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Proceedings Paper

Investigation of polarization matching based on dual-balanced coherent detection
Author(s): Hua Zhang; Yi-hua Hu
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Paper Abstract

The theoretical model and mathematical description of dual-balanced coherent detection ( or dual-balanced coherent detection ) are established,with which the current formula and output power formula of intermediate frequency (IF) signals are deduced. Theoretical analysis shows that this dual-balanced coherent detection technique can effectively solve the polarization matching of signal light and local light, and improve the stability of signal measurement, and reduce the influence on signal-to-noise ratio (SNR) of the system. Meanwhile, the technique also have the above advantages compared with single-balanced coherent detection. Hopefully, the dual-balanced coherent detection method could be applied in a wide range of fields.

Paper Details

Date Published: 8 March 2017
PDF: 6 pages
Proc. SPIE 10255, Selected Papers of the Chinese Society for Optical Engineering Conferences held October and November 2016, 102553I (8 March 2017); doi: 10.1117/12.2267512
Show Author Affiliations
Hua Zhang, Electronic Engineering Institute (China)
Yi-hua Hu, Electronic Engineering Institute (China)


Published in SPIE Proceedings Vol. 10255:
Selected Papers of the Chinese Society for Optical Engineering Conferences held October and November 2016
Yueguang Lv; Jialing Le; Hesheng Chen; Jianyu Wang; Jianda Shao, Editor(s)

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