Paper
21 August 2013 The principle of space coherent laser communication based on Costas phase-locked loop
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.
© (2013) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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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KEYWORDS
Phase shift keying

Laser communications

Oscillators

Receivers

Homodyne detection

Sensors

Signal detection

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