Simultaneous remote transfer of accurate timing and optical frequency over a public fiber network

Autor: Lopez, Olivier, Kanj, Amale, Pottie, Paul-Eric, Rovera, Giovanni D., Achkar, Joseph, Chardonnet, Christian, Amy-Klein, Anne, Santarelli, Giorgio

Publikováno v: Applied Physics B: Lasers and Optics 110, 1 (2013) 3-6

In this work we demonstrate for the first time that it is possible to transfer simultaneously an ultra-stable optical frequency and a precise and accurate timing over 540 km using a public telecommunication optical fiber networks with Internet data.

Externí odkaz: http://arxiv.org/abs/1209.4715

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Remote Optical and Fountain Clock Comparison Using BroadbandTWSTFT and GPS PPP

Autor: Riedel, Franziska, Benkler, Erik, Abgrall, Michel, Achkar, Joseph, Al-Masoudi, A., P Barwood, G., Baynes, F. N., F a Baynham, C., Bilicki, Slawomir, Bize, Sébastien, Bookjans, Eva, Bowden, W., Calonico, D., Cerretto, G., Clivati, C., Costanzo, G., Defraigne, P., Delva, Pacôme, Donnellan, S., Dörscher, S., Gerginov, V., Gill, Patrick, M Godun, R., Grebing, C., Guéna, Jocelyne, Häfner, Sebastian, R Hill, I., Hobson, R., Huang, G., Huntemann, N., M Jones, J., a King, S., a Klein, H., Lamb, A., Le Targat, Rodolphe, Leute, J., Levi, Federico, Lipphardt, B., Lisdat, Christian, Lodewyck, Jérôme, S Margolis, H., Menchetti, M., B R Nisbet-Jones, P., Ozimek, F., Peik, E., Petit, Gérard, Piester, Dirk, Pizzocaro, M., Rolland, A., Rotondo, M., Rovera, Daniele, Rust, F., Sanner, C., Schäfer, Wolfgang, Sesia, I., Shemar, S. L., Szymaniec, K., Tamm, Chr., Weyers, Stefan, Whibberley, P. B.

Publikováno v: European Frequency and Time Forum 2016
European Frequency and Time Forum 2016, Apr 2016, York, UK, United Kingdom

International audience; Various Yb ion, Sr lattice and Cs fountain clocks at INRiM, LNE-SYRTE, NPL and PTB had been compared simultaneously over a 3-week campaign using satellite-based techniques. With full 20 MChip/s modulation bandwidth TWSTFT link

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=dedup_wf_001::68e4dc8204a857365858c3edc16189ff
https://hal.science/hal-03802479

Towards international timescales with optical clocks

Autor: Margolis, H. S., Delva, Pacôme, Achkar, Joseph, Abgrall, Michel, Bize, Sébastien, Guéna, Jocelyne, Le Coq, Yann, Le Targat, Rodolphe, Lodewyck, Jérôme, Rovera, Daniele

Publikováno v: Symposium on Frequency Standards and Metrology
Symposium on Frequency Standards and Metrology, Oct 2015, Potsdam, Germany, Germany. 2015

International audience

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2417::3ef2a4de898fcebd147bb22b5757b889
https://hal.science/hal-03803519

ITOC: International Timescales with Optical Clocks

Autor: Margolis, H. S., Benkler, Erik, Calonico, D., Denker, H., Delva, Pacôme, Godun, R. M., Lisdat, Christian, Achkar, Joseph, Bize, Sébastien, Gersl, J., Gill, Patrick, Lindvall, T., Merimaa, M., Pizzocaro, M., Piester, Dirk, Riedel, Franziska, Sesia, I., Shemar, S. L., Sterr, Uwe, Timmen, Ludger, Voigt, C., Vogt, S., Weyers, Stefan, Whibberley, P. B.

Publikováno v: Proceedings of the Joint Meeting of the29th European Frequency and Time Forum (EFTF) and the 2015 IEEE Frequency Control Symposium (FCS)
Joint Meeting of the29th European Frequency and Time Forum (EFTF) and the 2015 IEEE Frequency Control Symposium (FCS)
Joint Meeting of the29th European Frequency and Time Forum (EFTF) and the 2015 IEEE Frequency Control Symposium (FCS), Apr 2015, Denver, Colorado, USA, United States

International audience; A key prerequisite for a redefinition of the SI second based on optical atomic clocks is their integration intothe international timescales TAI and UTC. This requires a coordinated programme of clock comparisons to becarried o

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=od______2417::ac34f45e3c644afea8583780f25e031f
https://hal.science/hal-03804820