Simultaneous transmission of time-frequency and data with co-amplification over urban fiber links

被引：0
|
作者：
操前 [1 ,2 ]
童周 [2 ]
刘雷 [2 ]
王家亮 [2 ]
应康 [3 ]
庞拂飞 [1 ]
桂有珍 [2 ,4 ]
机构：
[1] Key Laboratory of Specialty Fiber Optics and Optical Access Networks,School of Communication and Information Engineering,Shanghai University
[2] Key Laboratory for Quantum Optics,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences
[3] Key Laboratory of Space Laser Communication and Detection Technology,Shanghai Institute of Optics and Fine Mechanics,Chinese Academy of Sciences
[4] Center of Materials Science and Optoelectronics Engineering,University of Chinese Academy of Sciences
来源：
Chinese Optics Letters | 2024年 / 22卷 / 01期
基金：
中国国家自然科学基金; 上海市自然科学基金;
关键词：
D O I：
暂无
中图分类号：
TN929.11 [光纤通信];
学科分类号：
摘要：
We demonstrate a simultaneous transmission of time-frequency and data over a 160-km urban business network in Shanghai. The signals are transmitted through a cascaded optical link consisting of 48 km and 32 km, which are connected by an optical relay. The metrological signals are inserted into the communication network using dense wavelength division multiplexing. The influence of the interference between different signals has been discussed. The experimental results demonstrate that the radio frequency(RF) instability can reach 2.1 × 10-14at 1 s and 2.3 × 10-17at 10,000 s, and the time interval transfer of one pulse per second(1 PPS) signal with less than 10 ps at 1 s is obtained. This work paves the way for the widespread dissemination of ultra-stable time and frequency signals over the communication networks.
引用
收藏
页码：33 / 38
页数：6
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