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偏振失配对非线性光纤环镜微波光子开关的影响

Impact of the polarization dismatch on NOLM microwave photonic switch
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摘要 基于考虑偏振态的耦合非线性薛定谔方程,采用分步傅立叶法分析了控制光与信号光偏振失配对双耦合器非线性光纤环境(NOLM)微波光子开关性能的影响.研究表明,偏振失配造成NOLM输出信号强度波动,严重影响NOLM性能,尤其是在大调制带宽时NOLM对偏振失配极为敏感.偏振失配造成NOLM输出眼图和信噪比急剧恶化并导致较大的强度波动. The impact of the polarization dismatch between the control light and the signal light on the NOLM microwave photonic switch with two couplers was simulated by the split-step Fourier method（SSFM） that can solve the coupled nonlinear Schrdinger equation（CNLSE） including the polarization effect.It is obtained by simulation that the intensity fluctuation of the output signal is induced by the polarization dismatch.NOLM is very sensitive to the polarization dismatch especially in the case of large modulation bandwidth.The eye graphs and the signal-to-noise ratio（SNR） of the NOLM output are deteriorated and the intensity fluctuation is aggravated by the polarization dismatch.
作者 袁明辉 王得赐
机构地区 上海理工大学光电信息与计算机工程学院
出处 《上海理工大学学报》 CAS 北大核心 2010年第6期569-572,共4页 Journal of University of Shanghai For Science and Technology
基金 上海市高校优秀青年教师科研专项基金资助项目(slg06007)
关键词 物理电子学 全光开关 非线性光纤环镜 偏振失配 强度波动 physical electronics all optical switch nonlinear optical loop mirror（NOLM） polarization dismatch intensity fluctuation
分类号 TN929 [电子电信—通信与信息系统]
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参考文献11

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共引文献2

上海理工大学学报
2010年 第6期

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