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Remote Comparison of Two Sr Optical Lattice Clocks through a 58 km Fiber Link

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【作者】廖堂银；刘豪；孟飞；王强；杨涛；田昊晨；卢炳坤；朱琳；李烨；林百科；方占军；林弋戈；

【Author】 Tang-Yin Liao;Hao Liu;Fei Meng;Qiang Wang;Tao Yang;Hao-Chen Tian;Bing-Kun Lu;Lin Zhu;Ye Li;Bai-Ke Lin;Zhan-Jun Fang;Yi-Ge Lin;Division of Time and Frequency Metrology, National Institute of Metrology;Department of Precision Instrument, Tsinghua University;Key Laboratory of Time Frequency and Gravity Primary Standard, State Administration for Market Regulation;Institute of Precision Optical Engineering, School of Physics Science and Engineering, Tongji University;Hefei National Laboratory;

【通讯作者】林弋戈;

【机构】 Division of Time and Frequency Metrology, National Institute of Metrology； Department of Precision Instrument, Tsinghua University； Key Laboratory of Time Frequency and Gravity Primary Standard, State Administration for Market Regulation； Institute of Precision Optical Engineering, School of Physics Science and Engineering, Tongji University； Hefei National Laboratory；

【摘要】 <正>Two ⁸⁷Sr optical lattice clocks（OLCs） are being developed and operated at the National Institute of Metrology（NIM）, located on different campuses that are 40 km apart. In order to compare the optical frequencies of these two Sr OLCs, a 58-km noise canceled fiber link is built to transfer both a 1542-nm transfer laser and a microwave reference from Changping campus to Hepingli campus.更多还原

【关键词】 campus； operated； apart； microwave；

【基金】 supported by the National Key R&D Program of China (Grant No. 2021YFF0603802);the National Natural Science Foundation of China (Grant No. 61905231);the State Administration for Market Regulation (Grant No. CXTD202301);the Innovation Program for Quantum Science and Technology (Grant No. 2021ZD0300902)

【文献出处】 Chinese Physics Letters ,中国物理快报(英文版) , 编辑部邮箱 ,2025年03期

【分类号】TN253;TN248;TB939
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