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Frequency measurement of a Sr optical lattice clock using a coherent optical link over a 120-km fiber

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14 Author(s)
F. -L. Hong ; National Metrology Institute of Japan (NMIJ), National Institute of Advanced Industrial Science and Technologies (AIST), Tsukuba, Ibaraki 305-8563, Japan ; M. Musha ; M. Takamoto ; H. Inaba
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We demonstrate a precision frequency measurement using a phase-stabilized 120-km optical fiber link over a physical distance of 50 km. The absolute frequency of the 87Sr optical lattice clock is measured to be 429228004229874.1(2.4) Hz.

Published in:

2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science Conference

Date of Conference:

2-4 June 2009