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Ultralong temporal coherence in optically trapped exciton-polariton condensates

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dc.contributor.authorOrfanakis, Konstantinos
dc.contributor.authorTzortzakakis, A
dc.contributor.authorPetrosyan, D
dc.contributor.authorSavvidis, P
dc.contributor.authorOhadi, Hamid
dc.date.accessioned2021-06-14T14:30:11Z
dc.date.available2021-06-14T14:30:11Z
dc.date.issued2021-06-21
dc.identifier274572708
dc.identifier2f23a9fa-cc36-4fad-b91f-87df7d6e1272
dc.identifier000664440600006
dc.identifier.citationOrfanakis , K , Tzortzakakis , A , Petrosyan , D , Savvidis , P & Ohadi , H 2021 , ' Ultralong temporal coherence in optically trapped exciton-polariton condensates ' , Physical Review. B, Condensed matter and materials physics , vol. 103 , no. 23 , 235313 . https://doi.org/10.1103/PhysRevB.103.235313en
dc.identifier.issn1098-0121
dc.identifier.otherORCID: /0000-0001-6418-111X/work/98197269
dc.identifier.urihttps://hdl.handle.net/10023/23354
dc.descriptionFunding: This work was supported by Grant No. EPSRC EP/S014403/1. K.O. acknowledges EPSRC for PhD studentship support through grant no. EP/L015110/1. P.S. acknowledges support by Westlake University (Project No. 041020100118), Program 2018R01002 supported by Leading Innovative and Entrepreneur Team Introduction Program of Zhejiang, and bilateral Greece-Russia Polisimulator project co-financed by Greece and the EU Regional Development Fund.en
dc.description.abstractWe investigate an optically trapped exciton-polariton condensate and observe temporal coherence beyond 1 ns in duration. Due to the reduction of the spatial overlap with the thermal reservoir of excitons, the coherence time of the trapped condensate is more than an order of magnitude longer than that of an untrapped condensate. This ultralong coherence enables high-precision spectroscopy of the trapped condensate, and we observe periodic beats of the field correlation function due to a fine energy splitting of two polarization modes of the condensate. Our results are important for realizing polariton simulators with spinor condensates in lattice potentials.
dc.format.extent7
dc.format.extent1019191
dc.language.isoeng
dc.relation.ispartofPhysical Review. B, Condensed matter and materials physicsen
dc.subjectBose-Einstein condensationen
dc.subjectLifetimesen
dc.subjectQC Physicsen
dc.subjectTK Electrical engineering. Electronics Nuclear engineeringen
dc.subjectDASen
dc.subjectMCCen
dc.subject.lccQCen
dc.subject.lccTKen
dc.titleUltralong temporal coherence in optically trapped exciton-polariton condensatesen
dc.typeJournal articleen
dc.contributor.sponsorEPSRCen
dc.contributor.sponsorEPSRCen
dc.contributor.institutionUniversity of St Andrews. School of Physics and Astronomyen
dc.contributor.institutionUniversity of St Andrews. Centre for Designer Quantum Materialsen
dc.identifier.doi10.1103/PhysRevB.103.235313
dc.description.statusPeer revieweden
dc.date.embargoedUntil2021-06-14
dc.identifier.grantnumberEP/L015110/1en
dc.identifier.grantnumberEP/S014403/1en


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