Effects of atmospheric compensation techniques
on the performance of synchronous receivers

Aniceto Belmonte; Joseph M. Kahn

doi:10.1117/12.827351

21 August 2009 Effects of atmospheric compensation techniques on the performance of synchronous receivers

Aniceto Belmonte; Joseph M. Kahn;

Author Affiliations +

Proceedings Volume 7464, Free-Space Laser Communications IX; 74640R (2009) https://doi.org/10.1117/12.827351
Event: SPIE Optical Engineering + Applications, 2009, San Diego, California, United States

Abstract

We present recent studies on the impact of atmospheric turbulence on free-space links using either synchronous or nonsynchronous detection. We compare options for atmospheric compensation, including phase compensation and diversity combining techniques. We consider the effects of log-normal amplitude fluctuations and Gaussian phase fluctuations, in addition to local oscillator shot noise, for both passive receivers and those employing active modal compensation of wave-front phase distortion. We compute error probabilities for M-ary phase-shift keying, and evaluate the impact of various parameters, including the ratio of receiver aperture diameter to the wave-front coherence diameter, the number of diversity channels, and the number of modes compensated.

Citation Download Citation

Aniceto Belmonte, Joseph M. Kahn, "Effects of atmospheric compensation techniques on the performance of synchronous receivers", Proc. SPIE 7464, Free-Space Laser Communications IX, 74640R (21 August 2009); doi: 10.1117/12.827351; https://doi.org/10.1117/12.827351

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