期刊
APPLIED PHYSICS B-LASERS AND OPTICS
卷 98, 期 4, 页码 723-727出版社
SPRINGER HEIDELBERG
DOI: 10.1007/s00340-009-3832-1
关键词
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We report the first demonstration of a long-distance ultra-stable frequency dissemination in the microwave range. A 9.15-GHz signal is transferred through an 86-km urban optical link with a fractional frequency instability of 1.3x10(-15) at 1-s integration time and below 10(-18) at one day. The optical link phase noise compensation is performed with a round-trip method. To achieve such a result we implement light polarisation scrambling and dispersion compensation. This link outperforms all the previous radio-frequency links and compares well with recently demonstrated full optical links.
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