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dc.contributor.authorColangelo, Giorgio
dc.contributor.authorSewell, Robert J.
dc.contributor.authorBehbood, Naeimeh
dc.contributor.authorCiurana, Ferran Martin
dc.contributor.authorTriginer Cahelles, Joaquim
dc.contributor.authorMitchell, Morgan W.
dc.contributor.otherUniversitat Politècnica de Catalunya. Departament d'Enginyeria de Sistemes, Automàtica i Informàtica Industrial
dc.date.accessioned2014-01-15T11:46:50Z
dc.date.available2014-01-15T11:46:50Z
dc.date.created2013-10
dc.date.issued2013-10
dc.identifier.citationColangelo, G. [et al.]. Quantum atom-light interfaces in the Gaussian description for spin-1 systems. "New journal of physics", Octubre 2013, vol. 15, p. 103007-1-103007-26.
dc.identifier.issn1367-2630
dc.identifier.urihttp://hdl.handle.net/2117/21244
dc.description.abstractWe extend the covariance matrix description of atom–light quantum interfaces, originally developed for real and effective spin-1/2 atoms, to include ‘spin alignment’ degrees of freedom. This allows accurate modelling of optically probed spin-1 ensembles in arbitrary magnetic fields. We also include technical noise terms that are very common in experimental situations. These include magnetic field noise, variable atom number and the effect of magnetic field inhomogeneities. We demonstrate the validity of our extended model by comparing numerical simulations to a free–induction decay measurement of polarized 87Rb atoms in the f = 1 ground state. We qualitatively and quantitatively reproduce experimental results with no free parameters. The model can be easily extended to larger spin systems, and adapted to more complicated experimental situations.
dc.language.isoeng
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subjectÀrees temàtiques de la UPC::Ciències de la visió::Òptica física
dc.subject.lcshQuantum optics
dc.titleQuantum atom-light interfaces in the Gaussian description for spin-1 systems
dc.typeArticle
dc.subject.lemacÒptica quàntica
dc.identifier.doi10.1088/1367-2630/15/10/103007
dc.rights.accessOpen Access
local.identifier.drac12886476
dc.description.versionPostprint (published version)
local.citation.authorColangelo, G.; Sewell, R.; Behbood, N.; Ciurana, F.; Triginer, J.; Mitchell, M.W.
local.citation.publicationNameNew journal of physics
local.citation.volume15
local.citation.startingPage103007-1
local.citation.endingPage103007-26


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