| 单模光纤二阶偏振模色散的Jones矩阵 |
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| 引用本文： | 孙学明,张慧剑,左萌,顾畹仪,徐大雄.单模光纤二阶偏振模色散的Jones矩阵[J].应用光学,2005,26(1):12-15. |
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| 作者姓名： | 孙学明 张慧剑 左萌 顾畹仪 徐大雄 |
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| 作者单位： | 1. 北京邮电大学,北京,100876;北京电子科技学院,北京,100070
2. 北京邮电大学,北京,100876 |
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| 摘 要： | 利用单模光纤PMD矢量与Jones矩阵之间的关系,推导了由该矢量表示的光纤二阶PMD的Jones矩阵解析表达式,利用该矩阵可以确定输出端时域脉冲在二阶PMD近似下的表达式,并由此仿真二阶PMD对信号传输质量的影响.通过比较输入与输出信号脉冲波形和眼图发现,随着传输速率和传输距离的增加输出信号劣化.最后结果表明,当主偏振态的旋转速率为零时,二阶PMD的影响可以忽略;但当其值增大时,输出信号劣化严重.在光纤通信系统设计时,需要考虑偏振模色散影响分析结果,可提供参考依据.
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| 关 键 词： | 单模光纤 Stokes矢量 Jones矩阵 PMD矢量 主偏振态 群时延差 |
| 文章编号： | 1002-2082(2005)01-0012-04 |
| 收稿时间： | 2003/12/15 |
Jones Matrix for Second-order Polarization Mode Dispersion of a Single-Mode Fiber |
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| SUN Xue-ming,ZHANG Hui-jian,ZUO Meng,GU Wan-yi,XU Da-xiong.Jones Matrix for Second-order Polarization Mode Dispersion of a Single-Mode Fiber[J].Journal of Applied Optics,2005,26(1):12-15. |
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| Authors: | SUN Xue-ming ZHANG Hui-jian ZUO Meng GU Wan-yi XU Da-xiong |
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| Institution: | 1. Beijing University of Posts and Telecommunications, Beijing 100876, China; 2. Beijing Institute of Electronic and Science Technology, Beijing 100070, China |
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| Abstract: | The analytical expression of Jones matrix for second-order PMD of a single-mode fiber has been derived from the relation between PMD vector and Jones matrix.This matrix could be used to determine the output temporal pulse expression in a second-order PMD approximation and it is applied to simulate the impact of PMD on the quality of signal transmission.It shows that the signal will become bad with the increase of transmission velocity and distance by comparing the wave figure and eye diagram of input and output pulse. Furthermore, the influence of the second-order PMD must be considered when the rotation velocity of principal states of polarization(PSP) increases. Above results can be used to design fiber-optic communication systems when the impact of PMD needs to be considered. |
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| Keywords: | single-mode fiber Stokes vector Jones matrix PMD vector principal state of polarization(PSP) differential group delay(DGD) |
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