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Chaos 22, 013113 (2012); http://dx.doi.org/10.1063/1.3675623 (10 pages)

Symmetry chaotic attractors and bursting dynamics of semiconductor lasers subjected to optical injection

A. D. Mengue and B. Z. Essimbi

Department of Physics, Faculty of Science, University of Yaounde 1, P.O. Box 812, Yaounde, Cameroon

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(Received 8 June 2011; accepted 14 December 2011; published online 1 February 2012)

This paper presents the nonlinear dynamics and bifurcations of optically injected semiconductor lasers in the frame of relative high injection strength. The behavior of the system is explored by means of bifurcation diagrams; however, the exact nature of the involved dynamics is well described by a detailed study of the dynamics evolutions as a function of the effective gain coefficient. As results, we notice the different types of symmetry chaotic attractors with the riddled basins, supercritical pitchfork and Hopf bifurcations, crisis of attractors, instability of chaos, symmetry breaking and restoring bifurcations, and the phenomena of the bursting behavior as well as two connected parts of the same chaotic attractor which merge in a periodic orbit.

© 2012 American Institute of Physics

Article Outline

  1. INTRODUCTION
  2. THE RATE EQUATION MODEL
  3. RESULTS AND DISCUSSIONS
    1. Analysis of the bifurcation diagrams
    2. Symmetric chaotic attractors
    3. Riddled basins
    4. Influence of the effective gain coefficient
    5. Influence of the injection power
  4. CONCLUSION

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1054-1500 (print)  
1089-7682 (online)

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