中国激光, 2009, 36 (2): 297, 网络出版: 2009-02-23   

增益可调半导体激光器混沌偏振延时双反馈周期的控制方法

Period Chaos Controlling in a Gain-Modulated Semiconductor Laser by Delay Polarization Feedback
作者单位
南京晓庄学院物理系,江苏 南京 210017
摘要
提出增益可调半导体激光器混沌偏振延时双反馈控制方法,分别建立了垂直正交偏振延时双反馈、偏振π/2转动延时反馈控制以及同偏振面方向延时正负反馈激光动力学物理模型等。通过调节激光器外腔光路中的平面镜可控制一平面偏振反馈光的延时时间,或调节一偏振反馈光的偏振面到另一个偏振反馈光的偏振面方向上,或者通过偏振器对偏振光进行相位补偿都可以进行激光混沌控制。数值结果证明该方法可以有效控制激光混沌到周期态等。
Abstract
Control of chaos in a gain-modulated feedback semiconductor laser is studied via performing the dual-polarizing light. The laser dynamic physical models of the delay feedback orthogonal polarizing light, the π/2-rotated polarization, the synchronous polarizing directional light are presented, respectively. The chaotic laser can be controlled by adjusting the mirror in external optical path to control the delay time of the polarizing light, or conversing one polarizing light at another polarizing direction, or compensating phase of polarizing light via the polarimeter. Numerical results illustrate that the chaotic laser can be controlled to periodic states.
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颜森林. 增益可调半导体激光器混沌偏振延时双反馈周期的控制方法[J]. 中国激光, 2009, 36(2): 297. Yan Senlin. Period Chaos Controlling in a Gain-Modulated Semiconductor Laser by Delay Polarization Feedback[J]. Chinese Journal of Lasers, 2009, 36(2): 297.

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