Dr
Dominik Husmann
(Federal Institute of Metrology METAS)
Frequency dissemination in phase-stabilized optical fiber networks for metrological frequency comparisons and precision measurements are promising candidates to overcome the limitations imposed by satellite techniques. However, network constraints restrict the availability of dedicated channels in the commonly-used C-band. Here, we demonstrate the dissemination of an SI-traceable ultrastable optical frequency in the L-band over a 456 km fiber network. We characterize the optical phase noise and evaluate a link instability of $4.7\cdot 10^{-16}$ at 1 s and $3.8\cdot 10^{-19}$ at 2000 s integration time, and a link accuracy of $2\cdot 10^{-18}$. We demonstrate the application of the disseminated frequency by establishing the SI-traceability of a laser in a remote laboratory.
Dr
Dominik Husmann
(Federal Institute of Metrology METAS)
Mr
Alberto Mura
(INRIM Istituto Nazionale di Ricerca Metrologica)
Mr
Anatoly Johnson
(Department of Chemistry, University of Basel)
Dr
Cecilia Clivati
(INRIM Istituto Nazionale di Ricerca Metrologica)
Dr
Davide Calonico
(INRIM Istituto Nazionale di Ricerca Metrologica)
Mr
Ernst Heiri
(SWITCH)
Mr
Fabian Mauchle
(SWITCH)
Prof.
Frédéric Merkt
(Laboratory of Physical Chemistry, ETH Zurich)
Prof.
Giacomo Scalari
(Institute for Quantum Electronics, ETH Zurich)
Ms
Gloria Clausen
(Laboratory of Physical Chemistry, ETH Zurich)
Mr
Hansjürg Schmutz
(Laboratory of Physical Chemistry, ETH Zurich)
Dr
Jacques Morel
(Federal Institute of Metrology METAS)
Prof.
Jérôme Faist
(Institute for Quantum Electronics, ETH Zurich)
Mr
Konstantinos Chaloulos
(SWITCH)
Dr
Laurent-Guy Bernier
(Federal Institute of Metrology METAS)
Dr
Mathieu Bertrand
(Institute for Quantum Electronics, ETH Zurich)
Mr
Mudit Sinhal
(Department of Chemistry, University of Basel)
Mr
Simon Scheidegger
(Laboratory of Physical Chemistry, ETH Zurich)
Prof.
Stefan Willitsch
(Department of Chemistry, University of Basel)
Dr
Urs Hollenstein
(Laboratory of Physical Chemistry, ETH Zurich)
Dr
Ziv Meir
(Department of Chemistry, University of Basel)
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