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Optics Letters

Optics Letters

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  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 15 — Aug. 1, 2007
  • pp: 2134–2136

Subcarrier modulation in all-optical chaotic communication systems

Adonis Bogris, Konstantinos E. Chlouverakis, Apostolos Argyris, and Dimitris Syvridis  »View Author Affiliations


Optics Letters, Vol. 32, Issue 15, pp. 2134-2136 (2007)
http://dx.doi.org/10.1364/OL.32.002134


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Abstract

The enhancement of the encryption properties of chaotic signals generated by a semiconductor laser subject to optical feedback is numerically demonstrated by applying subcarrier modulation. The numerical analysis shows that the message can be very efficiently encrypted when the radio frequency carrier is within the frequency range where the chaos power density is maximized. Decoding performance is also numerically assessed considering both open- and closed-loop schemes at the receiver side. The impact of subcarrier modulation on system’s performance under the influence of parameter mismatch is highlighted.

© 2007 Optical Society of America

OCIS Codes
(140.1540) Lasers and laser optics : Chaos
(190.3100) Nonlinear optics : Instabilities and chaos

ToC Category:
Nonlinear Optics

History
Original Manuscript: March 28, 2007
Revised Manuscript: June 8, 2007
Manuscript Accepted: June 19, 2007
Published: July 20, 2007

Citation
Adonis Bogris, Konstantinos E. Chlouverakis, Apostolos Argyris, and Dimitris Syvridis, "Subcarrier modulation in all-optical chaotic communication systems," Opt. Lett. 32, 2134-2136 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-15-2134

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