中国激光, 2011, 38 (4): 0402013, 网络出版: 2011-04-02   

光反馈垂直腔面发射半导体激光器的混沌驱动同步

Chaos Driving Synchronization of Vertical Cavity Surface Emitting Lasers with Optical Feedback
作者单位
1 解放军信息工程大学理学院数理系, 河南 郑州 450001
2 第二炮兵士官学校, 山东 青州 262500
摘要
基于光反馈垂直腔面发射半导体激光器动力学模型,通过分析光子数密度随光反馈强度变化的分岔情况,确定了激光器处于混沌态时的参数区间。利用混沌信号驱动同步方案,实现了两个被驱动激光器的精确混沌同步,并通过对两个被驱动激光器相关系数的分析,确定了它们达到精确混沌同步的参数区间。研究了参数失配对同步的影响,结果表明该同步方案有很好的稳健性。
Abstract
Basing on the dynamic model of the vertical cavity surface emitting laser with optical feedback, the parameter range for the laser being in chaos is confirmed by analyzing the bifurcation of the photon density for feedback strength. Then a chaos driving synchronization scheme for the lasers is presented. The synchronization of two driven lasers can be well realized by the scheme. The parameter ranges for two driven lasers being in the synchronization are also confirmed by analyzing their correlation coefficient. At last, the influence of parameter mismatch on synchronization is investigated. The result shows that the scheme has a good robustness.
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张胜海, 谭建锋, 杨华, 王伟. 光反馈垂直腔面发射半导体激光器的混沌驱动同步[J]. 中国激光, 2011, 38(4): 0402013. Zhang Shenghai, Tan Jianfeng, Yang Hua, Wang Wei. Chaos Driving Synchronization of Vertical Cavity Surface Emitting Lasers with Optical Feedback[J]. Chinese Journal of Lasers, 2011, 38(4): 0402013.

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