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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 22 — Aug. 1, 2012
  • pp: 5585–5590

Long-haul dense wavelength division multiplexing between a chaotic optical secure channel and a conventional fiber-optic channel

Qingchun Zhao, Hongxi Yin, and Xiaolei Chen  »View Author Affiliations


Applied Optics, Vol. 51, Issue 22, pp. 5585-5590 (2012)
http://dx.doi.org/10.1364/AO.51.005585


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Abstract

The purpose of this paper is to numerically investigate dense wavelength division multiplexing (DWDM) transmission between a chaotic optical secure channel and a conventional fiber-optic channel. A 2.5Gbits/s secure message masked by the chaotic optical secure channel and a 10Gbits/s message sequence carried by the conventional fiber-optic channel can be realized simultaneously when the channel spacing is 0.8 nm. The results show that the Q-factors of the recovered messages can be increased significantly when the launched optical power is reduced appropriately. The deterioration of the quality of communication caused by fiber dispersion can be compensated noticeably on the condition that the symmetrical dispersion compensation scheme is adopted. In addition, the secure message is masked by chaos shift keying in the chaotic optical secure channel. The multiplexing distance between the chaotic optical secure channel and the conventional fiber-optic channel is up to 500 km.

© 2012 Optical Society of America

OCIS Codes
(060.4230) Fiber optics and optical communications : Multiplexing
(140.1540) Lasers and laser optics : Chaos
(190.3100) Nonlinear optics : Instabilities and chaos

ToC Category:
Nonlinear Optics

History
Original Manuscript: April 23, 2012
Revised Manuscript: July 4, 2012
Manuscript Accepted: July 6, 2012
Published: July 31, 2012

Citation
Qingchun Zhao, Hongxi Yin, and Xiaolei Chen, "Long-haul dense wavelength division multiplexing between a chaotic optical secure channel and a conventional fiber-optic channel," Appl. Opt. 51, 5585-5590 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-22-5585

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