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Proceedings Paper

FBG feedback's effects on distributed Bragg reflector fiber laser's polarization modes’ beat
Author(s): Yunbo Li; Kuanglu Yu; Yiqin Lao; Linghao Cheng; Chongqing Wu; Yao Zhao; Chao Shang
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Paper 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.

Paper Details

Date Published: 28 September 2015
PDF: 4 pages
Proc. SPIE 9634, 24th International Conference on Optical Fibre Sensors, 96347L (28 September 2015); doi: 10.1117/12.2192949
Show Author Affiliations
Yunbo Li, Jinan Univ. (China)
Kuanglu Yu, Jinan Univ. (China)
Beijing Jiaotong Univ. (China)
Yiqin Lao, Beijing Jiaotong Univ. (China)
Linghao Cheng, Jinan Univ. (China)
Chongqing Wu, Beijing Jiaotong Univ. (China)
Yao Zhao, Beijing Jiaotong Univ. (China)
Chao Shang, Beijing Univ. of Posts and Telecommunications (China)

Published in SPIE Proceedings Vol. 9634:
24th International Conference on Optical Fibre Sensors
Hypolito José Kalinowski; José Luís Fabris; Wojtek J. Bock, Editor(s)

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