Generation of high-energy dual-wavelength domain wall pulse with low repetition rate in an HNLF-based fiber ring laser

The generation of high-energy dual-wavelength domain wall pulse with a low repetition rate is demonstrated in a highly nonlinear fiber （HNLF）-based fiber ring laser. By introducing the intracavity birefringence-induced spectral filtering effect, the dual-wavelength lasing operation can be achieved....

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Published inChinese physics B Vol. 23; no. 6; pp. 217 - 220
Main Author 罗智超 林振彬 李金玉 朱鹏飞 宁秋奕 邢晓波 罗爱平 徐文成
Format Journal Article
LanguageEnglish
Published 01.06.2014
Subjects
Cross coupling
Domain walls
Fibers
Filtering
Filtration
Lasing
Repetition
Ring lasers
低重复频率
光纤环形激光器
光纤环激光器
双波长激光
脉冲形成
重复率
高能量
高非线性光纤
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ISSN1674-1056
2058-3834
1741-4199
DOI10.1088/1674-1056/23/6/064203

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Summary:The generation of high-energy dual-wavelength domain wall pulse with a low repetition rate is demonstrated in a highly nonlinear fiber （HNLF）-based fiber ring laser. By introducing the intracavity birefringence-induced spectral filtering effect, the dual-wavelength lasing operation can be achieved. In order to enhance the cross coupling effect between the two lasing beams for domain wall pulse formation, a 215-m HNLF is incorporated into the laser cavity. Experimentally, it is found that the dual-wavelength domain wall pulse with a repetition rate of 77.67 kHz could be efficiently obtained through simply rotating the polarization controller （PC）. At a maximum pump power of 322 mW, the 655-nJ single pulse energy in cavity is obtained. The proposed configuration provides a simpler and more efficient way to generate high energy pulse with a low repetition rate.
Bibliography:Luo Zhi-Chao, Lin Zhen-Bin, Li Jin-Yu, Zhu Peng-Fei, Ning Qiu-Yi, Xing Xiao-Bo, Luo Ai-Ping, Xu Wen-Cheng （a Laboratory of Nanophotonic Functional Materials and Devices, School of Information and Optoelectronic Science and Engineering, South China Normal University, Guangzhou 510006, China b ） Department of Environmental Engineering, Guangdong Industry Technical College, Guangzhou 510300, China c）MOE Key Laboratory of Laser Life Science and Institute of Laser Life Science, College of Biophotonics, South China Normal University, Guangzhou 510631, China
11-5639/O4
fiber lasers, high-energy pulse, domain wall, low repetition rate
The generation of high-energy dual-wavelength domain wall pulse with a low repetition rate is demonstrated in a highly nonlinear fiber （HNLF）-based fiber ring laser. By introducing the intracavity birefringence-induced spectral filtering effect, the dual-wavelength lasing operation can be achieved. In order to enhance the cross coupling effect between the two lasing beams for domain wall pulse formation, a 215-m HNLF is incorporated into the laser cavity. Experimentally, it is found that the dual-wavelength domain wall pulse with a repetition rate of 77.67 kHz could be efficiently obtained through simply rotating the polarization controller （PC）. At a maximum pump power of 322 mW, the 655-nJ single pulse energy in cavity is obtained. The proposed configuration provides a simpler and more efficient way to generate high energy pulse with a low repetition rate.
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ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/23/6/064203