| PMD致展宽及对不同码型的影响 |
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| 引用本文： | 邵钟浩,沈晓强,于娟.PMD致展宽及对不同码型的影响[J].通信技术,2002(8):20-22. |
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| 作者姓名： | 邵钟浩 沈晓强 于娟 |
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| 作者单位： | 南京邮电学院通信与信息工程系,南京,210003 |
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| 摘 要： | 首先从理论上系统地分析了由光纤偏振模色散(PMD)引起的传输光脉冲的展宽,给出了脉冲展宽的计算公式;然后分析、比较了PMD对采用不同码型的传输系统性能的影响,结果表明,PMD对采用预啁啾码(CRZ)的传输系统的性能影响最小;最后采用数值仿真方法对分析结果进行了验证。
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| 关 键 词： | 偏振模色散(PMD) 脉冲展宽 琼斯矩阵 调制方式 |
| 修稿时间： | 2002年4月5日 |
Polarization Mode Dispersion- induced Pulse Broadening and Its Influence on Different Modulation Formats in System |
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| Shao Zhonghao Shen Xiaoqiang Yu Juan.Polarization Mode Dispersion- induced Pulse Broadening and Its Influence on Different Modulation Formats in System[J].Communications Technology,2002(8):20-22. |
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| Authors: | Shao Zhonghao Shen Xiaoqiang Yu Juan |
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| Abstract: | This paper derives a simple and exact analytical expression for pulse bro adening in the fiber transmission system sufferin g from polarization mode dispersion;analyzes and compares the transmis-sion performance of NRZ,RZ,DMS,and CRZ formats in the presence of PMD;th en verifies the result of analysis by numerical simulation. |
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| Keywords: | polarization mode dispersion(PMD) pulse broadening Jones matrix mo dulation for-mats |
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