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光注入控制的半导体激光器的混沌及其同步

Chaos and Chaos synchronization in Semiconductor Lasers with Optical Injection Controuing
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摘要 利用数值模拟的方法研究了受控于注入光的半导体激光器的非线性动力学特性及其混沌同步。首先从振幅的时间序列图、频谱图和相图三个方面对倍周期分叉过程做了更为清晰、直观的分析,给出了光场极大值随光注入参数变化的分叉图,从中可以清晰地看到倍周期分叉、逆分叉过程以及所产生的混沌区域,在此基础上研究了受光注入扰动的半导体激光器的混沌同步。数值模拟表明两激光器达到了较好的同步。 Nonlinear dynamical characteristics and chaos synchronization in semiconductor lasers with optical injection controuing are investigated numerically. The detailed analysis of time series, power spectra, correlation plot and bifurcation diagram versus injection strength shows the progress of bifurcation, reverse bifurcation and clear chaos area. And we have investigated chaos synchronization using this semiconductor lasers. Numerical simulation shows that synchronization can be realized preferably in this system.
出处 《长春理工大学学报(自然科学版)》 2006年第1期38-41,55,共5页 Journal of Changchun University of Science and Technology(Natural Science Edition)
基金 国家自然科学基金"博士启动基金"项目(10547111)
关键词 半导体激光器 混沌同步 光注入 倍周期分叉 非线性动力学 semiconductor laser chaos synchronization optical injection bifurcation nonlinear dynamics
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参考文献14

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