Laser phase noise measurement based on modified self-homodyne optical coherent receiver with a Faraday rotating mirror

Jie Chen; Guan Wang; Lingjie Zhang; Yaowen Zhang; Zhiyao Zhang; Yali Zhang; Shangjian Zhang; Yong Liu

doi:10.1117/12.2602050

9 October 2021 Laser phase noise measurement based on modified self-homodyne optical coherent receiver with a Faraday rotating mirror

Jie Chen, Guan Wang, Lingjie Zhang, Yaowen Zhang, Zhiyao Zhang, Yali Zhang, Shangjian Zhang, Yong Liu

Author Affiliations +

Proceedings Volume 11891, Semiconductor Lasers and Applications XI; 118910W (2021) https://doi.org/10.1117/12.2602050
Event: SPIE/COS Photonics Asia, 2021, Nantong, JS, China

Conference Poster

Abstract

A novel laser phase noise measurement method based on self-homodyne structure with a Faraday rotating mirror (FRM) and an optical coherent receiver is proposed and experimentally demonstrated. The proposed method is simple in structure and easy to operate. Compared with the ordinary phase noise measurement system of self-homodyne optical coherent receiver, the length of the required delay fiber is halved and the polarization of the optical signal is more stable. Experimental results show that the proposed method can accurately characterize the phase noise and the linewidth of the laser under test, which are consistent with those obtained by the conventional self-homodyne method.

Citation Download Citation

Jie Chen, Guan Wang, Lingjie Zhang, Yaowen Zhang, Zhiyao Zhang, Yali Zhang, Shangjian Zhang, and Yong Liu "Laser phase noise measurement based on modified self-homodyne optical coherent receiver with a Faraday rotating mirror", Proc. SPIE 11891, Semiconductor Lasers and Applications XI, 118910W (9 October 2021); https://doi.org/10.1117/12.2602050

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