H
Harith Ahmad
Researcher at University of Malaya
Publications - 1197
Citations - 14394
Harith Ahmad is an academic researcher from University of Malaya. The author has contributed to research in topics: Fiber laser & Laser. The author has an hindex of 45, co-authored 1126 publications receiving 11904 citations. Previous affiliations of Harith Ahmad include Airlangga University & University of Glasgow.
Papers
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Tunable Q-switched erbium-doped fiber laser based on curved multimode fiber and graphene oxide saturable absorber
TL;DR: A tunable Q-switched erbium-doped fiber laser using a singlemode-multimode-singlemode fiber structure as a wavelength tuning filter and a graphene oxide saturable absorber is proposed and demonstrated in this article.
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Thermal Activation of Regenerated Grating in Hydrogenated Gallosilicate Fiber
Dinusha Serandi Gunawardena,K. A. Mat-Sharif,Man-Hong Lai,Kok-Sing Lim,Nizam Tamchek,Nasr Y. M. Omar,Siamak Dawazdah Emami,S. Z. Muhamad-Yasin,M. I. Zulkifli,Zulfadzli Yusoff,Hangzhou Yang,Hairul Azhar Abdul-Rashid,Harith Ahmad +12 more
TL;DR: In this article, the thermal regeneration of fiber Bragg gratings inscribed on hydrogenated gallosilicate optical fiber, fabricated using a modified chemical vapor deposition (MCVD) technique followed by a solution doping process, is demonstrated for the first time.
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Highly stable and tunable narrow-spacing dual-wavelength ytterbium-doped fiber using a microfiber Mach–Zehnder interferometer
TL;DR: In this article, a microfiber-based Mach-Zehnder interferometer and a tunable bandpass filter were placed into the laser ring cavity for the purpose of ensuring a stable and narrowly spaced dual-wavelength output.
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A novel wide-band dual function fiber amplifier
Belal Ahmed Hamida G. Allah,Ahmed Wathik Naji,Sheroz Khan,Wajdi Fawzi Mohammed Al-Khateeb,Sulaiman Wadi Harun,Harith Ahmad +5 more
TL;DR: In this paper, a dual-function Erbium-doped fiber amplifier (EDFA) with chirped fiber Bragg grating (CFBG) configured in two-stage double pass amplification scheme is demonstrated.
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Regenerative erbium-doped fibre ring laser-amplifier
TL;DR: In this article, a uni-directional regenerative erbium-doped fiber ring laser-amplifier is investigated in an amplifier system operated below the oscillation threshold.