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Conferences > CLEO_SI > 2020 > SM2N > SM2N.4

A Coherent Optical Fiber Link for Very Long Baseline Interferometry

Cecilia Clivati, Roberto Aiello, Giuseppe Bianco, Claudio Bortolotti, Valentina Di Sarno, Pasquale Maddaloni, Filippo Levi, Giuseppe Maccaferri, Alberto Mura, Monia Negusini, Federico Perini, Mauro Roma, Roberto Ricci, Luigi Santamaria Amato, Mario Siciliani De Cumis, Matteo Stagni, and Davide Calonico

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Abstract

We realize a phase-stabilised optical fiber backbone that connects the Italian National Metrology Institute with two radio telescopes over a 600 km baseline. This allows referencing of Very Long Baseline Interferometry (VLBI) facilities with the best atomic frequency standards available today and the implementation of a common-clock architecture, which we are now using to assess VLBI ultimate performances.

© 2020 The Author(s)

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