Stable single-polarization single-longitudinal-mode linear cavity erbium-doped fiber laser based on structured chirped fiber Bragg grating

被引：13
作者：
Yin, Bin [1 ]
Liu, Zhibo [1 ]
Feng, Suchun [1 ]
Bai, Yunlong [1 ]
Li, Haisu [1 ]
Jian, Shuisheng [1 ]
机构：
[1] Beijing Jiaotong Univ, Inst Lightwave Technol, Key Lab All Opt Network & Adv Telecommun EMC, Beijing, Peoples R China
来源：
APPLIED OPTICS | 2015年 / 54卷 / 01期
关键词：
RING LASER; CMFBG FILTER;
D O I：
10.1364/AO.54.000006
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A novel linear cavity erbium-doped fiber (EDF) laser based on a structured chirped fiber Bragg grating (CFBG) filter is proposed for stable single-polarization (SP) single-longitudinal-mode (SLM) operation. For the first time, to the best of our knowledge, a structured CFBG filter with an ultra narrow transmission band which is generated by tapering directly on CFBG is used to select the laser longitudinal mode. The SLM operation is obtained by using the structured CFBG together with an unpumped EDFacting as a saturable absorber. The fluctuations of the laser peak power and center wavelength are less than 0.07 dB and 1 pm in 1 h, respectively. The stable SP operation is achieved by using the inline broadband polarizer. The measured 20 dB laser linewidth is about 27.7 kHz, which indicates the laser linewidth is approximately 1.39 kHz FWHM. (C) 2014 Optical Society of America
引用
收藏
页码：6 / 11
页数：6
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