The effect of jitter on the performance of space coherent optical communication system with Costas loop

Xin Li; Yifeng Hong; Jinfang Wang; Yang Liu; Xun Sun; Mi Li

doi:10.1117/12.2291442

10 January 2018 The effect of jitter on the performance of space coherent optical communication system with Costas loop

Xin Li, Yifeng Hong, Jinfang Wang, Yang Liu, Xun Sun, Mi Li

Proceedings Volume 10617, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing; 106170D (2018) https://doi.org/10.1117/12.2291442
Event: International Conference on Optical Instruments and Technology 2017, 2017, Beijing, China

Abstract

Numerous communication techniques and optical devices successfully applied in space optical communication system indicates a good portability of it. With this good portability, typical coherent demodulation technique of Costas loop can be easily adopted in space optical communication system. As one of the components of pointing error, the effect of jitter plays an important role in the communication quality of such system. Here, we obtain the probability density functions (PDF) of different jitter degrees and explain their essential effect on the bit error rate (BER) space optical communication system. Also, under the effect of jitter, we research the bit error rate of space coherent optical communication system using Costas loop with different system parameters of transmission power, divergence angle, receiving diameter, avalanche photodiode (APD) gain, and phase deviation caused by Costas loop. Through a numerical simulation of this kind of communication system, we demonstrate the relationship between the BER and these system parameters, and some corresponding methods of system optimization are presented to enhance the communication quality.

Citation Download Citation

Xin Li, Yifeng Hong, Jinfang Wang, Yang Liu, Xun Sun, and Mi Li "The effect of jitter on the performance of space coherent optical communication system with Costas loop", Proc. SPIE 10617, 2017 International Conference on Optical Instruments and Technology: Optoelectronic Devices and Optical Signal Processing, 106170D (10 January 2018); https://doi.org/10.1117/12.2291442

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KEYWORDS

Telecommunications

Optical communications

Astronomical imaging

Avalanche photodetectors

Demodulation

Receivers

Numerical simulations

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