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