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Time Transfer in a 1839-km Telecommunication Fiber Link Demonstrating a Picosecond-Scale Stability

文献类型：期刊论文

作者Guo, Xinxing3,4; Hou, Bing'an2; Liu, Bo3,4; Yang, Fan2; Kong, Weicheng3,4; Liu, Tao1,3,4; Dong, Ruifang1,3,4; Zhang, Shougang1,3,4
刊名CHINESE PHYSICS LETTERS
出版日期2024-06-01
卷号41期号:6页码:5
ISSN号0256-307X
DOI10.1088/0256-307X/41/6/064202
英文摘要An implementation of high-precision time transfer over a 1839-km field fiber loop back link between two provincial capitals of China, Xi'an and Taiyuan, is reported. Time transfer stabilities of 6.5 ps at averaging time of 1 s and 4.6 ps at 40000 s were achieved. The uncertainty for the time transfer system was evaluated, showing a budget of 56.2 ps. These results stand for a significant milestone in achieving high-precision time transfer over a field fiber link spanning thousands of kilometers, signifying a record-breaking achievement for the real-field time transfer in both stability and distance, which paves the way for constructing the nationwide high-precision time service via fiber network.
WOS关键词OPTICAL-FIBERS ; PRECISION ; FREQUENCY ; TEMPERATURE
资助项目National Major Science and Technology Infrastructure Project of China[2017-000052-73-01-002401] ; National Natural Science Foundation of China[12033007]
WOS研究方向Physics
语种英语
WOS记录号WOS:001254850100001
出版者IOP Publishing Ltd
资助机构National Major Science and Technology Infrastructure Project of China ; National Major Science and Technology Infrastructure Project of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Major Science and Technology Infrastructure Project of China ; National Major Science and Technology Infrastructure Project of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Major Science and Technology Infrastructure Project of China ; National Major Science and Technology Infrastructure Project of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Major Science and Technology Infrastructure Project of China ; National Major Science and Technology Infrastructure Project of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China
源URL[http://210.72.145.45/handle/361003/14496]  
专题国家授时中心_量子频标研究室
通讯作者Liu, Tao; Dong, Ruifang; Zhang, Shougang
作者单位1.Hefei Natl Lab, Hefei 230088, Peoples R China
2.Sichuan Taifu Ground Beidou Technol Co Ltd, Chengdu 610093, Peoples R China
3.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Natl Time Serv Ctr, Key Lab Time & Frequency Primary Stand, Xian 710600, Peoples R China
推荐引用方式
GB/T 7714		 Guo, Xinxing,Hou, Bing'an,Liu, Bo,et al. Time Transfer in a 1839-km Telecommunication Fiber Link Demonstrating a Picosecond-Scale Stability[J]. CHINESE PHYSICS LETTERS,2024,41(6):5.
APA Guo, Xinxing.,Hou, Bing'an.,Liu, Bo.,Yang, Fan.,Kong, Weicheng.,...&Zhang, Shougang.(2024).Time Transfer in a 1839-km Telecommunication Fiber Link Demonstrating a Picosecond-Scale Stability.CHINESE PHYSICS LETTERS,41(6),5.
MLA Guo, Xinxing,et al."Time Transfer in a 1839-km Telecommunication Fiber Link Demonstrating a Picosecond-Scale Stability".CHINESE PHYSICS LETTERS 41.6(2024):5.

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来源：国家授时中心

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