Cascaded optical fiber link using the internet network for remote clocks comparison
STEFANI, Fabio
Laboratoire de Physique des Lasers [LPL]
Laboratoire national de métrologie et d'essais - Systèmes de Référence Temps-Espace [LNE - SYRTE]
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Laboratoire de Physique des Lasers [LPL]
Laboratoire national de métrologie et d'essais - Systèmes de Référence Temps-Espace [LNE - SYRTE]
STEFANI, Fabio
Laboratoire de Physique des Lasers [LPL]
Laboratoire national de métrologie et d'essais - Systèmes de Référence Temps-Espace [LNE - SYRTE]
Laboratoire de Physique des Lasers [LPL]
Laboratoire national de métrologie et d'essais - Systèmes de Référence Temps-Espace [LNE - SYRTE]
POTTIE, Paul-Eric
Laboratoire national de métrologie et d'essais - Systèmes de Référence Temps-Espace [LNE - SYRTE]
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Laboratoire national de métrologie et d'essais - Systèmes de Référence Temps-Espace [LNE - SYRTE]
Langue
en
Article de revue
Ce document a été publié dans
Optics Express. 2015-12, vol. 23, n° 26, p. 33927-33937
Optical Society of America - OSA Publishing
Résumé en anglais
We report a cascaded optical link of 1100 km for ultra-stable frequency distribution over an Internet fiber network. The link is composed of four spans for which the propagation noise is actively compensated. The robustness ...Lire la suite >
We report a cascaded optical link of 1100 km for ultra-stable frequency distribution over an Internet fiber network. The link is composed of four spans for which the propagation noise is actively compensated. The robustness and the performance of the link are ensured by five fully automated optoelectronic stations, two of them at the link ends, and three deployed on the field and connecting the spans. This device coherently regenerates the optical signal with the heterodyne optical phase locking of a low-noise laser diode. Optical detection of the beat-note signals for the laser lock and the link noise compensation are obtained with stable and low-noise fibered optical interferometer. We show 3.5 days of continuous operation of the noise-compensated 4-span cascaded link leading to fractional frequency instability of 4x10 −16 at 1-s measurement time and 1x10 −19 at 2000 s. This cascaded link was extended to 1480-km with the same performance. This work is a significant step towards a sustainable wide area ultra-stable optical frequency distribution and comparison network at a very high level of performance.< Réduire
Mots clés en anglais
Physics - Optics
Physics - Atomic Physics
Physics - Instrumentation and Detectors
Quantum Physics
Origine
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