| 基于SOA偏振旋转光开关的性能研究 |
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| 引用本文： | 孙世菊,吴重庆.基于SOA偏振旋转光开关的性能研究[J].光学与光电技术,2009,7(6):18-20. |
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| 作者姓名： | 孙世菊 吴重庆 |
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| 作者单位： | 1. 北京电子科技职业学院,北京,100044
2. 北京交通大学光信息科学与技术研究所,北京,100044 |
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| 摘 要： | 利用SOA中的偏振主态的概念，理论分析了SOA中的偏振旋转的问题，并以此为基础提出了一种基于SOA中偏振旋转的光开关。这种光开关以SOA和偏振分柬器（Polarization Beam Combiner，PBC）为核心元件，利用光在SOA中的偏振旋转实现了光信号的开关，这种光开关具有开关速度快，功率均衡，易集成等优点，实验得到的开关消光比达到24dB以上，开关速度达到20ns。
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| 关 键 词： | 半导体光放大器 偏振合束器 偏振旋转 偏振主态 |
All-optical switching based the Nonlinear Polarization Rotation in SOA |
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| SUN Shi-ju,WU Chong-qing.All-optical switching based the Nonlinear Polarization Rotation in SOA[J].optics&optoelectronic technology,2009,7(6):18-20. |
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| Authors: | SUN Shi-ju WU Chong-qing |
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| Institution: | 1 Beijing Vocational College of Electronic Science, Beijing 100044, China; 2 Institute of Optical Information, Beijing Jiaotong University, Beijing 100044, China ) |
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| Abstract: | In this paper, we analyze the nonlinear polarization rotation in SOA with the concept of principal states of polarizations. And then we present the all-optical switching based on the nonlinear polarization rotation in SOA. This switching has the advantages of power equalization, fast switching speed and insusceptible to nonlinear effect. The switching speed is 20 ns and the extinction ratio is 24 dB. |
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| Keywords: | semiconductor optical amplifier polarization beam combiner polarization rotation principal states of polarizations |
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