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dc.contributor.authorBeian, Mussie
dc.contributor.authorAlloing, Mathieu
dc.contributor.authorCambril, Edmond
dc.contributor.authorGomez Carbonell, Carmen
dc.contributor.authorOsmond, Johann
dc.contributor.authorLemaître, Aristide
dc.contributor.authorDubin, François
dc.contributor.otherUniversitat Politècnica de Catalunya. Institut de Ciències Fotòniques
dc.date.accessioned2015-08-04T13:35:38Z
dc.date.available2016-05-02T00:31:33Z
dc.date.issued2015-04-30
dc.identifier.issn0295-5075
dc.identifier.urihttp://hdl.handle.net/2117/76497
dc.description.abstractWe study spatially indirect excitons confined in a symmetric GaAs double quantum well. We show that the spin polarisation of very dilute gases can be optically imprinted, in both pure and superposition states. In the regime where indirect excitons can be localized, we observe at 350 mK that the excitons spin degree of freedom is frozen with a relaxation time comparable to the coherence time and to the radiative lifetime $(\sim 30\ \text{ns})$ .
dc.format.extent5 p.
dc.language.isoeng
dc.publisherIOP
dc.rightsAttribution-NonCommercial-NoDerivs 3.0 Spain
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es/
dc.subject.lcshQuantum optics
dc.subject.otherGaAs
dc.titleLong-lived spin coherence of indirect excitons in GaAs coupled quantum wells
dc.typeArticle
dc.subject.lemacÒptica quàntica
dc.description.peerreviewedPeer Reviewed
dc.relation.publisherversionhttp://m.iopscience.iop.org/0295-5075/110/2/27001/article
dc.rights.accessOpen Access
dc.description.versionPostprint (author’s final draft)
local.citation.publicationNameEurophysics Letters
local.citation.volume110
local.citation.number2
local.citation.startingPage1
local.citation.endingPage5
local.personalitzacitaciotrue


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