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Related papers: Ring-shaped polariton lasing in pillar microcaviti…

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Generation of ultrarelativistic polarized positrons during interaction of an ultrarelativistic electron beam with a counterpropagating two-color petawatt laser pulse is investigated theoretically. Our Monte Carlo simulation based on a…

An exciton-polariton microcavity that incorporates magnetic ions can exhibit a spontaneous self-trapping phenomenon which is an analog of the classical polaron effect. We investigate in detail the full model of a polariton condensate that…

Quantum Gases · Physics 2018-11-14 Paweł Miętki , Michał Matuszewski

We develop a theory to calculate exciton binding energies of both two- and three-dimensional spin polarized exciton gases within a mean field approach. Our method allows the analysis of recent experiments showing the importance of the…

Condensed Matter · Physics 2019-08-15 J. Fernández-Rossier , C. Tejedor , L. Muñoz , L. Viña

A method of determining the temperature of the nonradiative reservoir in a microcavity exciton-polariton system is developed. A general relation for the homogeneous polariton linewidth is theoretically derived and experimentally used in the…

Mesoscale and Nanoscale Physics · Physics 2014-07-02 V. V. Belykh , D. N. Sob'yanin

Controlling light-matter interactions in solid-state systems has motivated intense research to produce bosonic quasi-particles known as exciton-polaritons, which requires strong coupling between excitons and cavity photons. Ultra-low…

We present a theoretical model that allows us to describe the polariton dynamics in a semiconductor microcavity at large densities, for the case of non-resonant excitation. Exciton-polariton scattering from a thermalized exciton reservoir…

Condensed Matter · Physics 2009-11-07 D. Porras , C. Ciuti , J. J. Baumberg , C. Tejedor

Interactions of few-cycle terahertz pulses with the induced optical polarization in a quantum-well microcavity reveal that the lower and higher exciton-polariton modes together with the optically forbidden 2p-exciton state form a unique…

We present a simple method to create an in-plane lateral potential in a semiconductor microcavity using a metal thin-film. Two types of potential are produced: a circular aperture and a one-dimensional (1D) periodic grating pattern. The…

Polariton lasing has recently been observed in strongly coupled crystalline anthracene microcavities. A simple model is developed describing the onset of the non-linear threshold based on a master equation including the relevant relaxation…

Mesoscale and Nanoscale Physics · Physics 2013-09-04 Leonardo Mazza , Stéphane Kéna-Cohen , Paolo Michetti , Giuseppe C. La Rocca

Photoinduced Kerr rotation by more than $\pi /2$ radians is demonstrated in planar quantum well microcavity in the strong coupling regime. This result is close to the predicted theoretical maximum of $\pi $. It is achieved by engineering…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 R. V. Cherbunin , M. Vladimirova , K. V. Kavokin , A. V. Mikhailov , N. E. Kopteva , P. G. Lagoudakis , A. V. Kavokin

We report on polariton condensation in photonic molecules formed by two coupled micropillars. We show that the condensation process is strongly affected by the interaction with the cloud of uncondensed excitons. Depending on the spatial…

Exciton polaritons are hybrid particles of excitons (bound electron-hole pairs) and cavity photons, which are renowned for displaying Bose Einstein condensation and other coherent phenomena at elevated temperatures. However, their formation…

Mesoscale and Nanoscale Physics · Physics 2024-08-29 Kenneth Choo , Olivier Bleu , Jesper Levinsen , Meera M. Parish

Cavity-polaritons in semiconductor photonic structures have emerged as a test bed for exploring non-equilibrium dynamics of quantum fluids in an integrated solid-state device setting. Several recent experiments demonstrated the potential of…

Mesoscale and Nanoscale Physics · Physics 2013-12-04 Benjamin Besga , Cyril Vaneph , Jakob Reichel , Jerome Esteve , Andreas Reinhard , Javier Miguel-Sanchez , Atac Imamoglu , Thomas Volz

We compare polariton lasing with photon lasing of a planar GaAs/GaAlAs microcavity with zero detuning between the bare cavity mode and the bare exciton mode. For the emission from the lower energy-momentum dispersion branch we find a…

We demonstrate, both experimentally and theoretically, a new phenomenon: the presence of dissipative coupling in the system of driven bosons. This is evidenced for a particular case of externally excited spots of exciton-polariton…

Other Condensed Matter · Physics 2017-09-25 H. Ohadi , R. L. Gregory , T. Freegarde , Y. G. Rubo , A. V. Kavokin , P. G. Lagoudakis

While optical technology provides the best solution for the transmission of information, optical logics still calls for qualitative new concepts to be explored. Exciton-polaritons are composite particles, resulting from the strong coupling…

We present an experimental study on the ignition and decay of a polariton optical parametric oscillator (OPO) in a semiconductor microcavity pillar. The combination of a continuous wave laser pump, under quasi-phase matching conditions, and…

Mesoscale and Nanoscale Physics · Physics 2014-10-23 C. Antón , D. Solnyshkov , G. Tosi , M. D. Martín , Z. Hatzopoulos , G. Deligeorgis , P. G. Savvidis , G. Malpuech , L. Viña

We report on the strong coupling between inorganic quantum well excitons and surface plasmons. For that purpose a corrugated silver film was deposited on the top of a heterostructure consisting of GaAs/GaAlAs quantum wells. The formation of…

Random lasing is an intriguing phenomenon occurring in disordered structures with optical gain. In such lasers, the scattering of light provides the necessary feedback for lasing action. Because of the light scattering, the random lasing…

We have observed the effect of pseudo magnetic field originating from the polaritonic analog of spin-orbit coupling (TE$-$TM splitting) on a polariton condensate in a ring-shaped microcavity. The effect gives rise to a stable four-leaf…