Photon-number discrimination without a photon counter and its application to reconstructing non-Gaussian states

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dc.contributor.authorChrzanowski, Helen
dc.contributor.authorBernu, Julien
dc.contributor.authorSparkes, Benjamin
dc.contributor.authorHage, Boris
dc.contributor.authorLund, A P
dc.contributor.authorRalph, Timothy Cameron
dc.contributor.authorLam, Ping Koy
dc.contributor.authorSymul, Thomas
dc.date.accessioned2015-12-07T22:51:15Z
dc.date.issued2011
dc.date.updated2016-02-24T11:57:54Z
dc.description.abstractThe nonlinearity of a conditional photon-counting measurement can be used to "de-Gaussify" a Gaussian state of light. Here we present and experimentally demonstrate a technique for photon-number resolution using only homodyne detection. We then apply this technique to inform a conditional measurement, unambiguously reconstructing the statistics of the non-Gaussian one- and two-photon-subtracted squeezed vacuum states. Although our photon-number measurement relies on ensemble averages and cannot be used to prepare non-Gaussian states of light, its high efficiency, photon-number- resolving capabilities, and compatibility with the telecommunications band make it suitable for quantum-information tasks relying on the outcomes of mean values.
dc.identifier.issn1050-2947
dc.identifier.urihttp://hdl.handle.net/1885/27374
dc.publisherAmerican Physical Society
dc.rightsAuthor/s retain copyrighten_AU
dc.sourcePhysical Review A: Atomic, Molecular and Optical Physics
dc.subjectKeywords: Conditional measurements; Ensemble averages; Gaussian state; Homodyne detection; Mean values; Non-Gaussian; Non-Gaussian state; Non-Linearity; Photon counters; Photon counting; Squeezed vacuum state; Gaussian distribution; Gaussian noise (electronic); Pho
dc.titlePhoton-number discrimination without a photon counter and its application to reconstructing non-Gaussian states
dc.typeJournal article
dcterms.accessRightsOpen Accessen_AU
local.bibliographicCitation.issue5
local.bibliographicCitation.startpage4
local.contributor.affiliationChrzanowski, Helen, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationBernu, Julien, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationSparkes, Benjamin, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationHage, Boris, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationLund, A P, Griffith University
local.contributor.affiliationRalph, Timothy Cameron, University of Queensland
local.contributor.affiliationLam, Ping Koy, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationSymul, Thomas, College of Physical and Mathematical Sciences, ANU
local.contributor.authoremailu4622407@anu.edu.au
local.contributor.authoruidChrzanowski, Helen, u4219438
local.contributor.authoruidBernu, Julien, u4622407
local.contributor.authoruidSparkes, Benjamin, u4213676
local.contributor.authoruidHage, Boris, u4830915
local.contributor.authoruidLam, Ping Koy, u9305867
local.contributor.authoruidSymul, Thomas, u4047027
local.description.notesImported from ARIES
local.identifier.absfor020604 - Quantum Optics
local.identifier.absseo970102 - Expanding Knowledge in the Physical Sciences
local.identifier.ariespublicationU9212960xPUB50
local.identifier.citationvolume84
local.identifier.doi10.1103/PhysRevA.84.050302
local.identifier.scopusID2-s2.0-82455174856
local.identifier.thomsonID000297406500001
local.identifier.uidSubmittedByU9212960
local.type.statusPublished Version

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