| 平面光波导均衡器补偿偏振模色散的研究 |
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| 引用本文： | 李谦 李康 孔繁敏 许峰. 平面光波导均衡器补偿偏振模色散的研究[J]. 山东大学学报(理学版), 2005, 40(5): 81-84 |
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| 作者姓名： | 李谦 李康 孔繁敏 许峰 |
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| 作者单位： | 山东大学信息科学与工程学院,山东济南 250100 |
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| 摘 要： | 为了实现对光通信系统中偏振模色散（polarization mode dispersion，PMD）的补偿，构建了一个较完整的光通信系统的仿真模型，改进了原有的基于最小均方误差（minimum squareerror，MSE）算法控制的平面光波导（planar lightwave circuit，PLC）均衡器．对比了经过补偿和未经补偿的2种情况下的系统性能，并研究分析了不同阶数PLC光均衡器的补偿效果、结果表明，PLC均衡器可以较好地克服PMD的影响，有效地减少了光脉冲的展宽，降低了误码率．
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| 关 键 词： | 偏振模色散 平面光波导 最小MSE算法 差分群延迟 |
| 文章编号： | 1671-9352（2005）05-0081-04 |
| 收稿时间： | 2005-02-24 |
| 修稿时间： | 2005-02-24 |
Research of compensating polarization mode dispersion by planar lightwave circuit optical equalizer |
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| LI Qian, LI Kang, KONG Fan-min. Research of compensating polarization mode dispersion by planar lightwave circuit optical equalizer[J]. Journal of Shandong University, 2005, 40(5): 81-84 |
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| Authors: | LI Qian LI Kang KONG Fan-min |
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| Abstract: | In order to compensate polarization mode dispersion (PMD), a planar lightwave circuit (PLC) equalizer, based on the minimum mean square error control criterion, is proposed. The system performances of being compensated and not being compensated are compared, and the compensating performance of a series of PLC equalizers is analyzed. It is demonstrated that the PLC equalizer can decrease the optical pulse broadening and reduce the bit rate error(BER). |
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| Keywords: | PMD PLC the minimum MSE control criterion differential group delay |
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