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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 16 — Jun. 1, 2012
  • pp: 3145–3152

Experimental verification of the limits of optical channel intensity reciprocity

Dirk Giggenbach, William Cowley, Ken Grant, and Nicolas Perlot  »View Author Affiliations


Applied Optics, Vol. 51, Issue 16, pp. 3145-3152 (2012)
http://dx.doi.org/10.1364/AO.51.003145


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Abstract

Optical data links through the atmosphere suffer from turbulence-induced signal scintillation. In a coaxially-symmetric bidirectional link scenario, the variations of the axial intensities at both ends are correlated. This relation can be used as an inherent feedback mechanism, with negligible delay, to enhance the capacity of the transmission system. By experiment, we show the correlation coefficient of both received signals can reach values close to one over long atmospheric distances, provided the receiver apertures are smaller than specific intensity speckle structures, while the correlation reduces gradually with larger apertures. This allows transmission capacity to be optimized with adaptive transceiver systems that take into account the degree of correlation.

© 2012 Optical Society of America

OCIS Codes
(010.1300) Atmospheric and oceanic optics : Atmospheric propagation
(060.2605) Fiber optics and optical communications : Free-space optical communication

ToC Category:
Atmospheric and Oceanic Optics

History
Original Manuscript: February 10, 2012
Manuscript Accepted: March 1, 2012
Published: May 22, 2012

Citation
Dirk Giggenbach, William Cowley, Ken Grant, and Nicolas Perlot, "Experimental verification of the limits of optical channel intensity reciprocity," Appl. Opt. 51, 3145-3152 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-16-3145


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