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Proceedings Paper

Efficiency comparison of spatial and spectral diversity techniques for fading mitigation in free-space optical communications over tactical-range distances
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Paper Abstract

In long-range situations, the performance of free-space optical (FSO) communication links is strongly impacted by atmospheric turbulence. In this paper we compare efficiency of turbulence effects mitigation in FSO communication links using spectral (wavelength) and spatial diversity techniques. Numerical analysis of both techniques is performed considering FSO communication setting with single-mode fiber-collimator transceivers. In the case of spectral diversity setting, the fiber-collimators are based on the use of photonic crystal fibers that provide single-mode operation for three distinct wavelengths (532, 1064 and 1550nm). In the spatial diversity communication setting, analysis is performed using multiple-transceiver configurations. Analysis includes both received signal's statistical and temporal spectral characteristics.

Paper Details

Date Published: 19 March 2013
PDF: 10 pages
Proc. SPIE 8610, Free-Space Laser Communication and Atmospheric Propagation XXV, 86100X (19 March 2013); doi: 10.1117/12.2007321
Show Author Affiliations
Jean Minet, Univ. of Dayton (United States)
Mikhail A. Vorontsov, Univ. of Dayton (United States)
Optonicus (United States)
G. Wu, Optonicus (United States)
Daniel Dolfi, Thales Research & Technology (France)


Published in SPIE Proceedings Vol. 8610:
Free-Space Laser Communication and Atmospheric Propagation XXV
Hamid Hemmati; Don M. Boroson, Editor(s)

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