中国激光, 2018, 45 (1): 0106003, 网络出版: 2018-01-24   

光纤通信网中波长选择开关的时频传递性能 下载: 910次

Time-Frequency Transfer Performance of Wavelength Selection Switch in Optical Fiber Communication Network
作者单位
1 中国科学院大学, 北京 100049
2 中国科学院上海光学精密机械研究所上海市全固态激光器与应用技术重点实验室, 上海 201800
3 中国科学院上海光学精密机械研究所中科院量子光学重点实验室, 上海 201800
4 中国科学技术大学, 合肥 安徽 230026
5 中国科学院电磁空间信息重点实验室, 合肥 安徽 230027
摘要
为了适应高精度光纤时频传递与光纤通信网融合的发展趋势, 对光纤通信网中常用的波长选择开关(WSS)的时频传递性能进行了研究。基于波分复用、单纤双向还回和光学真时延补偿的方案搭建了一套高精度光纤时频传递系统, 研究了WSS的输出端口、输出损耗和输入光信号的偏振态变化对时频传递性能的影响, 并在此基础上研究了含WSS的时频传递系统的开闭环特性以及闭环情况下WSS的动态切换对时频传递系统的影响。实验结果表明, WSS的引入对光纤时频传递性能的影响是可以控制的, 证实了在含WSS的商用光纤通信网中进行高精度时频传递是可行的。
Abstract
To adapt to the development trend of combining high precision fiber time-frequency transfer with optical fiber communication network, the time-frequency transfer performance of wavelength selection switch (WSS) which is commonly used in optical fiber communication network is studied. A system with high precision fiber time-frequency transfer is established based on the wavelength division multiplexing, bidirectional return and optical real time delay compensation scheme. The effects of output ports, output loss and variation of polarization state of input optical signal on the time-frequency transfer performance of the system are discussed. In addition, the open-loop and closed-loop performance of time-frequency transfer system including WSS and the influence of dynamic switching performance of WSS under closed-loop on the time-frequency transfer system are studied. The experimental results show that the effect of WSS on the fiber time-frequency transfer performance can be controlled, and it is proved that the high precision time-frequency transfer in the commercial optical fiber communication network with WSS is feasible.

熊晓锋, 杨飞, 桂有珍, 蔡海文, 苏觉, 朱祖勍. 光纤通信网中波长选择开关的时频传递性能[J]. 中国激光, 2018, 45(1): 0106003. Xiong Xiaofeng, Yang Fei, Gui Youzhen, Cai Haiwen, Su Jue, Zhu Zuqing. Time-Frequency Transfer Performance of Wavelength Selection Switch in Optical Fiber Communication Network[J]. Chinese Journal of Lasers, 2018, 45(1): 0106003.

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