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Experimental investigation on the nonlinear dynamic characteristics of mutually delay-coupled semiconductor lasers system

YUAN-YUAN LIU1, GUANG-QIONG XIA1,2, TAO DENG1, YUAN HE1, ZHENG-MAO WU1,2,*

Affiliation

  1. School of Physics, Southwest University, Chongqing 400715, China
  2. State key Lab of Millimeter Waves, Southeast University, Nanjing 210096, China

Abstract

For a system of mutually coupled semiconductor lasers (SLs) with nanosecond (ns) order delay time, the nonlinear dynamic characteristics of this system have been investigated experimentally. Under different relative coupling level k and frequency detuning ∆ν (=ν1-ν2, where ν1, ν2 are the free-running frequencies of SL1 and SL2, respectively), diverse nonlinear dynamic behaviors such as stable locking (S), four-wave mixing (FWM), period-one (P1), period-two (P2), period-three (P3), period-four (P4), multi-period (Pm), quasi-period (QP) and chaos (CO), have been observed. Furthermore, a map of dynamical states in the parameter space consisting of the relative coupling level k and the frequency detuning ∆ν have also been given..

Keywords

Semiconductor lasers, Mutually delay-coupled system, Nonlinear dynamics.

Submitted at: Oct. 18, 2010
Accepted at: June 9, 2011

Citation

YUAN-YUAN LIU, GUANG-QIONG XIA, TAO DENG, YUAN HE, ZHENG-MAO WU, Experimental investigation on the nonlinear dynamic characteristics of mutually delay-coupled semiconductor lasers system, Journal of Optoelectronics and Advanced Materials Vol. 13, Iss. 6, pp. 613-616 (2011)