diode pumped ytterbium-doped fibre laser. Electronics Letters, 46 (1). 68-U97. ISSN 0013-5194, DOI https://doi.org/10.1049/el.2010.2128.

Yang, Hang Zhou and Lim, Kok Sing and Harun, Sulaiman Wadi and Dimyati, Kaharudin and Ahmad, Harith (2010) Enhanced bundle fiber displacement sensor based on concave mirror. Sensors and Actuators A: Physical, 162 (1). pp. 8-12. ISSN 0924-4247, DOI https://doi.org/10.1016/j.sna.2010.05.029.

Harun, Sulaiman Wadi and Yasin, M. and Yang, H.Z. and Kusminarto, - and Karyono, - and Ahmad, Harith (2010) Estimation of metal surface roughness using fiber optic displacement sensor. Laser Physics, 20 (4). pp. 904-909. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X10070091.

Harun, Sulaiman Wadi and Parvizi, R. and Cheng, X.S. and Parvizi, A. and Emami, S.D. and Arof, Hamzah and Ahmad, Harith (2010) Experimental and theoretical studies on a double-pass C-band bismuth-based erbium-doped fiber amplifier. Optics & Laser Technology, 42 (5). pp. 790-793. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2009.12.004.

Ahmad, Harith and Parvizi, Roghaieh and Dimyati, Kaharudin and Tamjis, Mohamad Rom and Harun, Sulaiman Wadi (2010) FWM-based multi-wavelength erbium-doped fiber laser using Bi-EDF. Laser Physics, 20 (6). pp. 1414-1417. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X10110010.

Harun, Sulaiman Wadi and Lim, K.S. and Jasim, A.A. and Ahmad, Harith (2010) Fabrication of tapered fiber based ring resonator. Laser Physics, 20 (7). pp. 1629-1631. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X10130050.

Yasin, M. and Harun, Sulaiman Wadi and Yang, H.Z. and Ahmad, Harith (2010) Fiber optic displacement sensor for measurement of glucose concentration in distilled water. Optoelectronics and Advanced Materials, Rapid Communications, 4 (8). pp. 1063-1065. ISSN 1842-6573,

Harun, Sulaiman Wadi and Moghaddam, M.R.A. and Ahmad, Harith (2010) High output power erbium-ytterbium doped cladding pumped fiber amplifier. Laser Physics Letters, 20 (10). pp. 1899-1901. ISSN 1612-2011, DOI https://doi.org/10.1134/S1054660X10190072.

Awang, N.A. and Zulkifli, M.Z. and Norizan, S.F. and Harun, Sulaiman Wadi and Ghani, Z.A. and Ahmad, Harith (2010) Highly efficient and high output power of erbium doped fiber laser in a linear cavity configuration. Laser Physics, 20 (10). pp. 1894-1898. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X10190011.

Parvizi, R. and Harun, Sulaiman Wadi and Ali, N.M. and Ahmad, Harith (2010) Investigation on stimulated Brillouin scattering characteristics in a highly doped Bismuth-based Erbium-doped fiber. Laser Physics, 20 (11). pp. 1973-1977. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X10210103.

Hamzah, Azura and Huri, N.A.D. and Emami, Siamak Dawazdah and Harun, Sulaiman Wadi and Ahmad, Harith (2010) Investigation on the Effect of Gain Medium on the Performance of Double-pass Raman Amplifier. Journal of Optical Communications, 31 (1). ISSN 0173-4911, DOI https://doi.org/10.1515/JOC.2010.31.1.7.

Parvizi, R. and Harun, Sulaiman Wadi and Shahabuddin, N.S. and Yusoff, Z. and Ahmad, Harith (2010) Multi-wavelength bismuth-based erbium-doped fiber laser based on four-wave mixing effect in photonic crystal fiber. Optics & Laser Technology, 42 (8). pp. 1250-1252. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2010.03.018.

Zulkifli, M.Z. and Hassan, N.A. and Awang, N.A. and Ghani, Z.A. and Harun, Sulaiman Wadi and Ahmad, Harith (2010) Multi-wavelength fiber laser in the S-band region using a Sagnac loop mirror as a comb generator in an SOA gain medium. Laser Physics Letters, 7 (9). pp. 673-676. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.201010046.

Hamzah, Amirah and Harun, Sulaiman Wadi and Huri, N.A.D. and Lokman, Asiah and Arof, Hamzah and Paul, M.C. and Pal, Manimala and Das, S. and Bhadra, S.K. and Ahmad, Harith and Yoo, S. and Kalita, M.P. and Boyland, A.J. and Sahu, Jayanta Kumar (2010) Multi-wavelength fiber laser with erbium doped zirconia fiber and semiconductor optical amplifier. Optoelectronics and Advanced Materials-Rapid Communications, 4 (10). pp. 1431-1434. ISSN 1842-6573,

Shahi, Sharifeh and Harun, Sulaiman Wadi and Dimyati, Kaharudin and Tamjis, Mohamad Rom and Ahmad, Harith (2010) Multiple brillouin stokes generation with bismuth-based erbium-doped fiber. Microwave and Optical Technology Letters, 52 (6). pp. 1416-1418. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.25207.

Ahmad, Harith and Zulkifli, M.Z. and Latif, A.A. and Harun, Sulaiman Wadi (2010) Novel O-band tunable fiber laser using an array waveguide grating. Laser Physics Letters, 7 (2). pp. 164-167. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200910118.

Abd-Rahman, M.K. and Selvakennedy, S. and Ahmad, Harith (2010) Numerical modeling of edfl and brillouin erbium fiber laser. Journal of Nonlinear Optical Physics & Materials, 19 (2). pp. 281-293.

Ahmad, Harith and Zulkifli, M.Z. and Latif, A.A. and Harun, Sulaiman Wadi (2010) O-band multi-wavelength fiber laser. Journal of Nonlinear Optical Physics & Materials, 19 (2). pp. 229-236. ISSN 0218-8635, DOI https://doi.org/10.1142/S0218863510005261.

Awang, Noor Azura and Ahmad, Harith and Latif, Amirah Abdul and Zulkifli, Mohd Zamani and Ghani, Zawajer Abd and Harun, Sulaiman Wadi (2010) O-band to C-band wavelength converter by using four-wave mixing effect in 1310 nm SOA. Journal of Modern Optics, 57 (21). pp. 2147-2153. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2010.529953.

Ahmad, Harith and Shahi, Sharifeh and Harun, Sulaiman Wadi (2010) PCF-based Multi-wavelength Laser using Four-wave Mixing Effect. Journal of Optical Communications, 31 (2). pp. 85-87. ISSN 0173-4911, DOI https://doi.org/10.1515/JOC.2010.31.2.85.

Yasin, M. and Harun, Sulaiman Wadi and Pujiyanto, A. and Ghani, Z.A. and Ahmad, Harith (2010) Performance comparison between plastic-based fiber bundle and multimode fused coupler as probes in displacement sensors. Laser Physics, 20 (10). pp. 1890-1893. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X10190199.

Paul, M.C. and Harun, Sulaiman Wadi and Huri, N.A.D. and Hamzah, A. and Das, S. and Pal, M. and Bhadra, S.K. and Ahmad, Harith and Yoo, S. and Kalita, M.P. and Boyland, A.J. and Sahu, J.K. (2010) Performance comparison of Zr-based and Bi-based erbium-doped fiber amplifiers. Optics Letters, 35 (17). pp. 2882-2884. ISSN 0146-9592, DOI https://doi.org/10.1364/OL.35.002882.

Kow, S.T. and Yap, Y. and Pua, C.H. and Chong, W.Y. and Law, A.W.P. and Adikan, Faisal Rafiq Mahamd and Haseeb, A.S. Md. Abdul and Ahmad, Harith (2010) Selective area rare-earth doping of planar glass samples for monolithic integration of optically passive and active waveguides. Optik, 121 (8). pp. 722-725. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2008.11.003.

Harun, Sulaiman Wadi and Parvizi, Roghaieh and Shahabuddin, Nurul Shahrizan and Yusoff, Zulfadzli and Ahmad, Harith (2010) Semiconductor optical amplifier-based multi-wavelength ring laser utilizing photonic crystal fiber. Journal of Modern Optics, 57 (8). pp. 637-640. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340.2010.486078.

Lokman, A. and Hamzah, A. and Huri, N.A.D. and Arof, Hamzah and Ahmad, F. and Ahmad, Harith and Harun, Sulaiman Wadi (2010) Single frequency erbium doped fiber laser with a highly doped erbium-doped fiber. Optoelectronics and Advanced Materials-Rapid Communications, 4 (11). pp. 1643-1646. ISSN 1842-6573,

Harun, Sulaiman Wadi and Ahmad, Harith and Lim, E.L. and Alam, S.U. and Richardson, D.J. (2010) Single mode erbium ytterbium-doped fiber laser with multimode pumping. Journal of Nonlinear Optical Physics & Materials, 19 (2). pp. 203-208. ISSN 0218-8635, DOI https://doi.org/10.1142/S0218863510005212.

Lim, Kok Sing and Pua, Chang Hong and Harun, Sulaiman Wadi and Ahmad, Harith (2010) Temperature-sensitive dual-segment polarization maintaining fiber Sagnac loop mirror. Optics & Laser Technology, 42 (2). pp. 377-381. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2009.08.015.

Harun, Sulaiman Wadi and Yang, H.Z. and Yasin, M. and Ahmad, Harith (2010) Theoretical and experimental study on the fiber optic displacement sensor with two receiving fibers. Microwave and Optical Technology Letters, 52 (2). pp. 373-375. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.24900.

Lim, Kok Sing and Moghaddam, M.R.A. and Harun, Sulaiman Wadi and Ahmad, Harith (2010) Tunable-spacing multi-wavelength yb-doped fiber laser (YDFL) based on temperature sensitive loop mirror. Lasers in Engineering, 20 (1-2). pp. 39-45. ISSN 0898-1507,

Emami, Siamak Dawazdah and Hajireza, Parsin and Abd-Rahman, Faidz and Abdul-Rashid, Hairul Azhar and Ahmad, Harith and Harun, Sulaiman Wadi (2010) Wide-band hybrid amplifier operating in S-band region. Progress In Electromagnetics Research, 102. pp. 301-313. ISSN 1559-8985, DOI https://doi.org/10.2528/PIER10012303.

Paul, M.C. and Harun, Sulaiman Wadi and Huri, N.A.D. and Hamzah, A. and Das, S. and Pal, M. and Bhadra, S.K. and Ahmad, Harith and Yoo, S. and Kalita, M.P. and Boyland, A.J. and Sahu, J.K. (2010) Wideband EDFA based on erbium doped crystalline zirconia yttria alumino silicate fiber. Journal of Lightwave Technology, 28 (20). pp. 2919-2924. ISSN 0733-8724, DOI https://doi.org/10.1109/JLT.2010.2070486.

Latif, A.A. and Zulkifli, M.Z. and Hassan, N.A. and Harun, Sulaiman Wadi and Ghani, Z.A. and Ahmad, Harith (2010) A compact O-plus C-band switchable quad-wavelength fiber laser using arrayed waveguide grating. Laser Physics Letters, 7 (8). pp. 597-602. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.201010029.

Yasin, M. and Harun, Sulaiman Wadi and Kusminarto, D. and Ahmad, Harith (2010) A simple design of vibration sensor using fiber optic displacement sensor. Optoelectronics and Advanced Materials, Rapid Communications, 4 (11). pp. 1795-1797. ISSN 1842-6573,

Latif, A.A. and Zulkifli, M.Z. and Awang, N.A. and Harun, Sulaiman Wadi and Ahmad, Harith (2010) A simple linear cavity dual-wavelength fiber laser using AWG as wavelength selective mechanism. Laser Physics, 20 (11). pp. 2006-2010. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X10210061.

Shahi, Sharifeh and Khorvash, M. and Harun, Sulaiman Wadi and Ahmad, Harith and Golnabi, Hossein (2010) The temperature distribution eximer laser source (193 nm) within a human eye and review on some side-effects. Australian Journal of Basic and Applied Sciences, 4 (5). pp. 724-730. ISSN 1991-8178,

Emami, Siamak Dawazdah and Harun, Sulaiman Wadi and Abd-Rahman, Faidz and Abdul-Rashid, Hairul Azhar and Daud, S.A. and Ghani, Zawajer Abd and Ahmad, Harith (2010) A theoretical study of double-pass thulium-doped fiber amplifiers. Optik, 121 (14). pp. 1257-1262. ISSN 0030-4026, DOI https://doi.org/10.1016/j.ijleo.2009.01.017.

Paul, Mukul Chandra and Harun, Sulaiman Wadi and Moghaddam, M.R.A. and Das, Sagnik and Sen, Ranjan and Dhar, Anirban and Pal, Mrinmay and Bhadra, Shyamal Kumar and Ahmad, Harith (2009) 1028 nm single mode Ytterbium-doped fiber laser. Laser Physics, 19 (5). pp. 1021-1025. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X09050247.

Ahmad, Harith and Zulkifli, Mohd Zamani and Latif, Amirah Abdul and Thambiratnam, Kavintheran and Harun, Sulaiman Wadi (2009) 17-channels S band multiwavelength Brillouin/Erbium Fiber Laser co-pump with Raman source. Laser Physics, 19 (12). pp. 2188-2193. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X09230054.

Lim, Kok Sing and Harun, Sulaiman Wadi and Yang, Hang Zhou and Dimyati, Kaharudin and Ahmad, Harith (2009) Analytical and experimental studies on asymmetric bundle fiber displacement sensors. Journal of Modern Optics, 56 (17). pp. 1838-1842. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340903366009.

Ahmad, Harith and Zulkifli, Mohd Zamani and Latif, Amirah Abdul and Thambiratnam, Kavintheran and Harun, Sulaiman Wadi (2009) Bidirectional S-band continuous wave operation in a depressed-cladding erbium doped fiber amplifier. Journal of Optoelectronics and Advanced Materials, 11 (5). pp. 547-553. ISSN 1454-4164,

Harun, Sulaiman Wadi and Shahi, Sharifeh and Ahmad, Harith (2009) Bismuth erbium-doped fiber based multi-wavelength laser assisted by four-wave mixing process. IEICE Electronics Express, 6 (1). pp. 40-43. ISSN 1349-2543, DOI https://doi.org/10.1587/elex.6.40.

Shahi, Sharifeh and Harun, Sulaiman Wadi and Dimyati, Kaharudin and Ahmad, Harith (2009) Brillouin fiber laser with significantly reduced gain medium length operating in L-band region. Progress In Electromagnetics Research Letters, 8. pp. 143-149. ISSN 1937-6480, DOI https://doi.org/10.2528/PIERL09032501.

Harun, Sulaiman Wadi and Parvizi, Roghaieh and Shahi, Sharifeh and Ahmad, Harith (2009) Compact Bi-EDF-Based Brillouin Erbium Fiber Laser Operating at the 1560-nm Region. IEEE Photonics Journal, 1 (5). pp. 254-258. ISSN 1943-0655, DOI https://doi.org/10.1109/JPHOT.2009.2037246.

Harun, Sulaiman Wadi and Shahi, Sharifeh and Ahmad, Harith (2009) Compact Brillouin–erbium fiber laser. Optics Letters, 34 (1). p. 46. ISSN 0146-9592, DOI https://doi.org/10.1364/OL.34.000046.

Ahmad, Harith and Zulkifli, Mohd Zamani and Norizan, Siti Fatimah and Latif, Amirah Abdul and Harun, Sulaiman Wadi (2009) Controllable wavelength channels for Multiwavelength Brillouin Bismuth/Erbium based fiber Laser. Progress In Electromagnetics Research Letters, 9. pp. 9-18. ISSN 1937-6480, DOI https://doi.org/10.2528/PIERL09031905.

Yasin, Moh and Harun, Sulaiman Wadi and Kusminarto, - and Karyono, - and Zaidan, Andi H. and Thambiratnam, Kavintheran and Ahmad, Harith (2009) Design and Operation of a Concentric-Fiber Displacement Sensor. Fiber and Integrated Optics, 28 (4). pp. 301-309. ISSN 0146-8030, DOI https://doi.org/10.1080/01468030902842673.

Moghaddam, M.R.A. and Harun, Sulaiman Wadi and Tamjis, Mohamad Rom and Ahmad, Harith (2009) Double-clad erbium/ytterbium-doped fiber laser with a fiber Bragg grating. Laser Physics Letters, 6 (8). pp. 586-589. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200910035.

Ahmad, Harith and Zulkifli, Mohd Zamani and Latif, Amirah Abdul and Thambiratnam, Kavintheran and Harun, Sulaiman Wadi (2009) Dual wavelength fibre laser with tunable channel spacing using an SOA and dual AWGs. Journal of Modern Optics, 56 (16). pp. 1768-1773. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340903289136.

Ahmad, Harith and Norizan, Siti Fatimah and Zulkifli, Mohd Zamani and Harun, Sulaiman Wadi (2009) Dual-Wavelength Erbium Fiber Laser in a Simple Ring Cavity. Fiber and Integrated Optics, 28 (6). pp. 430-439. ISSN 0146-8030, DOI https://doi.org/10.1080/01468030903312130.

Shahi, Sharifeh and Harun, Sulaiman Wadi and Lim, Kok Sing and Naji, Ahmed Wathik and Ahmad, Harith (2009) Enhanced four-wave mixing efficiency of BI-EDF in a new ring configuration for determination of nonlinear parameters. Journal of Electromagnetic Waves and Applications, 23 (17-18). pp. 2397-2407. ISSN 0920-5071,

Parvizi, Roghaieh and Emami, Siamak Dawazdah and Shahi, Sharifeh and Harun, Sulaiman Wadi and Ahmad, Harith (2009) Experimental and theoretical studies on C-band bismuthbased erbium doped fiber amplifier. Optoelectronics and Advanced Materials-Rapid Communications, 3 (10). pp. 971-974. ISSN 1842-6573,

Harun, Sulaiman Wadi and Yang, Hang Zhou and Lim, Kok Sing and Tamjis, Mohamad Rom and Dimyati, Kaharudin and Ahmad, Harith (2009) Fiber optic displacement sensor based on concave mirror. Optoelectronics and Advanced Materials, Rapid Communications, 3 (11). pp. 1139-1141. ISSN 1842-6573,

Zulkifli, Mohd Zamani and Tamchek, Nizam and Latif, Amirah Abdul and Harun, Sulaiman Wadi and Ahmad, Harith (2009) Flat output and switchable fiber laser using AWG and broadband FBG. Optics Communications, 282 (13). pp. 2576-2579. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2009.03.048.

Ahmad, Harith and Chong, Wu Yi and Thambiratnam, Kavintheran and Zulklifi, Mohd Zamani and Poopalan, Prabakaran and Thant, Muang Muang Myo and Harun, Sulaiman Wadi (2009) High Sensitivity Fiber Bragg Grating Pressure Sensor Using Thin Metal Diaphragm. IEEE Sensors Journal, 9 (12). pp. 1654-1659. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2009.2030388.

Ahmad, Harith and Zulkifli, Mohd Zamani and Thambiratnam, Kavintheran and Latif, S.F. and Harun, Sulaiman Wadi (2009) High power and compact switchable bismuth based multiwavelength fiber laser. Laser Physics Letters, 6 (5). pp. 380-383. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200910007.

Yasin, Moh and Harun, Sulaiman Wadi and Fawzi, W.A. and Kusminarto, - and Karyono, - and Ahmad, Harith (2009) Lateral and axial displacements measurement using fiber optic sensor based on beam-through technique. Microwave and Optical Technology Letters, 51 (9). pp. 2038-2040. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.24584.

Shahi, Sharifeh and Harun, Sulaiman Wadi and Ahmad, Harith (2009) Multi-wavelength Brillouin fiber laser using Brillouin-Rayleigh scatterings in distributed Raman amplifier. Laser Physics Letters, 6 (10). pp. 737-739. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200910070.

Shahi, Sharifeh and Harun, Sulaiman Wadi and Ahmad, Harith (2009) Multi-wavelength Brillouin fiber laser using a holey fiber and a bismuth-oxide based erbium-doped fiber. Laser Physics Letters, 6 (6). pp. 454-457. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200910014.

Harun, Sulaiman Wadi and Parvizi, Roghaieh and Shahi, Sharifeh and Ahmad, Harith (2009) Multi-wavelength erbium-doped fiber laser assisted by four-wave mixing effect. Laser Physics Letters, 6 (11). pp. 813-815. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200910072.

Shahi, Sharifeh and Harun, Sulaiman Wadi and Shahabuddin, Nurul Shahrizan and Shirazi, Mohammadreza Rezazadeh and Ahmad, Harith (2009) Multi-wavelength generation using a bismuth-based EDF and Brillouin effect in a linear cavity configuration. Optics & Laser Technology, 41 (2). pp. 198-201. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2008.05.009.

Ahmad, Harith and Shahi, Sharifeh and Harun, Sulaiman Wadi (2009) Multi-wavelength laser generation with Bismuthbased Erbium-doped fiber. Optics Express, 17 (1). pp. 203-207. ISSN 1094-4087, DOI https://doi.org/10.1364/OE.17.000203.

Ahmad, Harith and Shahabuddin, Nurul Shahrizan and Harun, Sulaiman Wadi (2009) Multi-wavelength source based on SOA and loop mirror. Optoelectronics and Advanced Materials-Rapid Communications, 3 (1). pp. 1-3. ISSN 1842-6573,

Shahi, Sharifeh and Harun, Sulaiman Wadi and Sulaiman, Abdul Hadi and Thambiratnam, Kavintheran and Ahmad, Harith (2009) Multiwavelength source based on SOA and EDFA in a ring-cavity resonator. Microwave and Optical Technology Letters, 51 (1). pp. 110-113. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.23970.

Moghaddam, M.R.A. and Harun, Sulaiman Wadi and Paul, Mukul Chandra and Pal, Mrinmay and Dhar, Anirban and Sen, Ranjan and Das, Sumita and Bhadra, Shyamal Kumar and Ahmad, Harith (2009) Multiwavelength ytterbium-doped fiber ring laser. Microwave and Optical Technology Letters, 51 (10). pp. 2511-2512. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.24605.

Emami, Siamak Dawazdah and Harun, Sulaiman Wadi and Abd-Rahman, Faidz and Abdul-Rashid, Hairul Azhar and Daud, Siti Aida and Ahmad, Harith (2009) Optimization of the 1050 nm pump power and fiber length in single-pass and double-pass thulium doped fiber amplifiers. Progress In Electromagnetics Research B, 14. pp. 431-448. ISSN 1937-6472, DOI https://doi.org/10.2528/PIERB09022503.

Ahmad, Harith and Sulaiman, Abdul Hadi and Shahi, Sharifeh and Harun, Sulaiman Wadi (2009) SOA-based multi-wavelength laser using fiber Bragg gratings. Laser Physics, 19 (5). pp. 1002-1005. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X09050193.

Yasin, Moh and Harun, Sulaiman Wadi and Samian, - and Kusminarto, - and Ahmad, Harith (2009) Simple design of optical fiber displacement sensor using a multimode fiber coupler. Laser Physics, 19 (7). pp. 1446-1449. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X09070123.

Leong, W.C. and Tho, S.Y. and Law, A.W.P. and Chong, W.Y. and Pua, C.H. and Ahmad, Harith and Haseeb, A.S. Md. Abdul and Adikan, Faisal Rafiq Mahamd (2009) Spreading profile of dopant solution on pre-sintered silica layers for selective area doping of integrated optic planar glass samples. Thin Solid Films, 518 (1). pp. 378-382. ISSN 0040-6090, DOI https://doi.org/10.1016/j.tsf.2009.06.060.

Suhailin, Fariza H. and Ali, Jalil and Yupapin, Preecha Promphan and Fujii, Yusaku and Ahmad, Harith and Harun, Sulaiman Wadi (2009) Stopping and storing light pulses within a fiber optic ring resonator. Chinese Optics Letters, 7 (9). pp. 778-780. ISSN 1671-7694, DOI https://doi.org/10.3788/COL20090709.0778.

Yasin, Moh and Harun, Sulaiman Wadi and Kusminarto, - and Karyono, - and Warsono, - and Zaidan, Andi H. and Ahmad, Harith (2009) Study of bundled fiber based displacement sensors using theoretical model and fitting function approaches. Journal of Optoelectronics and Advanced Materials, 11 (3). pp. 302-307. ISSN 1454-4164,

Tamchek, Nizam and Harun, Sulaiman Wadi and Chong, Wu Yi and Ahmad, Harith (2009) Study on bismuth-based erbium-doped fiber for optical amplification. Optoelectronics and Advanced Materials, Rapid Communications, 3 (1). pp. 24-28. ISSN 1842-6573,

Ahmad, Harith and Zulkifli, Mohd Zamani and Thambiratnam, Kavintheran and Latiff, Anas Abdul and Harun, Sulaiman Wadi (2009) Switchable semiconductor optical fiber laser incorporating AWG and broadband FBG with high SMSR. Laser Physics Letters, 6 (7). pp. 539-543. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200910024.

Ahmad, Harith and Zulkifli, Mohd Zamani and Latif, Amirah Abdul and Harun, Sulaiman Wadi (2009) Tunable dual wavelength fiber laser incorporating AWG and optical channel selector by controlling the cavity loss. Optics Communications, 282 (24). pp. 4771-4775. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2009.08.066.

Cheng, Xiau S. and Parvizi, Roghaieh and Ahmad, Harith and Harun, Sulaiman Wadi (2009) Wide-Band Bismuth-Based Erbium-Doped Fiber Amplifier With a Flat-Gain Characteristic. IEEE Photonics Journal, 1 (5). pp. 259-264. ISSN 1943-0655, DOI https://doi.org/10.1109/JPHOT.2009.2037725.

Shahi, Sharifeh and Moghaddam, M.R.A. and Harun, Sulaiman Wadi and Ahmad, Harith (2009) The comparison nonlinearity behaviors of photonic crystal fiber by two reduced lengths of bi-edf in ring cavity. Journal of Nonlinear Optical Physics & Materials, 18 (03). pp. 521-527. ISSN 0218-8635, DOI https://doi.org/10.1142/S0218863509004749.

Harun, Sulaiman Wadi and Moghaddam, M.R.A. and Dimyati, Kaharudin and Ahmad, Harith (2009) The performance of double-clad ytterbium-doped fiber laser with different pumping wavelengths. Laser Physics Letters, 6 (6). pp. 458-460. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200910018.

Harun, Sulaiman Wadi and Abdul-Rashid, Hairul Azhar and Muhd-Yassin, Shahrin Zen and Abd-Rahman, Mohd Kamil and Jayapalan, Kanesh Kumar and Ahmad, Harith (2008) 37.2 dB small-signal gain from Er/Yb Co-doped fiber amplifier with 20 mW pump power. Optics & Laser Technology, 40 (1). pp. 88-91. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2007.03.010.

Haoken, Huoermaiti and Harun, Sulaiman Wadi and Poopalan, Prabakaran and Ahmad, Harith (2008) All-optical Gain-clamped Erbium-doped Fiber Amplifier with Narrowband Amplified Spontaneous Emission Feedback Technique. Journal of Optical Communications, 29 (1). pp. 2-4. ISSN 0173-4911, DOI https://doi.org/10.1515/JOC.2008.29.1.2.

Shirazi, Mohammadreza Rezazadeh and Biglary, Mozhgun and Harun, Sulaiman Wadi and Thambiratnam, K. and Ahmad, Harith (2008) Bidirectional multiwavelength Brillouin fiber laser generation in a ring cavity. Journal of Optics A: Pure and Applied Optics, 10 (5). 055101. ISSN 1464-4258, DOI https://doi.org/10.1088/1464-4258/10/5/055101.

Shahabuddin, Nurul Shahrizan and Harun, Sulaiman Wadi and Zulkifli, Mohd Zamani and Thambiratnam, K. and Ahmad, Harith (2008) Bismuth-based Brillouin/erbium fiber laser. Journal of Modern Optics, 55 (8). pp. 1345-1351. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340701652303.

Ahmad, Harith and Aziz, Siti Narimah and Harun, Sulaiman Wadi (2008) Brillouin fiber laser with raman amplification. Optoelectronics and Advanced Materials-Rapid Communications, 2 (11). pp. 677-679. ISSN 1842-6573,

Harun, Sulaiman Wadi and Aziz, Siti Narimah and Tamchek, Nizam and Shahabuddin, Nurul Shahrizan and Ahmad, Harith (2008) Brillouin fibre laser with 20 m-long photonic crystal fibre. Electronics Letters, 44 (18). pp. 1065-1066. ISSN 0013-5194, DOI https://doi.org/10.1049/el:20081310.

Dimyati, Kaharudin and Harun, Sulaiman Wadi and Muhd-Yassin, Shahrin Zen and Abd-Rahman, Mohd Kamil and Ahmad, Harith (2008) Compact and efficient Er-Yb-doped fiber amplifier. Journal of Nonlinear Optical Physics & Materials, 17 (02). pp. 193-198. ISSN 0218-8635, DOI https://doi.org/10.1142/S0218863508004111.

Emami, Siamak Dawazdah and Harun, Sulaiman Wadi and Rahman, Faidz Abd and Abdul-Rashid, Hairul Azhar and Ahmad, Harith (2008) Effects of an auxiliary pump on the performance of TDFA. Laser Physics, 18 (8). pp. 977-982. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X08080112.

Shirazi, Mohammadreza Rezazadeh and Biglary, M. and Harun, Sulaiman Wadi and Thambiratnam, Kavintheran and Ahmad, Harith (2008) Effects of different Raman pumping schemes on stimulated Brillouin scattering in a linear cavity. Applied Optics, 47 (17). pp. 3088-3091. ISSN 0003-6935, DOI https://doi.org/10.1364/AO.47.003088.

Yasin, Moh and Harun, Sulaiman Wadi and Karyono, Kusminarto and Ahmad, Harith (2008) Fiber-optic displacement sensor using a multimode bundle fiber. Microwave and Optical Technology Letters, 50 (3). pp. 661-663. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.23147.

Daud, S.A. and Emami, Siamak Dawazdah and Mohamed, K.S. and Yusoff, Norazriena M. and Aminudin, L. and Abdul-Rashid, Hairul Azhar and Harun, Sulaiman Wadi and Ahmad, Harith and Mokhtar, Mohd Ridzuan and Yusoff, Zulfadzli and Rahman, Faidz Abd (2008) Gain and noise figure improvements in a shorter wavelength region of EDFA using a macrobending approach. Laser Physics, 18 (11). pp. 1362-1364. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X08110297.

Harun, Sulaiman Wadi and Zulkifli, Mohd Zamani and Tamjis, Mohamad Rom and Ahmad, Harith (2008) Gain improvement in a dual-stage S-band EDFA by filtration of forward C-band ASE. Journal of Modern Optics, 55 (18). pp. 3035-3040. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340802296323.

Ooi, H.C. and Ahmad, Harith and Sulaiman, Abdul Hadi and Thambiratnam, Kavintheran and Harun, Sulaiman Wadi (2008) High-power single-wavelength SOA-based fiber-ring laser with an optical modulator. Laser Physics, 18 (11). pp. 1349-1352. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X08110261.

Ahmad, Harith and Shirazi, Mohammadreza Rezazadeh and Biglary, Mozhgun and Harun, Sulaiman Wadi (2008) Linear cavity Brillouin fiber laser using a fiber Bragg grating. Microwave and Optical Technology Letters, 50 (2). pp. 265-266. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.23077.

Shirazi, Mohammadreza Rezazadeh and Harun, Sulaiman Wadi and Biglary, Mozhgun and Ahmad, Harith (2008) Linear cavity Brillouin fiber laser with improved characteristics. Optics Letters, 33 (8). p. 770. ISSN 0146-9592, DOI https://doi.org/10.1364/OL.33.000770.

Harun, Sulaiman Wadi and Shahi, Sharifeh and Sulaiman, Abdul Hadi and Ahmad, Harith (2008) Multi-wavelength source based on SOA and EDFA in a ring cavity resonator. Optoelectronics and Advanced Materials-Rapid Communications, 2 (6). pp. 317-319. ISSN 1842-6573,

Harun, Sulaiman Wadi and Shirazi, Mohammadreza Rezazadeh and Abdul-Rashid, Hairul Azhar and Ahmad, Harith (2008) Multiwavelength source using a brillouin fiber laser. Journal of Nonlinear Optical Physics & Materials, 17 (02). pp. 199-203. ISSN 0218-8635, DOI https://doi.org/10.1142/S0218863508004123.

Ahmad, Harith and Ooi, H.C. and Sulaiman, Abdul Hadi and Thambiratnam, Kavintheran and Zulkifli, Mohd Zamani and Harun, Sulaiman Wadi (2008) SOA based fiber ring laser with Fiber Bragg Grating. Microwave and Optical Technology Letters, 50 (12). pp. 3101-3103. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.23895.

Ahmad, Harith and Shahabuddin, Nurul Shahrizan and Rahman, Asiqur A. and Thambiratnam, Kavintheran and Harun, Sulaiman Wadi (2008) SOA-based multi-wavelength source. Journal of Modern Optics, 55 (14). pp. 2179-2185. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340801993276.

Ahmad, Harith and Thambiratnam, Kavintheran and Sulaiman, Abdul Hadi and Tamchek, Nizam and Harun, Sulaiman Wadi (2008) SOA-based quad-wavelength ring laser. Laser Physics Letters, 5 (10). pp. 726-729. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200810057.

Zulkifli, Mohd Zamani and Harun, Sulaiman Wadi and Thambiratnam, Kavintheran and Ahmad, Harith (2008) Self-Calibrating Automated Characterization System for Depressed Cladding EDFA Applications Using LabVIEW Software With GPIB. IEEE Transactions on Instrumentation and Measurement, 57 (11). pp. 2677-2681. ISSN 0018-9456, DOI https://doi.org/10.1109/TIM.2008.925007.

Ahmad, Harith and Thambiratnam, K. and Harun, Sulaiman Wadi and Sulaiman, Abdul Hadi and Aziz, Siti Narimah (2008) A compact dual wavelength ring laser using a semiconductor optical amplifier and array waveguide grating. Optoelectronics and Advanced Materials-Rapid Communications, 2 (1). pp. 1-3. ISSN 1842-6573,

Harun, Sulaiman Wadi and Paul, Mukul Chandra and Pal, Mrinmay and Dhar, Anirban and Sen, Ranjan and Das, S. and Bhadra, Shyamal Kumar and Shahabuddin, Nurul Shahrizan and Ahmad, Harith (2008) An efficient and flat-gain Erbium-doped fiber amplifier in the region of 1550 nm to 1590 nm. Optoelectronics and Advanced Materials-Rapid Communications, 2 (8). pp. 455-458. ISSN 1842-6573,

Shahabuddin, Nurul Shahrizan and Harun, Sulaiman Wadi and Shirazi, Mohammadreza Rezazadeh and Ahmad, Harith (2008) A linear cavity brillouin/bismuth-based erbium-doped fiber laser with enhanced characteristics. Laser Physics, 18 (11). pp. 1344-1348. ISSN 1054-660X, DOI https://doi.org/10.1134/S1054660X0811025X.

Mahdi, M.A. and Adikan, Faisal Rafiq Mahamd and Subramaniam, T. and Ahmad, Harith (2007) Characterization of lasing-oscillation direction in optical gain-clamped erbium-doped fiber amplifiers. Optics & Laser Technology, 39 (5). pp. 1020-1024. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2006.05.006.

Pua, Chang Hong and Harun, Sulaiman Wadi and Chong, Wu Yi and Jayapalan, Kanesh Kumar and Ahmad, Harith (2007) Dynamic dispersing technique for PR coating process in planar lightwave circuit fabrication. Microwave and Optical Technology Letters, 49 (8). pp. 1993-1995. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.22609.

Cheng, Xiau San and Harun, Sulaiman Wadi and Ahmad, Harith (2007) Effects of output coupler reflectivity on the performance of a linear cavity Brillouin/erbium fiber laser. Pramana, 68 (3). pp. 451-456. ISSN 0304-4289, DOI https://doi.org/10.1007/s12043-007-0048-y.

Ahmad, Harith and Shahabuddin, Nurul Shahrizan and Dimyati, Kaharudin and Jusoh, Zulzilawati and Harun, Sulaiman Wadi (2007) An Enhanced Bismuth-Based Brillouin/Erbium Fiber Laser with Linear Cavity Configuration. Fiber and Integrated Optics, 27 (1). pp. 35-40. ISSN 0146-8030, DOI https://doi.org/10.1080/01468030701679037.

Harun, Sulaiman Wadi and Ahmad, Harith (2007) Gain and noise figure improvements in double-pass S-band EDFA. Optics & Laser Technology, 39 (5). pp. 935-938. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2006.06.017.

Ahmad, Harith and Harun, Sulaiman Wadi and Chong, Wu Yi and Zulkifli, Mohd Zamani and Thant, Muang Muang Myo and Yusof, Zainun and Poopalan, Prabakaran (2007) High-sensitivity pressure sensor using a polymer-embedded FBG. Microwave and Optical Technology Letters, 50 (1). pp. 60-61. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.23021.

Muhd-Yassin, Shahrin Zen and Harun, Sulaiman Wadi and Ahmad, Harith and Abd-Rahman, Mohd Kamil (2007) Highly saturated EDFA for gain clamping operation. Microwave and Optical Technology Letters, 49 (8). pp. 1815-1816. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.22635.

Shirazi, M.R. and Harun, Sulaiman Wadi and Thambiratnam, K. and Biglary, Mozhgun and Ahmad, Harith (2007) New Brillouin fiber laser configuration with high output power. Microwave and Optical Technology Letters, 49 (11). pp. 2656-2658. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.22805.

Harun, Sulaiman Wadi and Cheng, Xiau San and Poopalan, Prabakaran and Ahmad, Harith (2007) Self-excited brillouin-erbium fiber laser for DWDM applications. Optics & Laser Technology, 39 (1). pp. 94-97. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2005.05.008.

Muhd-Yassin, Shahrin Zen and Harun, Sulaiman Wadi and Abdul-Rashid, Hairul Azhar and Abd-Rahman, Mohd Kamil and Rahman, Faidz Abd and Ahmad, Harith (2007) An efficient EYDFA with a 54 dB small signal gain. Microwave and Optical Technology Letters, 49 (10). pp. 2337-2339. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.22750.

Harun, Sulaiman Wadi and Cheng, Xiau San and Ahmad, Harith (2007) An efficient S-band brillouin erbium fiber laser with additional EDFA. Optics & Laser Technology, 39 (3). pp. 616-618. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2005.09.003.

Adikan, Faisal Rafiq Mahamd and Gawith, Corin B.E. and Smith, Peter G.R. and Sparrow, Ian J.G. and Emmerson, Gregory D. and Riziotis, Christos and Ahmad, Harith (2006) Design and demonstration of direct UV-written small angle X couplers in silica-on-silicon for broadband operation. Applied Optics, 45 (24). pp. 6113-6118. ISSN 0003-6935, DOI https://doi.org/10.1364/AO.45.006113.

Ahmad, Harith and Harun, Sulaiman Wadi (2006) Double pass S-band EDFA. Journal of Nonlinear Optical Physics & Materials, 15 (03). pp. 303-307. ISSN 0218-8635, DOI https://doi.org/10.1142/S0218863506003347.

Harun, Sulaiman Wadi and Abdul-Rashid, Hairul Azhar and Muhd-Yassin, S.Z. and Abd-Rahman, Mohd Kamil and Tamjis, Mohamad Rom and Ahmad, Harith (2006) Dual-stage Er/Yb doped fiber amplifier for gain and noise figure enhancements. IEICE Electronics Express, 3 (23). pp. 517-521. ISSN 1349-2543, DOI https://doi.org/10.1587/elex.3.517.

Harun, Sulaiman Wadi and Chong, Wu Yi and Subramaniam, T. and Ahmad, Harith (2006) Effect of Output Coupling Reflectivity on Performance of L-band Erbium-doped Fiber Laser. Journal of Optical Communications, 27 (1). pp. 8-10. ISSN 0173-4911, DOI https://doi.org/10.1515/JOC.2006.27.1.8.

Harun, Sulaiman Wadi and Samsuri, Norhakimah Md and Ahmad, Harith (2006) Gain-clamping techniques in two-stage double-pass L-band EDFA. Pramana, 66 (3). pp. 539-545. ISSN 0304-4289, DOI https://doi.org/10.1007/BF02704497.

Harun, Sulaiman Wadi and Cheng, Xiau San and Ahmad, Harith (2006) S-band Brillouin/erbium fiber laser for DWDM application. Journal of Nonlinear Optical Physics & Materials, 15 (03). pp. 309-313. ISSN 0218-8635, DOI https://doi.org/10.1142/S0218863506003311.

Mahdi, M.A. and Adikan, Faisal Rafiq Mahamd and Ahmad, Harith (2006) Single-mode pumping scheme for EDFA with high-power conversion efficiency using a 980-nm Ti : S laser. Microwave and Optical Technology Letters, 48 (1). pp. 71-74. ISSN 0895-2477,

Harun, Sulaiman Wadi and Zulkifli, Mohd Zamani and Ahmad, Harith (2006) A linear cavity S-band Brillouin/Erbium fiber laser. Laser Physics Letters, 3 (7). pp. 369-371. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200610017.

Harun, Sulaiman Wadi and Saat, Nor Kamilah and Ahmad, Harith (2005) Effect of a midway isolator on the performance of two-stage S-band EDFA. Laser Physics, 15 (8). pp. 1204-1206. ISSN 1054-660X,

Ahmad, Harith and Saat, Nor Kamilah and Harun, Sulaiman Wadi (2005) Effect of doped-fiber's spooling on performance of S-band EDFA. Laser Physics Letters, 2 (8). pp. 412-414. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200510016.

Harun, Sulaiman Wadi and Ahmad, Harith (2005) Gain Improvement in Two-stage L-Band EDFA with Incorporation of Fiber Bragg Grating. Journal of Optical Communications, 26 (5). pp. 198-200. ISSN 0173-4911, DOI https://doi.org/10.1515/JOC.2005.26.5.198.

Harun, Sulaiman Wadi and Samsuri, Norhakimah Md and Ahmad, Harith (2005) Gain enhancement in partial double-pass L-band EDFA system using a band-pass filter. Laser Physics Letters, 2 (1). pp. 36-38. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200410130.

Harun, Sulaiman Wadi and Saat, Nor Kamilah and Ahmad, Harith (2005) A Partial Double-Pass S-Band Erbium-Doped Fibre Amplifier. Chinese Physics Letters, 22 (12). pp. 3080-3082. ISSN 0256-307X, DOI https://doi.org/10.1088/0256-307X/22/12/027.

Harun, Sulaiman Wadi and Ahmad, Harith and Cheng, Xiau San and Saat, Nor Kamilah (2005) S-band Brillouin erbium fibre laser. Electronics Letters, 41 (4). pp. 174-176. ISSN 0013-5194, DOI https://doi.org/10.1049/el:20057310.

Ahmad, Harith and Saat, Nor Kamilah and Harun, Sulaiman Wadi (2005) S-band erbium-doped fiber ring laser using a fiber Bragg grating. Laser Physics Letters, 2 (7). pp. 369-371. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200510009.

Harun, Sulaiman Wadi and Saat, Nor Kamilah and Ahmad, Harith (2005) Two-stage S-band erbium-doped fiber amplifier using a depressed-cladding fiber. Microwave and Optical Technology Letters, 46 (1). pp. 92-94. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.20910.

Ahmad, Harith and San, Cheng Xiau and Harun, Sulaiman Wadi (2005) An enhanced S-band brillouin/erbium fiber laser with an additional EDFA in sub-loop. IEICE Electronics Express, 2 (10). pp. 321-326. ISSN 1349-2543, DOI https://doi.org/10.1587/elex.2.321.

Poopalan, Prabakaran and Haoken, Huoermaiti and Tamchek, Nizam and Harun, Sulaiman Wadi and Subramaniam, T. and Ahmad, Harith (2004) ASE Spectral Slice Gain-Clamping of EDFA. IEEE Photonics Technology Letters, 16 (12). pp. 2604-2606. ISSN 1041-1135, DOI https://doi.org/10.1109/LPT.2004.836756.

Samsuri, Norhakimah Md and Harun, Sulaiman Wadi and Ahmad, Harith (2004) Comparison of performances between partial double-pass and full double-pass systems in two-stage L-band EDFA. Laser Physics Letters, 1 (12). pp. 610-612. ISSN 1612-2011, DOI https://doi.org/10.1002/lapl.200410116.

Chong, Wu Yi and Harun, Sulaiman Wadi and Ahmad, Harith (2004) Enhancement of Gain in L-Band Bismuth-Based Erbium-Doped Fibre Amplifier Using an Un-pumped EDF and Midway Isolator. Chinese Physics Letters, 21 (12). pp. 2452-2453. ISSN 0256-307X, DOI https://doi.org/10.1088/0256-307X/21/12/036.

Harun, Sulaiman Wadi and Tamchek, Nizam and Poopalan, Prabakaran and Ahmad, Harith (2004) Gain Clamping in Two-Stage L-Band EDFA Using a Broadband FBG. IEEE Photonics Technology Letters, 16 (2). pp. 422-424. ISSN 1041-1135, DOI https://doi.org/10.1109/LPT.2003.822230.

Harun, Sulaiman Wadi and Ahmad, Harith (2004) Gain clamped double-pass L-band EDFA with incorporation of FBG at the input end of the optical amplifier. Microwave and Optical Technology Letters, 43 (2). pp. 166-168. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.20409.

Harun, Sulaiman Wadi and Ahmad, Harith (2004) Gain clamping in double-pass L-band EDFA using a broadband FBG. Pramana, 62 (4). pp. 893-897. ISSN 0304-4289, DOI https://doi.org/10.1007/BF02706137.

Harun, Sulaiman Wadi and Samsuri, Norhakimah Md and Ahmad, Harith (2004) Gain clamping in double-pass L-band EDFA using a ring resonator. Microwave and Optical Technology Letters, 43 (6). pp. 484-486. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.20509.

Harun, Sulaiman Wadi and Ahmad, Harith (2004) Gain clamping in single-pass and double-pass L-band erbium-doped fiber amplifiers. Acta Physica Slovaca, 54 (1). pp. 81-88. ISSN 1336-040X,

Harun, Sulaiman Wadi and Md Samsuri, N. and Poopalan, Prabakaran and Ahmad, Harith (2004) Gain control in double-pass L-band EDFA using a ring resonator and two-stage configuration. Optik, 115 (11-12). pp. 525-527. ISSN 0030-4026, DOI https://doi.org/10.1078/0030-4026-00403.

Harun, Sulaiman Wadi and Ahmad, Harith (2004) Gain-Clamped Double-Pass L-Band Erbium-Doped Fiber Amplifier Using A Ring Laser and Fiber Bragg Grating. Japanese Journal of Applied Physics, 43 (No. 7A). L924-L926. ISSN 0021-4922, DOI https://doi.org/10.1143/JJAP.43.L924.

Harun, Sulaiman Wadi and Ahmad, Harith (2004) L-band gain clamped erbium-doped fiber amplifier incorporating a C/L-band WDM coupler. Microwave and Optical Technology Letters, 40 (4). pp. 314-316. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.11365.

Harun, Sulaiman Wadi and Ahmad, Harith (2004) Low noise double pass L-band erbium-doped fiber amplifier. Optics & Laser Technology, 36 (3). pp. 245-248. ISSN 0030-3992, DOI https://doi.org/10.1016/j.optlastec.2003.09.004.

Harun, Sulaiman Wadi and Samsuri, Norhakimah Md and Ahmad, Harith (2004) Tunable and Low Noise Gain-Clamped Double-Pass L-Band Erbium-Doped Fiber Amplifier. Japanese Journal of Applied Physics, 43 (No. 8B). L1075-L1077. ISSN 0021-4922, DOI https://doi.org/10.1143/JJAP.43.L1075.

Harun, Sulaiman Wadi and Tamchek, Nizam and Abd-Rahman, Mohd Kamil and Poopalan, Prabakaran and Ahmad, Harith (2003) 10-GHz Optical Comb in L-Band Region With Brillouin/Erbium-Doped Fibre Laser. Optical Review, 10 (3). pp. 133-135. ISSN 1340-6000, DOI https://doi.org/10.1007/s10043-003-0133-5.

Harun, Sulaiman Wadi and Tamchek, Nizam and Ahmad, Harith (2003) Comparison of Performances Between Two-stage and Single-stage L-Band EDFA. Journal of Optical Communications, 24 (6). pp. 211-213. ISSN 0173-4911, DOI https://doi.org/10.1515/JOC.2003.24.6.211.

Harun, Sulaiman Wadi and Tamchek, Nizam and Ahmad, Harith (2003) Double Pass L-Band EDFA with Unpumped EDF. Journal of Optical Communications, 24 (5). pp. 189-191. ISSN 0173-4911, DOI https://doi.org/10.1515/JOC.2003.24.5.189.

Harun, Sulaiman Wadi and Tamchek, Nizam and Poopalan, Prabakaran and Ahmad, Harith (2003) Double-pass L-band EDFA with enhanced noise figure characteristics. IEEE Photonics Technology Letters, 15 (8). pp. 1055-1057. ISSN 1041-1135, DOI https://doi.org/10.1109/LPT.2003.815342.

Harun, Sulaiman Wadi and Tamchek, Nizam and Poopalan, Prabakaran and Ahmad, Harith (2003) Effect of injection of C-band ASE on L-band erbium-doped fiber amplifier. Journal of Experimental and Theoretical Physics Letters, 77 (9). pp. 461-463. ISSN 0021-3640, DOI https://doi.org/10.1134/1.1591969.

Harun, Sulaiman Wadi and Ahmad, Harith (2003) Efficient and low-noise gain-flattened double-pass L-band erbium-doped fiber amplifier. Microwave and Optical Technology Letters, 40 (2). pp. 112-114. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.11300.

Harun, Sulaiman Wadi and Tamchek, Nizam and Ahmad, Harith (2003) Gain clamped L-band EDFA using a fiber Bragg grating in two stage configuration. Microwave and Optical Technology Letters, 37 (4). pp. 265-266. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.10889.

Harun, Sulaiman Wadi and Tamchek, Nizam and Poopalan, Prabakaran and Ahmad, Harith (2003) Gain improvement in L-band EDFA using unpumped EDF in a double pass system. Microwave and Optical Technology Letters, 36 (3). pp. 154-156. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.10706.

Harun, Sulaiman Wadi and Tamchek, Nizam and Poopalan, Prabakaran and Ahmad, Harith (2003) Gain-Clamped L-Band Erbium-Doped Fiber Amplifier with Co- and Counter-Propagating Lasers. Japanese Journal of Applied Physics, 42 (Part 2). L1262-L1264. ISSN 0021-4922, DOI https://doi.org/10.1143/JJAP.42.L1262.

Harun, Sulaiman Wadi and Ahmad, Harith (2003) Gain-clamped two-stage L-band EDFA with a FBG laser in second stage. Optics & Laser Technology, 35 (8). pp. 645-647. ISSN 0030-3992, DOI https://doi.org/10.1016/S0030-3992(03)00112-9.

Harun, Sulaiman Wadi and Ahmad, Harith (2003) Gain-clamping in two-stage L-band EDFA using an unwanted backward ase from second stage. Optics & Laser Technology, 35 (6). pp. 441-444. ISSN 0030-3992, DOI https://doi.org/10.1016/S0030-3992(03)00049-5.

Harun, Sulaiman Wadi and Tamchek, Nizam and Poopalan, Prabakaran and Ahmad, Harith (2003) High gain L-band erbium-doped fiber amplifier with two-stage double-pass configuration. Pramana, 61 (1). pp. 93-97. ISSN 0304-4289, DOI https://doi.org/10.1007/BF02704513.

Harun, Sulaiman Wadi and Tamchek, Nizam and Poopalan, Prabakaran and Ahmad, Harith (2003) L-Band Brillouin-Erbium Fiber Laser. Laser Physics, 13 (9). pp. 1161-1165. ISSN 1054-660X,

Harun, Sulaiman Wadi and Ahmad, Harith (2003) L-band erbium-doped fibre amplifier with clamped- and flattened-gain using FBG. Electronics Letters, 39 (17). pp. 1238-1240. ISSN 0013-5194, DOI https://doi.org/10.1049/el:20030823.

Harun, Sulaiman Wadi and Tamchek, Nizam and Poopalan, Prabakaran and Ahmad, Harith (2002) Efficient multiwavelength generation of Brillouin/erbium fiber laser at 1600-nm region. Microwave and Optical Technology Letters, 35 (6). pp. 506-508. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.10650.

Harun, Sulaiman Wadi and Tamchek, Nizam and Poopalan, Prabakaran and Ahmad, Harith (2002) Gain Control in L-Band Erbium-Doped Fiber Amplifier Incorporating Broadband Fiber Bragg Grating. Japanese Journal of Applied Physics, 41 (Part 2). L1459-L1460. ISSN 0021-4922, DOI https://doi.org/10.1143/JJAP.41.L1459.

Harun, Sulaiman Wadi and Poopalan, Prabakaran and Ahmad, Harith (2002) Gain and Noise Figure Improvements in Double Pass L-band EDFA using a Band-pass Filter. Journal of Optical Communications, 23 (6). pp. 223-225. ISSN 0173-4911, DOI https://doi.org/10.1515/JOC.2002.23.6.223.

Harun, Sulaiman Wadi and Tamchek, Nizam and Ahmad, Harith (2002) Gain and noise performances of an L-band EDFA utilizing a ring laser cavity with fiber Bragg grating. Microwave and Optical Technology Letters, 36 (1). pp. 1-2. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.10652.

Harun, Sulaiman Wadi and Low, S.K. and Poopalan, Prabakaran and Ahmad, Harith (2002) Gain clamping in L-band erbium-doped fiber amplifier using a fiber Bragg grating. IEEE Photonics Technology Letters, 14 (3). pp. 293-295. ISSN 1041-1135, DOI https://doi.org/10.1109/68.986790.

Harun, Sulaiman Wadi and Tamchek, Nizam and Poopalan, Prabakaran and Ahmad, Harith (2002) Gain control in L-band erbium-doped fiber amplifier using a ring resonator. Japanese Journal of Applied Physics, 41 (3). L332-L333. ISSN 0021-4922, DOI https://doi.org/10.1143/JJAP.41.L332.

Harun, Sulaiman Wadi and Poopalan, Prabakaran and Ahmad, Harith (2002) Gain enhancement in L-band EDFA through a double-pass technique. IEEE Photonics Technology Letters, 14 (3). pp. 296-297. ISSN 1041-1135, DOI https://doi.org/10.1109/68.986791.

Harun, Sulaiman Wadi and Tamchek, M. and Abd-Rahman, M. Kamil and Ahmad, Harith (2002) Hybrid Brillouin/Erbium fibre laser operating at long wavelength band. Microwave and Optical Technology Letters, 33 (5). pp. 383-385. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.10329.

Subramaniam, T. and Mahdi, Mohd Adzir and Poopalan, Prabakaran and Harun, Sulaiman Wadi and Ahmad, Harith (2001) All-optical gain-clamped erbium-doped fiber-ring lasing amplifier with laser filtering technique. IEEE Photonics Technology Letters, 13 (8). pp. 785-787. ISSN 1041-1135, DOI https://doi.org/10.1109/68.935803.

Mahdi, M.A. and Adikan, Faisal Rafiq Mahamd and Poopalan, P. and Selvakennedy, S. and Ahmad, Harith (2001) Effects of signal seeding on long-wavelength-band Er3+-doped fiber amplifiers. Optical Engineering (OE), 40 (2). pp. 186-192. ISSN 0091-3286, DOI https://doi.org/10.1117/1.1336528.

Subramaniam, T. and Mahdi, Mohd Adzir and Poopalan, Prabakaran and Harun, Sulaiman Wadi and Ahmad, Harith (2001) Gain-clamped erbium-doped fiber amplifier using a single fiber Bragg grating. Microwave and Optical Technology Letters, 29 (5). pp. 290-293. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.1158.

Adikan, Faisal Rafiq Mahamd and Mahdi, M.A. and Thirumeni, S. and Poopalan, Prabakaran and Dimyati, Kaharudin and Ahmad, Harith (2001) Novel, gain-flattened L-band EDFA with ASE utilization with > 40 nm 3 dB bandwidth. Microwave and Optical Technology Letters, 28 (6). pp. 399-402. ISSN 0895-2477,

Abd-Rahman, M. Kamil and Selvakennedy, S. and Poopalan, P. and Ahmad, Harith (2001) Wavelength-tuning analysis of erbium-doped fiber-ring laser. Microwave and Optical Technology Letters, 29 (4). pp. 213-215. ISSN 0895-2477, DOI https://doi.org/10.1002/mop.1135.

Mahdi, M.A. and Adikan, Faisal Rafiq Mahamd and Poopalan, P. and Selvakennedy, S. and Ahmad, Harith (2001) A novel design of bi-directional silica-based erbium-doped fibre amplifier for broadband WDM transmissions. Optics Communications, 187 (4-6). pp. 389-394. ISSN 0030-4018, DOI https://doi.org/10.1016/S0030-4018(00)01121-4.

Selvakennedy, Selvadurai and Mahdi, Mohd Adzir and Abdullah, M.K. and Poopalan, Prabakaran and Ahmad, Harith (2000) Behavioral Investigations of an Erbium-Doped Fiber Ring Laser through Numerical Simulations. Optical Fiber Technology, 6 (2). pp. 155-163. ISSN 1068-5200, DOI https://doi.org/10.1006/ofte.1999.0321.

Mahdi, M.A. and Thirumeni, S. and Poopalan, P. and Selvakennedy, S. and Adikan, Faisal Rafiq Mahamd and Chan, W.Y. and Ahmad, Harith (2000) Effects of self-saturation in an erbium-doped fiber amplifier. Optical Fiber Technology, 6 (3). pp. 265-274. ISSN 1068-5200, DOI https://doi.org/10.1006/ofte.2000.0330.

Selvakennedy, Selvadurai and Mahdi, Mohd Adzir and Abdullah, M.K. and Poopalan, Prabakaran and Ahmad, Harith (2000) Erbium-doped fiber ring laser cavity in transient and steady states studied by a numerical approach. Journal of the Optical Society of America B, 17 (6). pp. 914-918. ISSN 0740-3224, DOI https://doi.org/10.1364/JOSAB.17.000914.

Selvakennedy, Selvadurai and Poopalan, Prabakaran and Mahdi, Mohd Adzir and Ahmad, Harith (2000) Gain-clamped erbium-doped fibre amplifier for wavelength division multiplexed systems. Journal of Modern Optics, 47 (9). pp. 1599-1605. ISSN 0950-0340, DOI https://doi.org/10.1080/09500340008235126.

Mahdi, M.A. and Adikan, Faisal Rafiq Mahamd and Poopalan, P. and Selvakennedy, S. and Chan, W.Y. and Ahmad, Harith (2000) Gain-clamped fibre amplifier using an ASE end reflector. Optics Communications, 177 (1-6). pp. 195-199. ISSN 0030-4018, DOI https://doi.org/10.1016/S0030-4018(00)00533-2.

Adikan, Faisal Rafiq Mahamd and Mahdi, M.A. and Poopalan, Prabakaran and Dimyati, Kaharudin and Ahmad, Harith (2000) Gain-flattened fiber amplifier from 1560 to 1580 nm wavelengths using an erbium-doped fiber amplifier. Microwave and Optical Technology Letters, 26 (4). pp. 221-223. ISSN 0895-2477, DOI https://doi.org/10.1002/1098-2760(20000820)26:4<221::AID-MOP5>3.0.CO;2-K.

Mahdi, M.A. and Adikan, Faisal Rafiq Mahamd and Poopalan, P. and Selvakennedy, S. and Ahmad, Harith (2000) High-gain bidirectional Er3+-doped fiber amplifier for conventional- and long-wavelength bands. IEEE Photonics Technology Letters, 12 (11). pp. 1468-1470. ISSN 1041-1135, DOI https://doi.org/10.1109/68.887676.

Abd-Rahman, M. Kamil and Abdullah, M. Khazani and Ahmad, Harith (2000) Multiwavelength, bidirectional operation of twin-cavity Brillouin/erbium fiber laser. Optics Communications, 181 (1-3). pp. 135-139. ISSN 0030-4018, DOI https://doi.org/10.1016/S0030-4018(00)00759-8.

Selvakennedy, Selvadurai and Poopalan, Prabakaran and Mahdi, Mohd Adzir and Ahmad, Harith (2000) A Novel Gain-Clamped Erbium Doped Fiber Amplifier for Wavelength Division Multiplexed Systems. Optical Review, 7 (4). pp. 294-296. ISSN 1340-6000, DOI https://doi.org/10.1007/s10043-000-0294-4.

Teyo, Tuan Chin and Mahdi, Mohd Adzir and Poopalan, Prabakaran and Ahmad, Harith (2000) Properties of laser and amplified signal in a gain-clamped Er3+-doped fiber amplifier system. Microwave and Optical Technology Letters, 24 (6). pp. 418-420. ISSN 0895-2477, DOI https://doi.org/10.1002/(SICI)1098-2760(20000320)24:6<418::AID-MOP17>3.0.CO;2-F.

Selvakennedy, Selvadurai and Mahdi, Mohd Adzir and Abdullah, M.K. and Poopalan, Prabakaran and Ahmad, Harith (2000) Study of mode selection in erbium-doped fiber ring laser cavity through a numerical approach. Microwave and Optical Technology Letters, 25 (3). pp. 187-191. ISSN 0895-2477, DOI https://doi.org/10.1002/(SICI)1098-2760(20000505)25:3<187::AID-MOP9>3.0.CO;2-Y.

Mahdi, M.A. and Adikan, Faisal Rafiq Mahamd and Poopalan, P. and Selvakennedy, S. and Ahmad, Harith (2000) A novel wideband erbium-doped fiber amplifier design. Microwave and Optical Technology Letters, 26 (4). pp. 268-269. ISSN 0895-2477,

Conference or Workshop Item

Zuikafly, Siti Nur Fatin and Ahmad, Harith and Shafie, Suhaidi and Nawawi, Wan Mohd Fazli Wan and Ibrahim, Mohd Haniff and Ahmad, Fauzan (2022) Graphene filament-chitin bio-composite polymer based passive Q-switcher in EDFL with Tunable Wavelength. In: 4th International Symposium on Advanced Materials and Nanotechnology, iSAMN 2020.

Apandi, N.H.Muhamad and Ahmad, Harith and Ibrahim, M.H. and Ahmad, F. (2021) Amplitude modulator of Multi-walled Carbon nanotubes/Chitin in the C-band region. In: 4th Photonics Meeting 2021, PM 2021, 17 November 2021, Terengganu.

Mohd Azri, Muhammad Fadhli and Samion, Muhamad Zharif and Zaini, Muhammad Khairol Annuar and Ahmad, Harith (2021) Mode-locked thulium-holmium doped fiber laser using no core-graded index multimode fiber as saturable absorber. In: 2021 OSA Nonlinear Optics, NLO 2021, 9 - 13 August 2021, Virtual, Online.

Lim, Kok Sing and Zaini, M.K.A. and Lee, S.Y. and Ahmad, Harith (2018) Multiplied optical delay based on few mode fiber and few-mode fiber Bragg gratings. In: Universal Academic Cluster International Spring Conference in Osaka, 11-13 April 2018, IMEDIO, 6th Floor, ITM, Asia and Pacific Trade Centre, Osaka, Japan.

Lim, Kok Sing and Ali, M.M. and Loo, C.C. and Chong, W.Y. and Ahmad, Harith (2014) Observation of mode-coupling in few mode fiber bragg gratings. In: 2014 Summer Topicals Meeting Series, 14-16 Jul 2014, Montreal, Canada.