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dc.contributor.authorOhadi, H.
dc.contributor.authorGregory, R. L.
dc.contributor.authorFreegarde, T.
dc.contributor.authorRubo, Y. G.
dc.contributor.authorKavokin, A. V.
dc.contributor.authorBerloff, N. G.
dc.contributor.authorLagoudakis, P. G.
dc.identifier.citationOhadi , H , Gregory , R L , Freegarde , T , Rubo , Y G , Kavokin , A V , Berloff , N G & Lagoudakis , P G 2016 , ' Nontrivial phase coupling in polariton multiplets ' , Physical Review X , vol. 6 , no. 3 , 031032 .
dc.identifier.otherPURE: 252101812
dc.identifier.otherPURE UUID: baeb143f-73cb-4042-b036-137eac3d6a5e
dc.identifier.otherScopus: 84992549109
dc.identifier.otherORCID: /0000-0001-6418-111X/work/40761769
dc.descriptionP. G. L. and A. V. K. acknowledge EPSRC through Programme Grant on Hybrid Polaritonics EP/M025330/1 and EP/F026455/1 for co-supporting this work. N. G. B acknowledges financial support by the Ministry of Education and Science of the Russian Federation 1425320 (Project DOI: RFMEFI58114X0006). Y. G. R. acknowledges financial support by CONACYT (Mexico) under Grant No. 251808.en
dc.description.abstractWe investigate the phase coupling between spatially separated polariton condensates under nonresonant optical pulsed excitation. In the simple case of two condensates, we observe phase locking either in symmetric or antisymmetric states. We demonstrate that the coupling symmetry depends both on the separation distance and outflow velocity from the condensates. We interpret the observations through stimulated relaxation of polaritons to the phase configuration with the highest occupation. We derive an analytic criterion for the phase locking of a pair-polariton condensate and extend it to polariton multiplets. In the case of three condensates, we predict theoretically and observe experimentally either in-phase locking or the appearance of phase winding with phase differences of ±2π/3 between neighbors. The latter state corresponds to a vortex of winding number ±1 across the three polariton condensates.
dc.relation.ispartofPhysical Review Xen
dc.rights© 2016 The Author(s). Published by the American Physical Society. This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.en
dc.subjectQC Physicsen
dc.subjectPhysics and Astronomy(all)en
dc.titleNontrivial phase coupling in polariton multipletsen
dc.typeJournal articleen
dc.description.versionPublisher PDFen
dc.contributor.institutionUniversity of St Andrews.School of Physics and Astronomyen
dc.description.statusPeer revieweden

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