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Process Tomography of Field Damping and Measurement of Fock State Lifetimes by Quantum Nondemolition Photon Counting in a Cavity

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dc.contributor.authorBrune, M
dc.contributor.authorBernu, Julien
dc.contributor.authorGuerlin, C
dc.contributor.authorDeleglise, S
dc.contributor.authorSayin, C
dc.contributor.authorGleyzes, S
dc.contributor.authorKuhr, S
dc.contributor.authorDotsenko, I
dc.contributor.authorRaimond, J M
dc.contributor.authorHaroche, S
dc.date.accessioned2015-12-10T22:29:11Z
dc.date.issued2008
dc.date.updated2016-02-24T10:46:12Z
dc.description.abstractThe relaxation of a quantum field stored in a high-Q superconducting cavity is monitored by nonresonant Rydberg atoms. The field, subjected to repetitive quantum nondemolition photon counting, undergoes jumps between photon number states. We select ensembles of field realizations evolving from a given Fock state and reconstruct the subsequent evolution of their photon number distributions. We realize in this way a tomography of the photon number relaxation process yielding all the jump rates between Fock states. The damping rates of the n photon states (0≤n≤7) are found to increase linearly with n. The results are in excellent agreement with theory including a small thermal contribution.
dc.identifier.issn0031-9007
dc.identifier.urihttp://hdl.handle.net/1885/54790
dc.publisherAmerican Physical Society
dc.sourcePhysical Review Letters
dc.subjectKeywords: Damping; Diagnostic radiography; Medical imaging; Multiphoton processes; Tomography; Damping rates; Fock states; Jump rates; Life-times; Nonresonant; Photon counting; Photon number states; Photon numbers; Photon states; Process tomographies; Quantum field
dc.titleProcess Tomography of Field Damping and Measurement of Fock State Lifetimes by Quantum Nondemolition Photon Counting in a Cavity
dc.typeJournal article
local.bibliographicCitation.startpage240402-1-4
local.contributor.affiliationBrune, M, Universite Pierre et Marie Curie
local.contributor.affiliationBernu, Julien, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationGuerlin, C, Universite Pierre et Marie Curie
local.contributor.affiliationDeleglise, S, Universite Pierre et Marie Curie
local.contributor.affiliationSayin, C, Universite Pierre et Marie Curie
local.contributor.affiliationGleyzes, S, Universite Pierre et Marie Curie
local.contributor.affiliationKuhr, S, Universite Pierre et Marie Curie
local.contributor.affiliationDotsenko, I, Universite Pierre et Marie Curie
local.contributor.affiliationRaimond, J M, Universite Pierre et Marie Curie
local.contributor.affiliationHaroche, S, College de France
local.contributor.authoruidBernu, Julien, u4622407
local.description.embargo2037-12-31
local.description.notesImported from ARIES
local.identifier.absfor020600 - QUANTUM PHYSICS
local.identifier.ariespublicationu4222028xPUB310
local.identifier.citationvolume101
local.identifier.doi10.1103/PhysRevLett.101.240402
local.identifier.scopusID2-s2.0-57749104886
local.identifier.thomsonID000261704100002
local.type.statusPublished Version

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