中国激光, 2016, 43 (9): 0906001, 网络出版: 2018-05-25   

采用级联方式实现430 km高精度频率传递

High Precise Frequency Transfer over a 430 km Fiber Backbone Network Using Cascaded System
作者单位
1 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
2 中国科学与技术大学量子信息与量子科技前沿协同创新中心, 合肥 安徽 230026
3 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
摘要
通过级联方式在京沪光纤骨干网中实现了430 km的高精度频率传递。该级联系统包含了280 km和150 km两级系统,同时为了补偿光纤损耗,在两级链路中采用了低噪声高对称的双向掺铒光纤放大器。当每一级传递系统通过光学补偿方式达到稳定后,整个级联系统引入的频率不稳定度为在1 s处1.02×10-13和在104 s处8.24×10-17,实验结果验证了级联系统的实际结果与两级系统计算结果之间符合误差理论。
Abstract
High precise frequency transfer is realized in partial Beijing-Shanghai optical fiber backbone network of 430 km using the cascaded method. The entire cascaded system is comprised of two stages with fiber links of 280 km and 150 km, respectively. To keep high symmetry and low noise, specific bi-directional Erbium-doped fiber amplifiers are used to compensate the large optical attenuation of each fiber link. When the whole system achieves stable status by optical compensation method, the stabilities of 1.02×10-13 at 1 s and 8.24×10-17at 104 s are obtained. Experimental results verify that the actual results of the cascaded system are in accord with the error theoretical ones calculated from the results of two stages.
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刘琴, 韩圣龙, 王家亮, 冯子桐, 陈炜, 程楠, 桂有珍, 蔡海文, 韩申生. 采用级联方式实现430 km高精度频率传递[J]. 中国激光, 2016, 43(9): 0906001. Liu Qin, Han Shenglong, Wang Jialiang, Feng Zitong, Chen Wei, Cheng Nan, Gui Youzhen, Cai Haiwen, Han Shensheng. High Precise Frequency Transfer over a 430 km Fiber Backbone Network Using Cascaded System[J]. Chinese Journal of Lasers, 2016, 43(9): 0906001.

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