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dc.contributor.authorSchmutzler, J.
dc.contributor.authorAßmann, M.
dc.contributor.authorCzerniuk, T.
dc.contributor.authorKamp, M.
dc.contributor.authorSchneider, C.
dc.contributor.authorHöfling, S.
dc.contributor.authorBayer, M.
dc.date.accessioned2014-09-17T09:01:06Z
dc.date.available2014-09-17T09:01:06Z
dc.date.issued2014-08-04
dc.identifier.citationSchmutzler , J , Aßmann , M , Czerniuk , T , Kamp , M , Schneider , C , Höfling , S & Bayer , M 2014 , ' Nonlinear spectroscopy of exciton-polaritons in a GaAs-based microcavity ' , Physical Review. B, Condensed matter and materials physics , vol. 90 , no. 7 , 075103 . https://doi.org/10.1103/PhysRevB.90.075103en
dc.identifier.issn1098-0121
dc.identifier.otherPURE: 143510894
dc.identifier.otherPURE UUID: 8e1db4c7-e3ce-4983-81e6-a3264d124107
dc.identifier.otherScopus: 84905757886
dc.identifier.otherWOS: 000339998400002
dc.identifier.urihttp://hdl.handle.net/10023/5427
dc.descriptionThe Dortmund group acknowledges support from the Deutsche Forschungsgemeinschaft (Grants No. 1549/18-1 and No. 1549/19-1). M.B. acknowledges support from the Russian Ministry of Science and Education (Contract No. 14.Z50.31.0021).en
dc.description.abstractWe present a systematic investigation of two-photon excitation processes in a GaAs-based microcavity in the strong-coupling regime. We observe second harmonic generation resonant to the upper and lower polariton level, which exhibits a strong dependence on the photonic fraction of the corresponding polariton. In addition, we have performed two-photon excitation spectroscopy to identify 2p exciton states which are crucial for the operation as a terahertz lasing device, which was suggested recently [A. V. Kavokin et al., Phys. Rev. Lett. 108, 197401 (2012)]. However, no distinct signatures of a 2p exciton state could be identified, which indicates a low two-photon pumping efficiency.
dc.format.extent6
dc.language.isoeng
dc.relation.ispartofPhysical Review. B, Condensed matter and materials physicsen
dc.rights© 2014 American Physical Societyen
dc.subjectQC Physicsen
dc.subject.lccQCen
dc.titleNonlinear spectroscopy of exciton-polaritons in a GaAs-based microcavityen
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/PhysRevB.90.075103
dc.description.statusPeer revieweden


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