Quantum Algorithmic Readout in Multi-Ion Clocks

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dc.identifier.uri http://dx.doi.org/10.15488/3077
dc.identifier.uri http://www.repo.uni-hannover.de/handle/123456789/3107
dc.contributor.author Schulte, M.
dc.contributor.author Lörch, N.
dc.contributor.author Leroux, I.D.
dc.contributor.author Schmidt, Piet O.
dc.contributor.author Hammerer, K.
dc.date.accessioned 2018-04-11T10:45:15Z
dc.date.available 2018-04-11T10:45:15Z
dc.date.issued 2016
dc.identifier.citation Schulte, M.; Lörch, N.; Leroux, I.D.; Schmidt, P.O.; Hammerer, K.: Quantum Algorithmic Readout in Multi-Ion Clocks. In: Physical Review Letters 116 (2016), Nr. 1, 13002. DOI: https://doi.org/10.1103/PhysRevLett.116.013002
dc.description.abstract Optical clocks based on ensembles of trapped ions promise record frequency accuracy with good short-term stability. Most suitable ion species lack closed transitions, so the clock signal must be read out indirectly by transferring the quantum state of the clock ions to cotrapped logic ions of a different species. Existing methods of quantum logic readout require a linear overhead in either time or the number of logic ions. Here we describe a quantum algorithmic readout whose overhead scales logarithmically with the number of clock ions in both of these respects. The scheme allows a quantum nondemolition readout of the number of excited clock ions using a single multispecies gate operation which can also be used in other areas of ion trap technology such as quantum information processing, quantum simulations, metrology, and precision spectroscopy. © 2016 American Physical Society. eng
dc.language.iso eng
dc.publisher College Park, MD : American Physical Society
dc.relation.ispartofseries Physical Review Letters 116 (2016), Nr. 1
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 Algorithms eng
dc.subject Clocks eng
dc.subject Computer circuits eng
dc.subject Ions eng
dc.subject Quantum chemistry eng
dc.subject Quantum optics eng
dc.subject Reconfigurable hardware eng
dc.subject Trapped ions eng
dc.subject Closed transitions eng
dc.subject Frequency accuracy eng
dc.subject Optical clocks eng
dc.subject Precision spectroscopy eng
dc.subject Quantum non-demolition eng
dc.subject Quantum simulations eng
dc.subject Quantum-information processing eng
dc.subject Short term stability eng
dc.subject Quantum theory eng
dc.subject.ddc 530 | Physik ger
dc.title Quantum Algorithmic Readout in Multi-Ion Clocks
dc.type article
dc.type Text
dc.relation.issn 00319007
dc.relation.doi https://doi.org/10.1103/PhysRevLett.116.013002
dc.bibliographicCitation.issue 1
dc.bibliographicCitation.volume 116
dc.bibliographicCitation.firstPage 13002
dc.description.version publishedVersion
tib.accessRights frei zug�nglich

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