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Influences of incoherent optical feedback on the nonlinear dynamical characteristics of an optically injected semiconductor laser

XIN-XIN PING1, XIAO-DONG LIN1, ZHENG-MAO WU1, LI WANG1, GUANG-QIONG XIA1,2,*

Affiliation

  1. School of Physics, Southwest University, Chongqing 400715, China
  2. Key Lab of Fiber Sensing and Communications, Ministry of National Education, University of Electronic Science and Technology of China, Chengdu 610054, China

Abstract

In this paper, the influences of incoherent optical feedback on the nonlinear dynamical characteristics of an optically injected semiconductor laser (SL) have been investigated numerically. Based on the bifurcation diagram of the extrema of peak series, it can be found that, after introducing incoherent optical feedback, the nonlinear dynamics of an optically injected SL will follow different routes to chaos oscillation. Period-doubling pulsing route and quasi-periodic pulsing route have been observed, which are different from that found in an optically injected SL without incoherence optical feedback. Mappings of dynamic states in the parameters space are plotted for different incoherence feedback strengths. Compared with an optically injected SL without incoherent optical feedback, a larger expansion of chaos region is observed.

Keywords

Semiconductor laser (SL), Nonlinear dynamics, Optical injection, Incoherent optical feedback.

Citation

XIN-XIN PING, XIAO-DONG LIN, ZHENG-MAO WU, LI WANG, GUANG-QIONG XIA, Influences of incoherent optical feedback on the nonlinear dynamical characteristics of an optically injected semiconductor laser, Optoelectronics and Advanced Materials - Rapid Communications, 4, 8, August 2010, pp.1095-1098 (2010).

Submitted at: June 21, 2010

Accepted at: Aug. 12, 2010