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

页码：21773 / 21781

页数：9

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