Multi-purpose infrastructure for dissemination of precise stable optical frequency

Josef Vojtech; Ondrej Havlis; Martin Slapak; Radek Velc; Petr Munster; Tomas Horvath; Jan Kundrat; Vladimir Smotlacha; Jan Hrabina; Martin Cizek; Lenka Pravdova; Simon Rerucha; Ondrej Cip; Radan Slavik; Rudolf Vohnout; Jan Radil; Pavel Skoda; Lada Altmannova; Michal Altmann; Michal Hazlinsky

doi:10.1117/12.2321333

18 September 2018 Multi-purpose infrastructure for dissemination of precise stable optical frequency

Josef Vojtech, Ondrej Havlis, Martin Slapak, Radek Velc, Petr Munster, Tomas Horvath, Jan Kundrat, Vladimir Smotlacha, Jan Hrabina, Martin Cizek, Lenka Pravdova, Simon Rerucha, Ondrej Cip, Radan Slavik, Rudolf Vohnout, Jan Radil, Pavel Skoda, Lada Altmannova, Michal Altmann, Michal Hazlinsky

Author Affiliations +

Proceedings Volume 10765, Infrared Remote Sensing and Instrumentation XXVI; 1076507 (2018) https://doi.org/10.1117/12.2321333
Event: SPIE Optical Engineering + Applications, 2018, San Diego, California, United States

Abstract

Long distance precise frequency and accurate time transfer methods based on optical fiber links have evolved rapidly in recent years, demonstrating excellent performance. They are attractive both for very high-performance applications and as a secure alternative complement to radio- and satellite-based methods. In this paper, we present development of infrastructure for such transmission containing 700+km of transmission lines, with planned cross border optical frequency connectivity. According to our knowledge, this will be the third such line globally. The infrastructure also shares fibers with existing data transmissions, both amplitude and phase modulated, which poses high demands on mutual isolation and insensitivity to cross talks.

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Josef Vojtech, Ondrej Havlis, Martin Slapak, Radek Velc, Petr Munster, Tomas Horvath, Jan Kundrat, Vladimir Smotlacha, Jan Hrabina, Martin Cizek, Lenka Pravdova, Simon Rerucha, Ondrej Cip, Radan Slavik, Rudolf Vohnout, Jan Radil, Pavel Skoda, Lada Altmannova, Michal Altmann, and Michal Hazlinsky "Multi-purpose infrastructure for dissemination of precise stable optical frequency", Proc. SPIE 10765, Infrared Remote Sensing and Instrumentation XXVI, 1076507 (18 September 2018); https://doi.org/10.1117/12.2321333

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