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Dynamic PMD Compensation for 160Gbit/s OTDM Systems

机译:适用于160Gbit / s OTDM系统的动态PMD补偿

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By using thin membrane plating technology in collimating lens, we successfully manufacture a 160Gbit/s time-division multiplexer basing on the combination of fiber and space structure method. The multiplexer is flexible according to your practical need, which can output 20, 40, 80, or 160Gbit/s signal. For 20, 40, 80 or 160Gbit/s multiplexer, insertion losses are 4dB, 6dB, 8dB and 16dB respectively. The low insertion loss provides maximum transmission power. It also has such features: polarization insensitivity, very short coherence length, high time-delay accuracy, and excellent temperature stability. An experiment of two degrees PMD compensation in 160Gbit/s RZ optical communication system is achieved. The PMD monitoring technique is based on DOP as error signal. A practical adaptive optimization algorithm was introduced in dynamic adaptive PMD compensation. The experimental results show the improvement in PMD. With this compensator, a significant improvement of system performance can be achieved by auto-correlative curves. The 2.5ps first-order and 15ps~2 second-order PMD are compensated. The PMD compensating time is less than 100ms.
机译:通过在准直透镜中使用薄膜镀膜技术,我们成功地制造出了一种结合光纤和空间结构方法的160Gbit / s时分多路复用器。多路复用器可以根据您的实际需求灵活地选择输出20、40、80或160Gbit / s的信号。对于20、40、80或160Gbit / s的多路复用器,插入损耗分别为4dB,6dB,8dB和16dB。低插入损耗可提供最大的发射功率。它还具有以下特性:极化不敏感,相干长度非常短,高延时精度以及出色的温度稳定性。在160Gbit / s RZ光通信系统中实现了两度PMD补偿的实验。 PMD监视技术基于DOP作为错误信号。在动态自适应PMD补偿中引入了一种实用的自适应优化算法。实验结果表明PMD有所改善。使用该补偿器,可以通过自相关曲线显着改善系统性能。补偿2.5ps一阶和15ps〜2二阶PMD。 PMD补偿时间小于100ms。

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