Statistical model for free-space optical coherent communications using adaptive optics

Esdras Anzuola; Szymon Gladysz

doi:10.1117/12.2244018

21 October 2016 Statistical model for free-space optical coherent communications using adaptive optics

Esdras Anzuola, Szymon Gladysz

Proceedings Volume 9991, Advanced Free-Space Optical Communication Techniques and Applications II; 999108 (2016) https://doi.org/10.1117/12.2244018
Event: SPIE Security + Defence, 2016, Edinburgh, United Kingdom

Abstract

In this paper we present a new model for describing the turbulence-induced fading that uses the representation of the phase in the aperture plane as a collection of random “cells”. This model serves as input to calculate the probability density function of fading intensity. The model has two parameters: phase variance and number of wavefront cells . We derive expressions for the signal-to-noise ratio in the presence of atmospheric turbulence and adaptive optics compensation. We estimate symbol error probabilities for M-ary phase shift keying and evaluate the performance of coherent receivers as a function of the normalized aperture and the number of actuators on the deformable mirror or the number of compensated modes. We perform numerical simulations of the fading intensity for different uncompensated and compensated scenarios and we compare the results with the proposed model.

Conference Presentation

Citation Download Citation

Esdras Anzuola and Szymon Gladysz "Statistical model for free-space optical coherent communications using adaptive optics", Proc. SPIE 9991, Advanced Free-Space Optical Communication Techniques and Applications II, 999108 (21 October 2016); https://doi.org/10.1117/12.2244018

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