Relative intensity noise comparison of fiber laser and amplified spontaneous emission sources

被引：19
作者：
Cheng, Xin [1 ,2 ,3 ]
Pan, Weiwei [1 ,2 ,3 ]
Zeng, Xin [1 ,2 ,3 ]
Dong, Jinyan [1 ,2 ,3 ]
Cui, Shuzhen [1 ,2 ]
Feng, Yan [1 ,2 ,3 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Opt & Fine Mech, Shanghai 201800, Peoples R China
[2] Shanghai Key Lab Solid State Laser & Applicat, Shanghai 201800, Peoples R China
[3] Univ Chinese Acad Sci, Ctr Mat Sci & Optoelect Engn, Beijing 100049, Peoples R China
来源：
OPTICAL FIBER TECHNOLOGY | 2020年 / 54卷
基金：
国家重点研发计划;
关键词：
Raman fiber lasers; Relative intensity noise; Amplified spontaneous emission; Fiber laser oscillator; HIGH-POWER; RAMAN;
D O I：
10.1016/j.yofte.2019.102119
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
The performance of Raman fiber laser and amplifier largely depends on the temporal stability of the pump sources. Here the relative intensity noise of three different sources are experimentally investigated and compared, which are fiber laser oscillator, master oscillator power amplifier, and amplified spontaneous emission. The amplified spontaneous emission source exhibits the lowest intensity noise. The fiber laser oscillator and amplifier have inevitable relaxation oscillation and longitudinal mode beating, which results in higher intensity noise and frequency dependent features. The results firmly explain the recent demonstrations in the performance improvement with amplified spontaneous emission as pump sources and the beneficiation of backward pumping for single frequency fiber amplifier.
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页数：4
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