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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editors: K. Bergman and V. Chan
  • Vol. 3, Iss. 2 — Feb. 1, 2011
  • pp: 145–154

Double-Laser Differential Signaling for Reducing the Effect of Background Radiation in Free-Space Optical Systems

Mohammad-Ali Khalighi, Fang Xu, Yacine Jaafar, and Salah Bourennane  »View Author Affiliations


Journal of Optical Communications and Networking, Vol. 3, Issue 2, pp. 145-154 (2011)
http://dx.doi.org/10.1364/JOCN.3.000145


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Abstract

In order to reduce the impact of background radiation on the performance of terrestrial free-space optical systems, we propose to use two laser wavelengths and to perform the data detection at the receiver in a differential mode. We consider first the case of simple on–off keying modulation and show the performance improvement by using the proposed technique when the background noise dominates. We also extend our study to the case of pulse position modulation while proposing special signaling schemes that allow an increase in the data transmission rate at the same time as reducing the background noise effect.

© 2011 OSA

OCIS Codes
(060.4080) Fiber optics and optical communications : Modulation
(060.4510) Fiber optics and optical communications : Optical communications
(060.2605) Fiber optics and optical communications : Free-space optical communication

ToC Category:
Research Papers

History
Original Manuscript: May 17, 2010
Revised Manuscript: November 24, 2010
Manuscript Accepted: November 30, 2010
Published: January 31, 2011

Citation
Mohammad-Ali Khalighi, Fang Xu, Yacine Jaafar, and Salah Bourennane, "Double-Laser Differential Signaling for Reducing the Effect of Background Radiation in Free-Space Optical Systems," J. Opt. Commun. Netw. 3, 145-154 (2011)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-3-2-145

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