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Simulation and realization of a second-order quantum-interference-based quantum clock synchronization at the femtosecond level

文献类型：期刊论文

作者Quan, Runai1,2; Dong, Ruifang1,2; Zhai, Yiwei1,2; Hou, Feiyan1,2; Xiang, Xiao1,2; Zhou, Hui3,4; Lv, Chaolin3,4; Wang, Zhen3,4; You, Lixing3,4; Liu, Tao1,2
刊名OPTICS LETTERS
出版日期2019-02-01
卷号44期号:3页码:614-617
ISSN号0146-9592
DOI10.1364/OL.44.000614
英文摘要Quantum dock synchronization schemes utilizing frequency-entangled pulses have flourished for their potentially superior precision to the classical protocols. In this Letter, a new experimental record based on the second-order quantum interference algorithm is reported, to the best of our knowledge. The synchronization accuracy between two parties separated by a 6 km fiber coiling link, which is evaluated by the time offset shift relative to that with the fibers removed, has been measured to be 13 +/- 1 ps. The stability in terms of time deviation (TDEV) of 0.81 ps at an averaging time of 100 s has been achieved. The long-term synchronization stability is seen determined by the measurement device, and a minimum stability of 60 fs has been reached at 25,600 s. Furthermore, for the first time to the best of our knowledge, we quantify the performance of this quantum syndironization scheme, and very good agreements with the experimental results have been achieved. According to the quantum simulation, further improvements for both the synchronizing stability and accuracy can be expected. (C) 2019 Optical Society of America
WOS关键词TIME TRANSFER ; OPTICAL CLOCKS ; FREQUENCY ; COHERENCE
资助项目National Natural Science Foundation of China (NSFC)[61875205] ; National Natural Science Foundation of China (NSFC)[11273024] ; National Natural Science Foundation of China (NSFC)[91836301] ; National Natural Science Foundation of China (NSFC)[61025023] ; Major Research Plan[2017YFA0304000] ; Chinese Academy of Sciences (CAS)[QYZDB-SSW-JSC013] ; Chinese Academy of Sciences (CAS)[QYZDB-SSW-SLH007] ; National Youth Talent Support Program of China[[2013]33]
WOS研究方向Optics
语种英语
WOS记录号WOS:000457292400038
出版者OPTICAL SOC AMER
资助机构National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Major Research Plan ; Major Research Plan ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; National Youth Talent Support Program of China ; National Youth Talent Support Program of China ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Major Research Plan ; Major Research Plan ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; National Youth Talent Support Program of China ; National Youth Talent Support Program of China ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Major Research Plan ; Major Research Plan ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; National Youth Talent Support Program of China ; National Youth Talent Support Program of China ; National Natural Science Foundation of China (NSFC) ; National Natural Science Foundation of China (NSFC) ; Major Research Plan ; Major Research Plan ; Chinese Academy of Sciences (CAS) ; Chinese Academy of Sciences (CAS) ; National Youth Talent Support Program of China ; National Youth Talent Support Program of China
源URL[http://210.72.145.45/handle/361003/11794]  
专题中国科学院国家授时中心
通讯作者Dong, Ruifang
作者单位1.Chinese Acad Sci, Natl Time Serv Ctr, Key Lab Time & Frequency Primary Stand, Xian 710600, Shaanxi, Peoples R China
2.Univ Chinese Acad Sci, Sch Astron & Space Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, State Key Lab Funct Mat Informat, Shanghai 200050, Peoples R China
4.Chinese Acad Sci, Ctr Excellence Superconducting Elect, Shanghai 200050, Peoples R China
推荐引用方式
GB/T 7714		 Quan, Runai,Dong, Ruifang,Zhai, Yiwei,et al. Simulation and realization of a second-order quantum-interference-based quantum clock synchronization at the femtosecond level[J]. OPTICS LETTERS,2019,44(3):614-617.
APA Quan, Runai.,Dong, Ruifang.,Zhai, Yiwei.,Hou, Feiyan.,Xiang, Xiao.,...&Zhang, Shougang.(2019).Simulation and realization of a second-order quantum-interference-based quantum clock synchronization at the femtosecond level.OPTICS LETTERS,44(3),614-617.
MLA Quan, Runai,et al."Simulation and realization of a second-order quantum-interference-based quantum clock synchronization at the femtosecond level".OPTICS LETTERS 44.3(2019):614-617.

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