High-data rate laser communication field experiment in the turbulence channel

Jianfeng Sun; Ya'nan Zhi; Wei Lu; Lijuan Wang; Enwen Dai; Liren Liu

doi:10.1117/12.928390

24 October 2012 High-data rate laser communication field experiment in the turbulence channel

Jianfeng Sun, Ya'nan Zhi, Wei Lu, Lijuan Wang, Enwen Dai, Liren Liu

Proceedings Volume 8517, Laser Communication and Propagation through the Atmosphere and Oceans; 851713 (2012) https://doi.org/10.1117/12.928390
Event: SPIE Optical Engineering + Applications, 2012, San Diego, California, United States

Abstract

At present inter-satellite laser communications have made great success, such as SILEX, TerraSAR-X LCT etc. But satellite to ground laser communications still at the experimental stages because of the atmosphere turbulence channel and the clouds. Once the satellite to ground laser communication technology obtains a breakthrough, the all laser spacebased communication era is coming. In this paper, we suggest a DPSK modulation/self-coherent homodyne reception scheme to overcome the atmosphere turbulence. The key in the scheme lies in the phase error compensation with the external environment change. In our experiment, we use two parallel plates rotating to compensate the phase error. The communication data rate reaches 2.5Gbps in the field experiment. The real time bit error rate was obtained with the variation of the communication channel’s turbulence.

Citation Download Citation

Jianfeng Sun, Ya'nan Zhi, Wei Lu, Lijuan Wang, Enwen Dai, and Liren Liu "High-data rate laser communication field experiment in the turbulence channel", Proc. SPIE 8517, Laser Communication and Propagation through the Atmosphere and Oceans, 851713 (24 October 2012); https://doi.org/10.1117/12.928390

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