Bit error rate in a free-space laser communication system with a partially coherent signal beam

Jennifer C. Ricklin; Frederic M. Davidson

doi:10.1117/12.462635

20 March 2003 Bit error rate in a free-space laser communication system with a partially coherent signal beam

Jennifer C. Ricklin, Frederic M. Davidson

Proceedings Volume 4884, Optics in Atmospheric Propagation and Adaptive Systems V; (2003) https://doi.org/10.1117/12.462635
Event: International Symposium on Remote Sensing, 2002, Crete, Greece

Abstract

Average bit error rates in a free-space laser communication system can be reduced by the use of a partially (spatially) coherent transmitted signal beam. When the spatial coherence of the transmitted signal beam is reduced intensity fluctuations (scintillations) decrease, leading to a reduction in the bit error rate of the optical communication link. A model that offers a method for calculating optimal system performance with full consideration of the lognormal turbulent channel and source beam characteristics is described. The impact of atmospheric turbulence strength and degree of source coherence on the average bit error rate is examined.

Citation Download Citation

Jennifer C. Ricklin and Frederic M. Davidson "Bit error rate in a free-space laser communication system with a partially coherent signal beam", Proc. SPIE 4884, Optics in Atmospheric Propagation and Adaptive Systems V, (20 March 2003); https://doi.org/10.1117/12.462635

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