Single mode Er-doped π-phase-shifted distributed feedback fibre grating laser

被引：0
|
作者：
Wang Li [1 ]
Chen Bai [1 ]
Chen Jia-Lin [1 ]
Li Guo-Yang [1 ]
Chang Li-Ping [1 ]
Sun An [1 ]
Lin Zun-Qi [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
来源：
CHINESE PHYSICS LETTERS | 2007年 / 24卷 / 03期
关键词：
D O I：
暂无
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
A novel method incorporating the shielded method and the post-processing method has been proposed to fabricate the pi-phase-shilted fibre grating. Then an Er-doped pi-phase-shifted distributed feedback fibre grating laser has been fabricated using the grating. The laser threshold is 20 mW. When pumped with 90 mW light at 980 nm, the laser gives an output of 1.1 mW. Its signal-to-noise ratio is better than 60 dB. It is demonstrated that the laser is single mode operation by means of a Fabry-Perot scanning interferometer.
引用
收藏
页码：721 / 723
页数：3
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