Q-Switched Ytterbium-Doped Fiber Laser Using Black Phosphorus as Saturable Absorber

Al-Masoodi, A.H.H. and Ahmed, M.H.M. and Latiff, A.A. and Arof, Hamzah and Harun, Sulaiman Wadi (2016) Q-Switched Ytterbium-Doped Fiber Laser Using Black Phosphorus as Saturable Absorber. Chinese Physics Letters, 33 (5). 054206. ISSN 0256-307X, DOI https://doi.org/10.1088/0256-307X/33/5/054206.

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Official URL: https://doi.org/10.1088/0256-307X/33/5/054206


We demonstrate a Q-switched ytterbium-doped fiber laser (YDFL) using a newly developed multi-layer black phosphorous (BP) saturable absorber (SA). The BP SA is prepared by mechanically exfoliating a BP crystal and sticking the acquired BP flakes onto a scotch tape. A small piece of the tape is then placed between two ferrules and incorporated in a YDFL cavity to achieve a stable Q-switched operation in a 1.0.m region. The laser has a pump threshold of 55.1mW, a pulse repetition rate that is tunable from 8.2 to 32.9 kHz, and the narrowest pulse width of 10.8.s. The highest pulse energy of 328 nJ is achieved at the pump power of 97.6mW. Our results show that multi-layer BP is a promising SA for Q-switching laser operation.

Item Type: Article
Uncontrolled Keywords: Q-switched ytterbium-doped fiber laser (YDFL); Black phosphorous (BP); Saturable absorber (SA)
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 13 Nov 2017 07:06
Last Modified: 09 Oct 2018 03:38
URI: http://eprints.um.edu.my/id/eprint/18248

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