A tunable and switchable single-longitudinal-mode dual-wavelength fiber laser with a simple linear cavity

被引：122
|
作者：
He, Xiaoying [1 ]
Fang, Xia [1 ]
Liao, Changrui [1 ]
Wang, D. N. [1 ]
Sun, Junqiang [2 ]
机构：
[1] Hong Kong Polytech Univ, Dept Elect Engn, Kowloon, Hong Kong, Peoples R China
[2] Huazhong Univ Sci & Technol, Wuhan Natl Lab Optoelect, Wuhan 430074, Peoples R China
来源：
OPTICS EXPRESS | 2009年 / 17卷 / 24期
关键词：
RING LASER; SATURABLE-ABSORBER; MICROWAVE GENERATION; FILTER;
D O I：
10.1364/OE.17.021773
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A simple linear cavity erbium-doped fiber laser based on a Fabry-Perot filter which consists of a pair of fiber Bragg gratings is proposed for tunable and switchable single-longitudinal-mode dual-wavelength operation. The single-longitudinal-mode is obtained by the saturable absorption of an unpumed erbium-doped fiber together with a narrow-band fiber Bragg grating. Under the high pump power (>166mW) condition, the stable dual-wavelength oscillation with uniform amplitude can be realized by carefully adjusting the polarization controller in the cavity. Wavelength selection and switching are achieved by tuning the narrow-band fiber Bragg grating in the system. The spacing of the dual-wavelength can be selected at 0.20nm (similar to 25.62GHz), 0.22nm (similar to 28.19GHz) and 0.54nm (similar to 69.19GHz). (C) 2009 Optical Society of America
引用
收藏
页码：21773 / 21781
页数：9
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