National Infrastructure for Dissemination of Precise Time and Coherent Ultra-stable Optical Frequency - CITAF

0565093 - ÚPT 2023 RIV US eng C - Konferenční příspěvek (zahraniční konf.)
Vojtěch, J. - Smotlacha, V. - Havliš, O. - Šlapák, M. - Altmannová, L. - Kundrát, J. - Bhowmick, S. - Vohnout, R. - Velc, R. - Pospíšil, P. - Čížek, Martin - Hrabina, Jan - Řeřucha, Šimon - Pravdová, Lenka - Lazar, Josef - Číp, Ondřej - Kuna, Alexander - Roztočil, J.
National Infrastructure for Dissemination of Precise Time and Coherent Ultra-stable Optical Frequency - CITAF.
Proceedings of the 53rd Annual Precise Time and Time Interval Systems and Applications Meeting. Manassas, VA: Institute of Navigation, 2022, 2022-January (2022), s. 235-242. ISBN 978-0-936406-31-2. E-ISSN 2333-2085.
[Annual Precise Time and Time Interval Systems and Applications Meeting /53./. Long Beach (US), 25.01.2022-27.01.2022]
Výzkumná infrastruktura: e-INFRA CZ - 90140
Institucionální podpora: RVO:68081731 ; RVO:67985882
Klíčová slova: coherent optical frequency * infrastructure * optical amplification * optical fiber * precise time * time metrology * White Rabbit
Obor OECD: Telecommunications; Telecommunications (URE-Y)
https://www.ion.org/publications/abstract.cfm?articleID=18289

In the article, we introduce the Czech Infrastructure for Time and Frequency activity which is a non-commercial, open activity focused on the transfer of accurate time and very stable frequency using optical networks. The national optical infrastructure for time and frequency transfer is operated on top of the CESNET network infrastructure, to have operational costs under control. We briefly summarize the history of its development, together with the used types of optical transfer and its stabilization. We also address running and planned upgrades and future development plans regarding wavelength bands and considered geographic extensions.
Trvalý link: https://hdl.handle.net/11104/0339113