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Ghost branch photoluminescence from a polariton fluid under nonresonant excitation

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dc.contributor.authorPieczarka, Maciej
dc.contributor.authorSyperek, Marcin
dc.contributor.authorDusanowski, Łukasz
dc.contributor.authorMisiewicz, Jan
dc.contributor.authorLanger, Fabian
dc.contributor.authorForchel, Alfred
dc.contributor.authorKamp, Martin
dc.contributor.authorSchneider, Christian
dc.contributor.authorHöfling, Sven
dc.contributor.authorKavokin, Alexey
dc.contributor.authorSęk, Grzegorz
dc.date.accessioned2016-02-05T12:40:18Z
dc.date.available2016-02-05T12:40:18Z
dc.date.issued2015-10-26
dc.identifier.citationPieczarka , M , Syperek , M , Dusanowski , Ł , Misiewicz , J , Langer , F , Forchel , A , Kamp , M , Schneider , C , Höfling , S , Kavokin , A & Sęk , G 2015 , ' Ghost branch photoluminescence from a polariton fluid under nonresonant excitation ' , Physical Review Letters , vol. 115 , no. 18 , 186401 , pp. 1-5 . https://doi.org/10.1103/PhysRevLett.115.186401en
dc.identifier.issn0031-9007
dc.identifier.otherPURE: 240812228
dc.identifier.otherPURE UUID: 50cc4f70-db9a-450a-b91e-b5c3068c5b35
dc.identifier.otherBibtex: urn:17810f1cf25833fc7c230850adca936b
dc.identifier.otherScopus: 84946601011
dc.identifier.otherWOS: 000363505300008
dc.identifier.urihttps://hdl.handle.net/10023/8145
dc.descriptionThe authors acknowledge financial support from the bilateral project of Deutsche Forschungsgemeinschaft (Project LIEPOLATE) and the Polish Ministry of Science and Higher Education (Project No. DPN/N99/DFG/2010). The experiment was partially performed within the NLTK infrastructure, Project No. POIG.02.02.00-003/08-00. A. K. acknowledges financial support from the Russian Ministry of Education and Science (Contract No. 11.G34.31.0067).en
dc.description.abstractAn expanding polariton condensate is investigated under pulsed nonresonant excitation with a small laser pump spot. Far above the condensation threshold we observe a pronounced increase in the dispersion curvature, with a subsequent linearization of the spectrum and strong luminescence from a ghost branch orthogonally polarized with respect to the linearly polarized condensate emission. Polarization of both branches is understood in terms of spin-dependent polariton-polariton scattering. The presence of the ghost branch has been confirmed in time-resolved measurements. The effects of disorder and dissipation in the photoluminescence of polariton condensates and their excitations are discussed.
dc.format.extent5
dc.language.isoeng
dc.relation.ispartofPhysical Review Lettersen
dc.rights© 2015 American Physical Society. This work is made available online in accordance with the publisher’s policies. This is the final published version of the work, which was originally published at http://dx.doi.org/10.1103/PhysRevLett.115.186401.en
dc.subjectQC Physicsen
dc.subjectNDASen
dc.subject.lccQCen
dc.titleGhost branch photoluminescence from a polariton fluid under nonresonant excitationen
dc.typeJournal articleen
dc.description.versionPublisher PDFen
dc.contributor.institutionUniversity of St Andrews. School of Physics and Astronomyen
dc.contributor.institutionUniversity of St Andrews. Condensed Matter Physicsen
dc.identifier.doihttps://doi.org/10.1103/PhysRevLett.115.186401
dc.description.statusPeer revieweden


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