Bismuth-doped fiber Q-switcher in erbium-doped fiber laser cavity

Zhang, Pei and Dimyati, Kaharuddin and Najm, Mustafa Mohammed and Nizamani, Bilal and Paul, Mukul Chandran and Das, Shyamal and Dhar, Anirban and Pal, Mrinmay and Yasin, Moh and Harun, Sulaiman Wadi (2021) Bismuth-doped fiber Q-switcher in erbium-doped fiber laser cavity. Microwave and Optical Technology Letters, 63 (8). pp. 2214-2218. ISSN 0895-2477, DOI

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We propose a simple design of all-fiber Q-switched erbium-doped fiber laser (EDFL). The laser is passively Q-switched by splicing bismuth-doped fiber into a ring cavity. The design has been experimentally demonstrated at the emission wavelength of 1560.48 nm. A single-mode Q-switched pulse with pulse duration of 1.18 mu s and pulse energy of 15.6 nJ was obtained with 980 nm pump power of 178 mW. Stable and typical Q-switched pulses were achieved at the repetition rate changing from 63.3 to 94.6 kHz. To the best of our knowledge, it is the first time to demonstrate bismuth-doped fiber as an effective saturable absorber for erbium-doped fiber laser.

Item Type: Article
Funders: Airlangga University Research Grant, Universiti Malaya [ML001-2017B]
Uncontrolled Keywords: Bismuth‐ Doped fiber; Fiber saturable absorber; Q-; Switching
Subjects: Q Science > QC Physics
T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering > Department of Electrical Engineering
Depositing User: Ms Zaharah Ramly
Date Deposited: 09 Jun 2022 02:33
Last Modified: 09 Jun 2022 02:33

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