Combining fiber Brillouin amplification with a repeater laser station for fiber-based optical frequency dissemination over 1400 km

authored by: Sebastian Koke, Alexander Kuhl, Thomas Waterholter, Sebastian M.F. Raupach, Olivier Lopez, Etienne Cantin, Nicolas Quintin, Anne Amy-Klein, Paul Eric Pottie, Gesine Grosche
Abstract: We investigate optical frequency dissemination over a 1400 km long fiber link in looped configuration over a pair of underground fibers between Braunschweig and Strasbourg. This fiber link is the first to combine fiber Brillouin amplifiers with a repeater laser station. Phase-coherent operation over more than five days is demonstrated. We analyze the repeatability of the performance over four campaigns and present results of 65 d in total. The weighted mean of the fractional frequency offset of the transferred optical frequency over the complete data set is (-1.1 ± 0.4) 10^-20. By analyzing the stabilization signals of the two individual fibers, the correlation of the phase noise on the two fibers is shown to be >98%.
External Organisation(s): National Metrology Institute of Germany (PTB)
Universite Paris 13
Observatoire de Paris (OBSPARIS)
Type: Article
Journal: New journal of physics
Volume: 21
ISSN: 1367-2630
Publication date: 13.12.2019
Publication status: Published
Peer reviewed: Yes
ASJC Scopus subject areas: Physics and Astronomy(all)
Electronic version(s): https://doi.org/10.1088/1367-2630/ab5d95 (Access: Open)

BibTeX

@article{e02b9938179743b8b1c2dcec3919d41e,
title = "Combining fiber Brillouin amplification with a repeater laser station for fiber-based optical frequency dissemination over 1400 km",
abstract = "We investigate optical frequency dissemination over a 1400 km long fiber link in looped configuration over a pair of underground fibers between Braunschweig and Strasbourg. This fiber link is the first to combine fiber Brillouin amplifiers with a repeater laser station. Phase-coherent operation over more than five days is demonstrated. We analyze the repeatability of the performance over four campaigns and present results of 65 d in total. The weighted mean of the fractional frequency offset of the transferred optical frequency over the complete data set is (-1.1 ± 0.4) 10-20. By analyzing the stabilization signals of the two individual fibers, the correlation of the phase noise on the two fibers is shown to be >98%.",
keywords = "frequency transfer, optical atomic clocks, optical fiber link",
author = "Sebastian Koke and Alexander Kuhl and Thomas Waterholter and Raupach, {Sebastian M.F.} and Olivier Lopez and Etienne Cantin and Nicolas Quintin and Anne Amy-Klein and Pottie, {Paul Eric} and Gesine Grosche",
note = "Funding information: This work has been funded by the European Metrology Programme for Innovation and Research (EMPIR) in project 15SIB05 (OFTEN) and 18SIB06 (TiFOON). The EMPIR is jointly funded by the EMPIR participating countries withinEURAMET and the European Union. PTB thanks the DFGfor financial support in the Sonderforschungsbereich 1128 'Relativistic Geodesy and Gravimetry with Quantum Sensors (geo-Q) under project A04 and in the Exzellenzcluster 2123 'QuantumFrontiers . LNE-SYRTE and LPL acknowledge support from the Agence Nationale de la Recherche (ANRblanc LIOM 2011-BS04-009-01, Labex First-TFANR10 LABX 48 01, Equipex REFIMEVE+ANR-11-EQPX-0039).",
year = "2019",
month = dec,
day = "13",
doi = "10.1088/1367-2630/ab5d95",
language = "English",
volume = "21",
journal = "New journal of physics",
issn = "1367-2630",
publisher = "IOP Publishing Ltd.",
number = "12",
}