Compact single-mode distributed Bragg reflector fiber laser

被引：3
|
作者：
Xue, YY [1 ]
An, HL [1 ]
Fu, LB [1 ]
Lin, XZ [1 ]
Liu, HD [1 ]
机构：
[1] Peking Univ, Dept Phys, Beijing 100871, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2000年 / 17卷 / 02期
关键词：
D O I：
10.1088/0256-307X/17/2/012
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A compact single-mode distributed Bragg reflector (DBR) fiber laser with narrow spectral linewidth is investigated. Firstly, based on our theoretical analysis the single longitudinal mode operation domain is obtained. Then, a single-mode DBR fiber laser of 7.9 cm long with master oscillator power amplifier (MOPA) configuration is designed and constructed to operate in the single-mode domain. The fiber laser is pumped by a semiconductor laser at 975.5 nm. The master oscillator operates at 1556.91 nm with a cw output power of 1.43 mW for a pump power of 55.35 mW. Its slope efficiency is 2.7% and the spectral linewidth is less than 1.2 MHz (instrument resolution limited). With the MOPA configuration the laser output power and slope efficiency are increased to 7.8 mW and 16.9%, respectively.
引用
收藏
页码：109 / 111
页数：3
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