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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 9 — Apr. 27, 2009
  • pp: 7556–7561

Hybrid electronic/optical synchronized chaos communication system

J P Toomey, D M Kane, A Davidović, and E H Huntington  »View Author Affiliations


Optics Express, Vol. 17, Issue 9, pp. 7556-7561 (2009)
http://dx.doi.org/10.1364/OE.17.007556


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Abstract

A hybrid electronic/optical system for synchronizing a chaotic receiver to a chaotic transmitter has been demonstrated. The chaotic signal is generated electronically and injected, in addition to a constant bias current, to a semiconductor laser to produce an optical carrier for transmission. The optical chaotic carrier is photodetected to regenerate an electronic signal for synchronization in a matched electronic receiver. The system has been successfully used for the transmission and recovery of a chaos masked message that is added to the chaotic optical carrier. Past demonstrations of synchronized chaos based, secure communication systems have used either an electronic chaotic carrier or an optical chaotic carrier (such as the chaotic output of various nonlinear laser systems). This is the first electronic/optical hybrid system to be demonstrated. We call this generation of a chaotic optical carrier by electronic injection.

© 2009 Optical Society of America

OCIS Codes
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.1540) Lasers and laser optics : Chaos
(140.2020) Lasers and laser optics : Diode lasers
(190.3100) Nonlinear optics : Instabilities and chaos
(060.2605) Fiber optics and optical communications : Free-space optical communication

ToC Category:
Fiber Optics and Optical Communications

History
Original Manuscript: January 30, 2009
Revised Manuscript: April 6, 2009
Manuscript Accepted: April 15, 2009
Published: April 23, 2009

Citation
J. P. Toomey, D. M. Kane, A. Davidovic, and E. H. Huntington, "Hybrid electronic/optical synchronized chaos communication system," Opt. Express 17, 7556-7561 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-9-7556


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