Coherent Receiver Simulation for High-Speed DP-QPSK in Optical GEO Satellite Feeder Link

Tarik Benaddi, Aubin Lecointre, Philippe Potier, Morten Stabenau, Ethel Marquer, Hamza Hallak Elwan, Maílys Guerault, Anne-Cecile Courson Federicci,Mickael Faugeron, Arnaud Le Kernec, Loris Moreau,Anaelle Maho, Bernard Charrat, Emilie Debourg,Michel Sotom, Hugo Meric

2023 IEEE International Conference on Space Optical Systems and Applications (ICSOS)（2023）

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摘要

The performance of a coherent, high-data-rate DP-QPSK optical link between an optical ground station and a geostationary satellite is described. The signal processing blocks were optimized and tested within a representative simulation environment, accounting for various impairments, implementation losses and atmospheric power fluctuations. The optimized transceiver exhibits an absence of desynchronization threshold even at low Optical Signal-to-Noise Ratio (OSNR), and achieves performance levels at approximately 0.3 dB on average of the theoretical limits.

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关键词

Satellite communications,free space optical communications,optical feeder link,DP-QPSK,optical transceiver

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