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Dynamics of vertical-cavity surface-emitting laser subject to optical injection and positive optoelectronic feedback

Cao Ti Lin Xiao-Dong Xia Guang-Qiong Chen Xing-Hua Wu Zheng-Mao

Dynamics of vertical-cavity surface-emitting laser subject to optical injection and positive optoelectronic feedback

Cao Ti, Lin Xiao-Dong, Xia Guang-Qiong, Chen Xing-Hua, Wu Zheng-Mao
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  • Received Date:  15 August 2011
  • Accepted Date:  05 June 2012
  • Published Online:  05 June 2012

Dynamics of vertical-cavity surface-emitting laser subject to optical injection and positive optoelectronic feedback

  • 1. School of Physical Science and Technology, Southwest University, Chongqing 400715, China
Fund Project:  Project supported by the National Natural Science Foundation of China (Grant Nos. 60978003, 61078003, 61178011), the Natural Science Foundation of Chongqing City, China (Grant Nos. CSTC2011jjA40035, CSTC2012jjB40011), and the Special Fund for Basic Scientific Research in Central Universities, China (Grant Nos. XDJK2010C019, XDJK2009B010).

Abstract: Based on the spin-flip model (SFM), we theoretically investigate the dynamics of a vertical-cavity surface-emitting laser (VCSEL) subject to optical injection and positive optoelectronic feedback. The results show that under the joint action of positive optoelectronic feedback and optical injection from a master VCSEL (M-VCSEL), two polarization modes of a slave VCSEL (S-VCSEL) will show many dynamic states such as period one, period two, multi-period and chaos, and the evolution routes of these states are different for two polarization modes. Mapping of dynamic region as a function of feedback strength f and injection strength is varied with frequency detuning between M-VCSEL and S-VCSEL (=m-s, where m ands are the free-running frequencies of M-VCSEL and S-VCSEL, respectively). Compared with the case for zero or negative frequency detuning, the region of chaotic state is expanded significantly under positive . For a fixed , the influences of f and on the chaotic bandwidth of S-VCSEL are discussed. Through selecting proper f and , chaotic bandwidth of S-VCSEL can be improved obviously.

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