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

被引：11

作者：

Ahmad, H. ^{[1
,2
]}

Muhammad, F. D. ^{[1
]}

Zulkifli, M. Z. ^{[1
]}

Harun, S. W. ^{[1
,2
]}

机构：

[1] Univ Malaya, Dept Phys, Photon Res Ctr, Kuala Lumpur 50603, Malaysia

[2] Univ Teknol Malaysia, Nanotechnol Res Alliance, Johor Baharu 81310, Johor Darul Taz, Malaysia

来源：

CHINESE OPTICS LETTERS | 2013年 / 11卷 / 07期

关键词：

Graphene - Reflection - Laser mirrors - Q switching - Optical pumping - Fiber Bragg gratings - DBR lasers - Saturable absorbers - Distributed Bragg reflectors;

D O I：

10.3788/COL201311.071401

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

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 mu s, with a maximum pulse energy and peak power of 22.2 nJ and 3.4 mW, respectively.

引用

页数：4

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