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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.
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.
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 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.
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.
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.
Yap, Yuenkiat and Chong, Wu Yi and Razgaleh, S. A. and Huang, Nayming and Ong, Chinkhai and Ahmad, H. (2022) Performance of Q-switched fiber laser using optically deposited reduced graphene oxide as saturable absorber. Fiber and Integrated Optics, 41 (1-2). pp. 26-40. ISSN 0146-8030, DOI https://doi.org/10.1080/01468030.2021.2018070.
Teoh, Boon Yew and Lim, Yang Mooi and Chong, Wu Yi and Subramaniam, Menaga and Tan, Zi Zhang and Misran, Misni and Suk, Vicit Rizal Eh and Lo, Kwok-Wai and Lee, Poh Foong (2022) Isolation of exosome from the culture medium of Nasopharyngeal cancer (NPC) C666-1 cells using inertial based Microfluidic channel. Biomedical Microdevices, 24 (1). ISSN 1387-2176, DOI https://doi.org/10.1007/s10544-022-00609-z.
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.
Ishak, Nur Izzati and Muniandy, Sithi Vinayakam. and Chong, Wu Yi (2021) Entropy analysis of the discrete-time quantum walk under bit-flip noise channel. Physica A-Statistical Mechanics And Its Applications, 584. ISSN 0378-4371, DOI https://doi.org/10.1016/j.physa.2021.126371.
Ishak, Nur Izzati and Muniandy, S.V. and Chong, Wu Yi (2021) Entropy analysis of the discrete-time quantum walk under bit-flip noise channel. Physica A: Statistical Mechanics and its Applications, 584. p. 126371. ISSN 0378-4371, DOI https://doi.org/10.1016/j.physa.2021.126371.
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.
Chong, W. S. and Gan, S. X. and Lai, C. K. and Chong, Wu Yi and Choi, D. and Madden, S. and De La Rue, R. M. and Ahmad, H. (2020) Configurable TE- and TM-Pass Graphene Oxide-Coated Waveguide Polarizer. IEEE Photonics Technology Letters, 32 (11). pp. 627-630. ISSN 1041-1135, DOI https://doi.org/10.1109/LPT.2020.2988591.
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.
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 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.
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.
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, 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.
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.
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.
Saw, Wen Shang and Ujihara, Masaki and Chong, Wu Yi and Voon, Siew Hui and Imae, Toyoko and Kiew, Lik Voon and Lee, Hong Boon and Sim, Kae Shin and Chung, Lip Yong (2018) Size-dependent effect of cystine/citric acid-capped confeito-like gold nanoparticles on cellular uptake and photothermal cancer therapy. Colloids and Surfaces B: Biointerfaces, 161. pp. 365-374. ISSN 0927-7765, DOI https://doi.org/10.1016/j.colsurfb.2017.10.064.
Chambre, Laura and Saw, Wen Shang and Ekineker, Gülçin and Kiew, Lik Voon and Chong, Wu Yi and Lee, Hong Boon and Chung, Lip Yong and Bretonnière, Yann and Dumoulin, Fabienne and Sanyal, Amitav (2018) Surfactant-Free Direct Access to Porphyrin-Cross-Linked Nanogels for Photodynamic and Photothermal Therapy. Bioconjugate Chemistry, 29 (12). pp. 4149-4159. ISSN 1043-1802, DOI https://doi.org/10.1021/acs.bioconjchem.8b00787.
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.
Woon, Sin Ling and Kwan, Kar Meng and Chong, Wu Yi and Lin, Horng Sheng and Pua, Chang Hong (2017) Cascaded Acoustic Wave Sensors Based on Erbium-Doped Fiber Laser Dynamics for Intrusion Zone Identification. IEEE Sensors Journal, 17 (6). pp. 1893-1898. ISSN 1530-437X, DOI https://doi.org/10.1109/JSEN.2017.2655019.
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.
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.
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.
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.
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.
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,
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.
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.
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.
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.
Ahmad, H. and Kahar, N. H. Abdul and Ramli, R. and Yusoff, Norazriena and Reduan, Siti Aisyah and Ismail, Mohammad Faizal and Lim, K. S. and Chong, Wu Yi and Yasin, M. The performance of Ti2C MXene and Ti2AlC MAX Phase as saturable absorbers for passively mode-locked fiber laser. Optical Fiber Technology, 67. ISSN 1068-5200, DOI https://doi.org/10.1016/j.yofte.2021.102683.