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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.

Adikan, Faisal Rafiq Mahamd and Noor, A.S.M. and Mahdi, M.A. (2004) Pumping scheme optimisation of 980-nm pumped L-band EDFA associated with broadband noise as the secondary pump. Optics Communications, 236 (1-3). pp. 167-172. ISSN 0030-4018,

Adikan, Faisal Rafiq Mahamd and Yeo, K.S. and Mokhtar, M. and Hitam, S. and Mahdi, M.A. (2013) Gain smoothening filter in two-segment fiber-optical parametric amplifier. Optics Communications, 286. pp. 353-356. ISSN 0030-4018,

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.

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 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 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 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 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.

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.

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 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 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.

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.

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.

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.

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.

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.

Ahmed, R. and Rifat, A.A. and Sabouri, A. and Al-Qattan, B. and Essa, K. and Butt, H. (2016) Multimode waveguide based directional coupler. Optics Communications, 370. pp. 183-191. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2016.03.015.

Al-Hiti, Ahmed Shakir and Yasin, M. and Najm Alsalam, Mustafa Mohammed and Harun, Sulaiman Wadi (2024) Femtosecond mode-locked 1.5 μm fiber laser based on PEDOT: PSS as saturable absorber. Optics Communications, 550. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2023.129926.

Ali, H. N. A. and Arsad, N. and Zulkipli, N. F. and Rosol, Ahmad Haziq Aiman and Yasin, M. and Harun, Sulaiman Wadi (2023) Q-switching pulse generation in multi-wavelength Brillouin Erbium-doped Fiber laser. Optics Communications, 534. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2023.129300.

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Chew, Khian Hooi and Tilley, D.R. and Osman, J. (2001) The nonlinear fabry-perot resonator: direct numerical integration. Optics Communications, 191 (3-6). pp. 393-404. ISSN 0030-4018, DOI https://doi.org/10.1016/s0030-4018(01)01133-6.

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Harith, Ahmad and Ismail, N.N. and Siti Nabila, Aidit and Siti Aisyah, Reduan and Muhammad Zharif, Samion and Yusoff, N. (2021) 2.08 mu m Q-switched holmium fiber laser using niobium carbide-polyvinyl alcohol (Nb2C-PVA) as a saturable absorber. Optics Communications, 490. p. 126888. ISSN 00304018, DOI https://doi.org/10.1016/j.optcom.2021.126888.

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.

Hmood, Jassim K. and Harun, Sulaiman Wadi (2019) PAPR reduction in all-optical OFDM based on time interleaving odd and even subcarriers. Optics Communications, 437. pp. 237-245. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2018.12.070.

Husain, Shahad S. and Hmood, Jassim K. and Harun, Sulaiman Wadi (2020) Efficiency enhancement of phase-conjugated twin waves technique by shaping envelopes of subcarriers in all-optical OFDM systems. Optics Communications, 472. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2020.125864.

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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.

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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.

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.

Mahdiraji, G.A. and Abas, A.F. (2012) Improving the performance of electrical duty-cycle division multiplexing with optimum signal level spacing. Optics Communications, 285 (7). pp. 1819-1824. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2011.12.022.

Mahyuddin, Mohamad Badrol Hisyam and Latiff, Anas Abdul and Rusdi, Muhammad Farid Mohd and Irawati, Ninik and Harun, Sulaiman Wadi (2017) Quantum dot cadmium selenide as a saturable absorber for Q-switched and mode-locked double-clad ytterbium-doped fiber lasers. Optics Communications, 397. pp. 147-152. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2017.04.010.

Malekmohammadi, A. and Abas, A.F. and Abdullah, M.K. and Mahdiraji, G.A. and Mokhtar, M. and Rasid, M.F.A. (2009) Absolute polar duty cycle division multiplexing over wavelength division multiplexing system. Optics Communications, 282 (21). pp. 4233-4241. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2009.07.049.

Malekmohammadi, A. and Al-Mansoori, M.H. and Mahdiraji, G.A. and Abas, A.F. and Abdullah, M.K. (2010) Performance enhancement of absolute polar duty cycle division multiplexing with dual-drive mach zehnder-modulator in 40Gbit/s optical fiber communication systems. Optics Communications, 283 (16). pp. 3145-3148. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2010.04.026.

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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.

Naji, A.W. and Abidin, M.S.Z. and Al-Mansoori, M.H. and Adikan, Faisal Rafiq Mahamd and Mahdi, M.A. (2007) Optimisation of remotely-pumped Er3+-doped fibre amplifier location in repeaterless transmission systems. Optics Communications, 272 (1). pp. 205-210. ISSN 0030-4018,

Nizamani, Bilal and Jafry, Afiq Arif Aminuddin and Salam, Sameer and Najm, Mustafa Mohammed and Abdul Khudus, Muhammad Imran Mustafa and Hanafi, Effariza and Harun, Sulaiman Wadi (2020) Mechanical exfoliation of indium tin oxide as saturable absorber for Q-switched Ytterbium-doped and Erbium-doped fiber lasers. Optics Communications, 475. p. 126217. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2020.126217.

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Omar, Suziana and Zulkipli, Nur Farhanah and Ahmed, Norizan and Jusoh, Zulzilawati and Musa, Baktiar and Apsari, Retna and Harun, Sulaiman Wadi (2022) Lanthanum hexaboride for Q-switching and mode-locking applications. Optics Communications, 502. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2021.127396.

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Rahman, Mohd Fauzi Ab and Latiff, Anas Abdul and Zaidi, Umi Zhalilah Mohd and Rusdi, Muhammad Farid Mohd and Rosol, Ahmad Haziq Aiman and Bushroa, Abdul Razak and Dimyati, Kaharudin and Harun, Sulaiman Wadi (2018) Q-switched and mode-locked thulium-doped fiber laser with pure Antimony film Saturable absorber. Optics Communications, 421. pp. 99-104. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2018.03.073.

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.

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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.

Samir, Ahmed and Abd El-salam, Hanafy Mahmoud and Harun, Sulaiman Wadi and Mohamed, Tarek (2021) The effects of different parameters and interaction angles of a 532 nm pulsed Nd: YAG laser on the properties of laser-ablated silver nanoparticles. Optics Communications, 501. p. 127366. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2021.127366.

Samir, Ahmed and Abd El-salam, Hanafy Mahmoud and Harun, Sulaiman Wadi and Mohamed, Tarek (2021) The effects of different parameters and interaction angles of a 532 nm pulsed Nd: YAG laser on the properties of laser-ablated silver nanoparticles. Optics Communications, 501. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2021.127366.

Sharma, Kavita and Abdul Khudus, Muhammad Imran Mustafa and Alam, Shaif-ul and Bhattacharya, Shanti and Venkitesh, Deepa and Brambilla, Gilberto (2018) Comparison of detection limit in fiber-based conventional, amplified, and gain-clamped cavity ring-down techniques. Optics Communications, 407. pp. 186-192. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2017.09.017.

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.

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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.

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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.

Zulkifli, Mohd Zamani and Lau, Kuen Yau and Muhammad, Farah Diana and Yasin, Moh (2019) Dual-mode output in half open cavity random fibre laser. Optics Communications, 430. pp. 273-277. ISSN 0030-4018, DOI https://doi.org/10.1016/j.optcom.2018.08.053.

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.