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Impact of external optical feedback on the beat notes of dual-polarization fiber lasers
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作者 余贶琭 程凌浩 +4 位作者 劳奕琴 李云波 关柏鸥 吴重庆 赵耀 《Chinese Optics Letters》 SCIE EI CAS CSCD 2017年第7期22-26,共5页
We present a theoretical analysis and an experimental study of the impacts of external optical feedback on dualfrequency fiber lasers. The external optical feedback can effectively suppress the phase noise of the beat... We present a theoretical analysis and an experimental study of the impacts of external optical feedback on dualfrequency fiber lasers. The external optical feedback can effectively suppress the phase noise of the beat notes of dual-frequency fiber lasers, provided some requirements are satisfied. The polarization of the optical feedback is important for the fiber laser's stability, and it can also tune the beat note frequency. A side effect of external optical feedback, as demonstrated in the experiments, is lowering the sensitivity of the dual-frequency fiber laserbased sensors, although such degradation is not obvious. 展开更多
关键词 notes suppress lowering lasing length stabilization reflector fitted disturbance running
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