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Long-lived spin coherence of indirect excitons in GaAs coupled quantum wells
dc.contributor.author | Beian, Mussie |
dc.contributor.author | Alloing, Mathieu |
dc.contributor.author | Cambril, Edmond |
dc.contributor.author | Gomez Carbonell, Carmen |
dc.contributor.author | Osmond, Johann |
dc.contributor.author | Lemaître, Aristide |
dc.contributor.author | Dubin, François |
dc.contributor.other | Universitat Politècnica de Catalunya. Institut de Ciències Fotòniques |
dc.date.accessioned | 2015-08-04T13:35:38Z |
dc.date.available | 2016-05-02T00:31:33Z |
dc.date.issued | 2015-04-30 |
dc.identifier.issn | 0295-5075 |
dc.identifier.uri | http://hdl.handle.net/2117/76497 |
dc.description.abstract | We 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.extent | 5 p. |
dc.language.iso | eng |
dc.publisher | IOP |
dc.rights | Attribution-NonCommercial-NoDerivs 3.0 Spain |
dc.rights.uri | http://creativecommons.org/licenses/by-nc-nd/3.0/es/ |
dc.subject.lcsh | Quantum optics |
dc.subject.other | GaAs |
dc.title | Long-lived spin coherence of indirect excitons in GaAs coupled quantum wells |
dc.type | Article |
dc.subject.lemac | Òptica quàntica |
dc.description.peerreviewed | Peer Reviewed |
dc.relation.publisherversion | http://m.iopscience.iop.org/0295-5075/110/2/27001/article |
dc.rights.access | Open Access |
dc.description.version | Postprint (author’s final draft) |
local.citation.publicationName | Europhysics Letters |
local.citation.volume | 110 |
local.citation.number | 2 |
local.citation.startingPage | 1 |
local.citation.endingPage | 5 |
local.personalitzacitacio | true |
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