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We study the polarization optical properties of microcavities with embedded (110)-oriented quantum wells. The spin dynamics of exciton polaritons in such structures is governed by the interplay of the spin-orbit splitting of exciton states,…

Mesoscale and Nanoscale Physics · Physics 2015-10-14 V. Shahnazaryan , S. Morina , S. A. Tarasenko , I. A. Shelykh

We present a theoretical study of an exciton-polariton annular microcavity with an additional quasiperiodic structure along the ring which is implemented in the form of a bicosine dependence. We demonstrate that for a sufficiently strong…

Mesoscale and Nanoscale Physics · Physics 2024-02-12 Andrei V. Nikitin , Dmitry A. Zezyulin

Circularly polarized photons have the Berry curvature in the semiclassical regime. Based on the kinetic equation for such chiral photons, we derive the (non)equilibrium expression of the photon current in the direction of the vorticity. We…

High Energy Physics - Theory · Physics 2017-10-09 Naoki Yamamoto

We have fabricated pillar microcavity samples with Bragg mirrors consisting of alternate layers of GaAs and Aluminium Oxide. Compared to the more widely studied GaAs/AlAs micropillars these mirrors can achieve higher reflectivities with…

Other Condensed Matter · Physics 2009-11-13 A. J. Bennett , D. J. P. Ellis , A. J. Shields , P. Atkinson , I. Farrer , D. A. Ritchie

The authors report the observation of electroluminescence from GaAs-based semiconductor microcavities in the strong coupling regime. At low current densities the emission consists of two peaks, which exhibit anti-crossing behaviour as a…

Other Condensed Matter · Physics 2009-11-13 A. A. Khalifa , A. P. D. Love , D. N. Krizhanovskii , M. S. Skolnick , J. S. Roberts

We introduce a new theoretical approach for analyzing pump and probe experiments in non-linear acousto-optic systems. In our approach, the effect of coherently pumped polaritons is modeled as providing time-periodic modulation of the system…

Optics · Physics 2024-06-19 Sho Sugiura , Eugene A. Demler , Mikhail Lukin , Daniel Podolsky

A tunable optical multistability scheme based on a single cavity mode coupled with two separate atomic transitions in an atom-cavity system is proposed and demonstrated. Under the collective strong coupling condition, multiple polariton…

Quantum Physics · Physics 2024-03-12 Liyong Wang , Yinxue Zhao , Jiajia Du

We observe ground-state polariton condensation in a two dimensional GaAs/AlAs semiconductor microcavity under non resonant pulsed optical excitation. We resolve the formation of a polariton condensate by studying the spatial, angular,…

Materials Science · Physics 2009-07-23 M. Maragkou , A. J. D. Grundy , P. G. Lagoudakis

Hybrid light-matter states, polaritons, are one of the central concepts in modern quantum optics and condensed matter physics. Polaritons emerge as a result of strong interaction between an optical mode and a material resonance, which is…

We theoretically investigate the nonlinear effects in a hybrid quantum optomechanical system consisting of two optically coupled semiconductor microcavities containing a quantum dot and a Kerr nonlinear substrate.The steady state behavior…

Mesoscale and Nanoscale Physics · Physics 2019-03-27 Sonam Mahajan , Aranya B Bhattacherjee

Seeing macroscopic quantum states directly remains an elusive goal. Particles with boson symmetry can condense into such quantum fluids producing rich physical phenomena as well as proven potential for interferometric devices [1-10].…

Mesoscale and Nanoscale Physics · Physics 2011-12-01 G. Tosi , G. Christmann , N. G. Berloff , P. Tsotsis , T. Gao , Z. Hatzopoulos , P. G. Savvidis , J. J. Baumberg

We study the thermodynamic condensation of microcavity polaritons using a realistic model of disorder in semiconductor quantum wells. This approach correctly describes the polariton inhomogeneous broadening in the low density limit, and…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 F. M. Marchetti , J. Keeling , M. H. Szymanska , P. B. Littlewood

Cavity polaritons have been shown these last years to exhibit a rich variety of non-linear behaviors which could be used in new polariton based devices. Operation in the strong coupling regime under electrical injection remains a key step…

We demonstrate an efficient switching between strong and weak exciton-photon coupling regimes in microcavity-embedded asymmetric double quantum wells, controlled by an applied electric field. We show that a fine tuning of the electric field…

Mesoscale and Nanoscale Physics · Physics 2015-11-02 K. Sivalertporn , E. A. Muljarov

Recent experiments in exciton-polariton systems have provided high-precision measurements of the value of the polariton-polariton interaction constant, which is a key parameter that governs the nonlinear dynamics of polariton condensates…

Mesoscale and Nanoscale Physics · Physics 2021-12-15 Guangyao Li , Meera M. Parish , Jesper Levinsen

A one-dimensional magnetophotonic crystal with a nonlinear defect placed either symmetrically or asymmetrically inside the structure is considered. Simultaneous effects of time-reversal nonreciprocity and nonlinear spatial asymmetry in the…

Optics · Physics 2012-07-03 Vladimir R. Tuz , Sergei V. Zhukovsky , Sergey L. Prosvirnin

We investigate experimentally one of the main features of a quantum fluid constituted by exciton polaritons in a semiconductor microcavity, that is quantum degeneracy of a macroscopic fraction of the particles. We show that resonant pumping…

Other Condensed Matter · Physics 2007-05-23 Augustin Baas , Jean-Philippe Karr , Marco Romanelli , Alberto Bramati , Elisabeth Giacobino

We present a model for theoretical description of the dynamics of a system of spinor cavity polaritons in real space and time accounting for all relevant types of the interactions and effective magnetic fields. We apply our general…

Mesoscale and Nanoscale Physics · Physics 2013-03-15 Ö. Bozat , I. G. Savenko , I. A. Shelykh

The role of polariton-electron scattering on the performance characteristics of an electrically injected GaAs-based quantum well microcavity diode in the strong coupling regime has been investigated. An electron gas is introduced in the…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 Ayan Das , Bo Xiao , Sishir Bhowmick , Pallab Bhattacharya

We consider a polariton condensate in a microcavity driven by a bichromatic resonant pump formed by two vortical laser beams carrying different topological charges. The system is additionally confined in a ring-shaped potential. We show…

Mesoscale and Nanoscale Physics · Physics 2019-10-10 Yaroslav V. Kartashov , Dmitry A. Zezyulin
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