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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 7 — Mar. 29, 2010
  • pp: 6661–6666

Time delay signature concealment of optical feedback induced chaos in an external cavity semiconductor laser

Jia-Gui Wu, Guang-Qiong Xia, Xi Tang, Xiao-Dong Lin, Tao Deng, Li Fan, and Zheng-Mao Wu  »View Author Affiliations

Optics Express, Vol. 18, Issue 7, pp. 6661-6666 (2010)

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The time delay (TD) signature concealment of optical feedback induced chaos in an external cavity semiconductor laser is experimentally demonstrated. Both the evolution curve and the distribution map of TD signature are obtained in the parameter space of external feedback strength and injection current. The optimum parameter scope of the TD signature concealment is also specified. Furthermore, the approximately periodic evolution relation between TD signature and external cavity length is observed and indicates that the intrinsic relaxation oscillation of semiconductor laser may play an important role during the process of TD signature suppression.

© 2010 OSA

OCIS Codes
(140.5960) Lasers and laser optics : Semiconductor lasers
(190.3100) Nonlinear optics : Instabilities and chaos

ToC Category:
Lasers and Laser Optics

Original Manuscript: January 5, 2010
Revised Manuscript: February 5, 2010
Manuscript Accepted: March 9, 2010
Published: March 16, 2010

Jia-Gui Wu, Guang-Qiong Xia, Xi Tang, Xiao-Dong Lin, Tao Deng, Li Fan, and Zheng-Mao Wu, "Time delay signature concealment of optical feedback induced chaos in an external cavity semiconductor laser," Opt. Express 18, 6661-6666 (2010)

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