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hal.structure.identifierSystèmes de Référence Temps Espace [SYRTE]
hal.structure.identifierLaboratoire Charles Fabry / Optique atomique
dc.contributor.authorKOHLHAAS, R
hal.structure.identifierLaboratoire Photonique, Numérique et Nanosciences [LP2N]
dc.contributor.authorBERTOLDI, A
hal.structure.identifierLaboratoire Photonique, Numérique et Nanosciences [LP2N]
hal.structure.identifierQuantel
dc.contributor.authorCANTIN, E
hal.structure.identifierLaboratoire Charles Fabry / Optique atomique
dc.contributor.authorASPECT, Alain
hal.structure.identifierSystèmes de Référence Temps Espace [SYRTE]
dc.contributor.authorLANDRAGIN, A
hal.structure.identifierLaboratoire Photonique, Numérique et Nanosciences [LP2N]
hal.structure.identifierLaboratoire Charles Fabry / Optique atomique
dc.contributor.authorBOUYER, Philippe
dc.date.accessioned2023-05-12T11:01:39Z
dc.date.available2023-05-12T11:01:39Z
dc.date.issued2015
dc.identifier.issn2160-3308
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/182050
dc.description.abstractEnThe sensitivity of an atomic interferometer increases when the phase evolution of its quantum superposition state is measured over a longer interrogation interval. In practice, a limit is set by the measurement process, which returns not the phase, but its projection in terms of population difference on two energetic levels. The phase interval over which the relation can be inverted is thus limited to the interval [−π/2, π/2]; going beyond it introduces an ambiguity in the read out, hence a sensitivity loss. Here, we extend the unambiguous interval to probe the phase evolution of an atomic ensemble using coherence preserving measurements and phase corrections, and demonstrate the phase lock of the clock oscillator to an atomic superposition state. We propose a protocol based on the phase lock to improve atomic clocks under local oscillator noise, and foresee the application to other atomic interferometers such as inertial sensors.
dc.language.isoen
dc.publisherAmerican Physical Society
dc.rights.urihttp://hal.archives-ouvertes.fr/licences/copyright/
dc.title.enPhase locking a clock oscillator to a coherent atomic ensemble
dc.typeArticle de revue
dc.identifier.doi10.1103/PhysRevX.5.021011
dc.subject.halPhysique [physics]/Physique [physics]/Physique Atomique [physics.atom-ph]
dc.identifier.arxiv1501.03709
bordeaux.journalPhysical Review X
bordeaux.page021011
bordeaux.volume5
bordeaux.hal.laboratoriesLaboratoire Photonique, Numérique et Nanosciences (LP2N) - UMR 5298*
bordeaux.issue2
bordeaux.institutionUniversité de Bordeaux
bordeaux.institutionCNRS
bordeaux.peerReviewedoui
hal.identifierhal-01098353
hal.version1
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01098353v1
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