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Related papers: Nonequilibrium polariton condensation in biannular…

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We explore formation and dynamics of nonequilibrium bosonic exciton-polariton condensates in annular optically induced traps. For the vicinity of condensation pumping threshold, we develop the two-mode model, accounting for counter-rotating…

Quantum Gases · Physics 2024-02-08 I. Chestnov , E. Cherotchenko , A. Nalitov

We demonstrate experimentally the condensation of exciton-polaritons through optical trapping. The non-resonant pump profile is shaped into a ring and projected to a high quality factor microcavity where it forms a 2D repulsive optical…

Other Condensed Matter · Physics 2015-06-12 A. Askitopoulos , H. Ohadi , Z. Hatzopoulos , P. G. Savvidis , A. V. Kavokin , P. G. Lagoudakis

We analyse nonequilibrium phase transitions in microcavity polariton condensates trapped in optically induced annular potentials. We develop an analytic model for annular optical traps, which gives an intuitive interpretation for recent…

Mesoscale and Nanoscale Physics · Physics 2019-03-27 A. V. Nalitov , H. Sigurdsson , S. Morina , Y. S. Krivosenko , I. V. Iorsh , Y. G. Rubo , A. V. Kavokin , I. A. Shelykh

We study formation of superfluid currents of exciton polaritons in annular polariton condensates in a cylindrical micropillar cavity under the spatially localised nonresonant optical pumping. Since polariton condensates are strongly…

Mesoscale and Nanoscale Physics · Physics 2024-03-07 Evgeny Sedov , Vladimir Lukoshkin , Vladimir Kalevich , Igor Chestnov , Z. Hatzopoulos , P. G. Savvidis , Alexey Kavokin

We report multistate optical switching among high-order bouncing-ball modes ("ripples") and whispering-gallerying modes ("petals") of exciton-polariton condensates in a laser-generated annular trap. By tailoring the diameter and power of…

Mesoscale and Nanoscale Physics · Physics 2018-01-31 Yongbao Sun , Yoseob Yoon , Saeed Khan , Li Ge , Loren N. Pfeiffer , Ken West , Hakan E. Tureci , David W. Snoke , Keith A. Nelson

We investigate theoretically the quantum oscillator-like states recently observed experimentally in polariton condensates (Nat. Phys. 8, 190 (2012)). We consider a complex Gross-Pitaevskii type model which includes the effects of…

Quantum Gases · Physics 2016-02-17 Florian Pinsker , and Tristram J. Alexander

We demonstrate room temperature optical trapping and generation of high-order angular harmonics in exciton-polariton condensates in a monocrystalline CsPbBr$_3$ perovskite-filled microcavity. Using an annular nonresonant excitation profile…

Microcavity exciton-polariton condensates under additional transverse confinement constitute a flexible optical platform to study the coupling mechanism between confined nonequilibrium and nonlinear states of matter. Driven far from…

Equilibrium Bose-Einstein condensation of exciton-polaritons, demonstrated with a long-lifetime microcavity [Phys. Rev. Lett. 118, 016602 (2017)], has proven that driven-dissipative systems can undergo thermodynamic phase transitions in the…

A condensed matter platform for analogue simulation of complex two-dimensional molecular bonding configurations, based on optically trapped exciton-polariton condensates is proposed. The stable occupation of polariton condensates in the…

Mesoscale and Nanoscale Physics · Physics 2021-04-07 E. D. Cherotchenko , H. Sigurdsson , A. Askitopoulos , A. V. Nalitov

Exciton-polaritons generated by light-induced potentials can spontaneously condense into macroscopic quantum states that display nontrivial spatial and temporal density modulation. While these patterns and their dynamics can be reproduced…

Mesoscale and Nanoscale Physics · Physics 2013-11-20 Li Ge , Ani Nersisyan , Baris Oztop , Hakan E. Tureci

We develop a mean-field theory of the spatial profile and the spectral properties of polariton condensates in nonresonantly pumped semiconductor microcavities in the strong coupling regime. Predictions are obtained for both the…

Other Condensed Matter · Physics 2009-11-13 M. Wouters , I. Carusotto , C. Ciuti

Optical trapping has been proven to be an effective method of separating exciton-polariton condensates from the incoherent high-energy excitonic reservoir located at the pumping laser position. This technique has significantly improved the…

We study Frenkel exciton-polariton Bose-Einstein condensation in a two-dimensional defect-free triangular photonic crystal with an organic semiconductor active medium containing bound excitons with dipole moments oriented perpendicular to…

Optics · Physics 2018-04-04 D. V. Karpov , I. G. Savenko

We present a study of the macroscopic dynamics of a polariton condensate formed by non-resonant optical excitation in a quasi-one-dimensional ring-shaped microcavity. The presence of a gradient in the cavity photon energy creates a…

We present a theoretical study of synchronization dynamics in incoherently pumped exciton-polariton condensates in coupled polariton traps. Our analysis is based on a coupled-mode theory for the generalized Gross-Pitaevskii equation, which…

Mesoscale and Nanoscale Physics · Physics 2017-11-03 Saeed Khan , Hakan E. Türeci

We investigate the optical orientation, polarization pinning, and depolarization of optically confined semiconductor exciton-polariton condensates. We perform a complete mapping of the condensate polarization as a function of incident…

Mesoscale and Nanoscale Physics · Physics 2020-09-23 Ivan Gnusov , Helgi Sigurdsson , Stepan Baryshev , Timur Ermatov , Alexis Askitopoulos , Pavlos G. Lagoudakis

Exciton-polaritons are bosonic-like elementary excitations in semiconductors, which have been recently shown to display large occupancy of topologically protected polariton bound states in the continuum in suitably engineered photonic…

Other Condensed Matter · Physics 2023-12-13 Davide Nigro , Dario Gerace

The polarization dependence of nonequilibrium transitions in a multistable cavity-polariton system is studied under a nanosecond long resonant optical excitation at the normal and magic angle incidences with various polarizations of the…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 S. S. Gavrilov , A. S. Brichkin , A. A. Demenev , A. A. Dorodnyy , S. I. Novikov , S. G. Tikhodeev , N. A. Gippius , V. D. Kulakovskii

We have performed real and momentum space spectroscopy of exciton polariton condensates in a GaAs-based microcavity under non-resonant excitation with an intensity stabilized laser. An effective trapping mechanism is revealed, which is due…

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