Q-switched pulse generation from an all-fiber distributed Bragg reflector laser using graphene as saturable absorber

Ahmad, Harith and Muhammad, F.D. and Zulkifli, M.Z. and Harun, Sulaiman Wadi (2013) Q-switched pulse generation from an all-fiber distributed Bragg reflector laser using graphene as saturable absorber. Chinese Optics Letters, 11 (7). 071401. ISSN 1671-7694,

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Abstract

A Q-switched distributed Bragg reflector fiber laser using a graphene passive saturable absorber is proposed in a cavity consisting of a fiber Bragg grating and Faraday rotator mirror as end mirrors, together with a highly doped erbium-doped fiber as a gain source. The laser has a Q-switched threshold of about 28 mW and a tunable repetition rate of 10.4-18.0 kHz with varying pump power. The shortest pulse width obtained from the system is 3.7 <i>μ</i>s, with a maximum pulse energy and peak power of 22.2 nJ and 3.4 mW, respectively.

Item Type: Article
Funders: UNSPECIFIED
Uncontrolled Keywords: Q-switched pulse generation; All-fiber distributed Bragg reflector laser; Graphene; Saturable absorber
Subjects: Q Science > QC Physics
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Science > Department of Physics
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 29 Oct 2015 08:03
Last Modified: 09 Oct 2018 06:01
URI: http://eprints.um.edu.my/id/eprint/14391

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