FBG feedback's effects on distributed Bragg reflector fiber laser's polarization modes’ beat

Yunbo Li; Kuanglu Yu; Yiqin Lao; Linghao Cheng; Chongqing Wu; Yao Zhao; Chao Shang

doi:10.1117/12.2192949

28 September 2015 FBG feedback's effects on distributed Bragg reflector fiber laser's polarization modes’ beat

Yunbo Li, Kuanglu Yu, Yiqin Lao, Linghao Cheng, Chongqing Wu, Yao Zhao, Chao Shang

Proceedings Volume 9634, 24th International Conference on Optical Fibre Sensors; 96347L (2015) https://doi.org/10.1117/12.2192949
Event: International Conference on Optical Fibre Sensors (OFS24), 2015, Curitiba, Brazil

Abstract

Distributed Bragg reflector (DBR) fiber optic laser has recently been extensively explored as a powerful sensor for various measurands, thanks to its high sensitivity, excellent signal-to-noise ratio, and inherent electronic magnetic immunity. The phase noise and linewidth of the laser’s beat note limits this sensor’s performances. We report in this letter, our recent experiments on noise reduction employing optical feedback from an external FBG. We also investigated the sensitivity reduction of the DBR sensor after feedback is introduced.

Citation Download Citation

Yunbo Li, Kuanglu Yu, Yiqin Lao, Linghao Cheng, Chongqing Wu, Yao Zhao, and Chao Shang "FBG feedback's effects on distributed Bragg reflector fiber laser's polarization modes’ beat", Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96347L (28 September 2015); https://doi.org/10.1117/12.2192949

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