The principle of space coherent laser communication based on Costas phase-locked loop

Yang Zheng; Jianping Zheng; Shoufeng Tong; Huilin Jiang; Wenjun He

doi:10.1117/12.2032235

21 August 2013 The principle of space coherent laser communication based on Costas phase-locked loop

Yang Zheng, Jianping Zheng, Shoufeng Tong, Huilin Jiang, Wenjun He

Author Affiliations +

Proceedings Volume 8906, International Symposium on Photoelectronic Detection and Imaging 2013: Laser Communication Technologies and Systems; 89060G (2013) https://doi.org/10.1117/12.2032235
Event: ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, 2013, Beijing, China

Abstract

The space coherent laser communication is a very potential mean for high-speed laser communication in the future, because the excellent receiver sensitivities can be achieved by coherent detection techniques. The best coherent receiver sensitivity amounts to -59.4dBm at a data rate of 10Gbit/s and a bit error rate of 10^-9, which is obtained with phase-shift keying modulation in combination with homodyne detection. In this paper, we investigated optical homodyne detection based on Costas phase-locked loop in the space coherent laser communication system. We obtain optimum loop bandwidth of Costas phase-locked loop and the maximum permissible laser line width based on Costas phase locked loop.

Citation Download Citation

Yang Zheng, Jianping Zheng, Shoufeng Tong, Huilin Jiang, and Wenjun He "The principle of space coherent laser communication based on Costas phase-locked loop", Proc. SPIE 8906, International Symposium on Photoelectronic Detection and Imaging 2013: Laser Communication Technologies and Systems, 89060G (21 August 2013); https://doi.org/10.1117/12.2032235

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