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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 17, Iss. 12 — Jun. 8, 2009
  • pp: 10025–10034

Synchronization by injection of common chaotic signal in semiconductor lasers with optical feedback

Isao Oowada, Hiroki Ariizumi, Mao Li, Shigeru Yoshimori, Atsushi Uchida, Kazuyuki Yoshimura, and Peter Davis  »View Author Affiliations


Optics Express, Vol. 17, Issue 12, pp. 10025-10034 (2009)
http://dx.doi.org/10.1364/OE.17.010025


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Abstract

We investigate the dynamics of two semiconductor lasers with separate optical feedback when they are driven by a common signal injected from a chaotic laser under the condition of non-identical drive and response. We experimentally and numerically show conditions under which the outputs of the two lasers can be highly correlated with each other even though the correlation with the drive signal is low. In particular, the effects of the phase of the feedback light on the correlation characteristics are described. The maximum correlation between the two response lasers is obtained when the phase of the feedback light is matched between the two response lasers, while the minimum correlation is observed when the difference in the optical phase is π. On the other hand, the correlation between the drive and response is not sensitive to the phase of the feedback light, unlike the previously studied case of identical drive and response. We numerically examine the difference between the maximum and minimum cross correlations over a wide range of parameters, and show that it is largest when there is a balance between the injection strength and the feedback strength.

© 2009 Optical Society of America

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(140.1540) Lasers and laser optics : Chaos
(140.5960) Lasers and laser optics : Semiconductor lasers
(190.3100) Nonlinear optics : Instabilities and chaos

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: April 23, 2009
Revised Manuscript: May 24, 2009
Manuscript Accepted: May 24, 2009
Published: May 29, 2009

Citation
Isao Oowada, Hiroki Ariizumi, Mao Li, Shigeru Yoshimori, Atsushi Uchida, Kazuyuki Yoshimura, and Peter Davis, "Synchronization by injection of common chaotic signal in semiconductor lasers with optical feedback," Opt. Express 17, 10025-10034 (2009)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-17-12-10025


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