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Coherent fibre link for synchronization of delocalized atomic clocks

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Coherent fibre link for synchronization of delocalized atomic clocks

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  • Author: M. Cizek, L. Pravdova, T. M. Pham, A. Lesundak, J. Hrabina, J. Lazar, Th. Pronebner, E. Aeikens, J. Premper, O. Havlis, R. Velc, V. Smotlacha, L. Altmannova, Th. Schumm, J. Vojtech, A. Niessner, & O. Cip
Challenging experiments for tests in fundamental physics require highly coherent optical frequency references with suppressed phase noise from hundreds of kHz down to μHz of Fourier frequencies. It can be achieved by remote synchronization of many frequency references interconnected by stabilized optical fibre links. Here we describe the path to realize a delocalized optical frequency reference for spectroscopy of the isomeric state of the nucleus of Thorium-229 atom.

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