Extended Coherence Time on the Clock Transition of Optically Trapped Rubidium

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dc.identifier.uri http://dx.doi.org/10.15488/3583
dc.identifier.uri https://www.repo.uni-hannover.de:443/handle/123456789/3615
dc.contributor.author Kleine Buening, G.
dc.contributor.author Will, J.
dc.contributor.author Ertmer, Wolfgang
dc.contributor.author Rasel, Ernst Maria
dc.contributor.author Arlt, Jan J.
dc.contributor.author Klempt, Carsten
dc.contributor.author Ramirez-Martinez, F.
dc.contributor.author Piechon, F.
dc.contributor.author Rosenbusch, P.
dc.date.accessioned 2018-08-22T12:35:00Z
dc.date.available 2018-08-22T12:35:00Z
dc.date.issued 2011
dc.identifier.citation Buening, G. Kleine; Will, J.; Ertmer, W.; Rasel, E.; Arlt, J.; Klempt, C.; et al.: Extended Coherence Time on the Clock Transition of Optically Trapped Rubidium. In: Physical Review Letters 106 (2011), Nr. 24, 240801. DOI: https://doi.org/10.1103/PhysRevLett.106.240801
dc.description.abstract Optically trapped ensembles are of crucial importance for frequency measurements and quantum memories but generally suffer from strong dephasing due to inhomogeneous density and light shifts. We demonstrate a drastic increase of the coherence time to 21 s on the magnetic field insensitive clock transition of Rb-87 by applying the recently discovered spin self-rephasing [C. Deutsch et al., Phys. Rev. Lett. 105, 020401 (2010)]. This result confirms the general nature of this new mechanism and thus shows its applicability in atom clocks and quantum memories. A systematic investigation of all relevant frequency shifts and noise contributions yields a stability of 2: 4 X 10(-11) tau(-1/2), where tau is the integration time in seconds. Based on a set of technical improvements, the presented frequency standard is predicted to rival the stability of microwave fountain clocks in a potentially much more compact setup. eng
dc.language.iso eng
dc.publisher College Park : American Physical Society
dc.relation.ispartofseries Physical Review Letters 106 (2011), Nr. 24
dc.rights Es gilt deutsches Urheberrecht. Das Dokument darf zum eigenen Gebrauch kostenfrei genutzt, aber nicht im Internet bereitgestellt oder an Außenstehende weitergegeben werden.
dc.subject A-stability eng
dc.subject Clock transition eng
dc.subject Coherence time eng
dc.subject Dephasing eng
dc.subject Frequency measurements eng
dc.subject Frequency shift eng
dc.subject General nature eng
dc.subject Inhomogeneous density eng
dc.subject Integration time eng
dc.subject Light shift eng
dc.subject New mechanisms eng
dc.subject Noise contributions eng
dc.subject Quantum memories eng
dc.subject Systematic investigations eng
dc.subject Technical improvement eng
dc.subject entanglement eng
dc.subject.ddc 530 | Physik ger
dc.title Extended Coherence Time on the Clock Transition of Optically Trapped Rubidium
dc.type article
dc.type Text
dc.relation.essn 1079-7114
dc.relation.issn 0031-9007
dc.relation.doi https://doi.org/10.1103/PhysRevLett.106.240801
dc.bibliographicCitation.issue 24
dc.bibliographicCitation.volume 106
dc.bibliographicCitation.firstPage 240801
dc.description.version publishedVersion
tib.accessRights frei zug�nglich

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