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Microcavity polaritons are light-matter quasiparticles that arise from the strong coupling between excitons and photons confined in a semiconductor microcavity. They typically operate at visible or near visible wavelengths. They combine the…

Mesoscale and Nanoscale Physics · Physics 2020-11-06 Dmitry D. Solnyshkov , Guillaume Malpuech , Philippe St-Jean , Sylvain Ravets , Jacqueline Bloch , Alberto Amo

We study the time dependent polariton condensation as well as the parametric scattering process of polaritons in a semiconductor microcavity. Based upon a new stochastic scheme the dynamics for both cases is fully analyzed. We show how the…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 A. E. Pedraza , L. Quiroga

By exploiting the polarization multistability of polaritons, we show that polarized signals can be conducted in the plane of a semiconductor microcavity along controlled channels or "neurons". Furthermore due to the interaction of…

Mesoscale and Nanoscale Physics · Physics 2011-01-13 T. C. H. Liew , I. A. Shelykh , A. V. Kavokin

Condensation of exciton-polaritons has been recently observed in one-dimensional photonic crystal waveguides, exploiting the interplay of long-lived gap confined eigenmodes and negative mass polariton branches. Here we focus on the…

We predict that the transverse electric-magnetic polarization splitting of exciton-polaritons allows a simple technique for the generation of polariton vortices of winding number 2 in semiconductor microcavities. The vortices can be excited…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 T C H Liew , A V Kavokin , I A Shelykh

A general theory of polariton parametric photoluminescence in spatially inhomogeneous systems is developed. The quantum Langevin equations are solved in a generalized Bogoliubov de Gennes approximation. We apply the formalism to the…

Other Condensed Matter · Physics 2015-05-13 Davide Sarchi , Michiel Wouters , Vincenzo Savona

We investigate theoretically the polariton coupling between the light confined in a planar cavity and the intersubband transitions of a two-dimensional electron gas confined in semiconductor quantum wells in the presence of a vertical…

Mesoscale and Nanoscale Physics · Physics 2011-07-08 Giovanni Pizzi , Francesca Carosella , Gérald Bastard , Robson Ferreira

Experimental evidence of strong coupling between excitons confined in a quantum well and the photonic modes of a two-dimensional dielectric lattice is reported. Both resonant scattering and photoluminescence spectra at low temperature show…

We demonstrate theoretically that the interaction of two degenerate condensates of exciton-polaritons in microcavities leads to polarization dependent parametric oscillations. The resonant polariton-polariton scattering is governed by the…

Mesoscale and Nanoscale Physics · Physics 2011-01-13 T C H Liew , A V Kavokin , I A Shelykh

We develop a microscopic description of an electron-doped two-dimensional semiconductor embedded in a microcavity. Specifically, we investigate the interactions between exciton-polaritons and electrons for the case where the interactions…

Mesoscale and Nanoscale Physics · Physics 2021-05-19 Guangyao Li , Olivier Bleu , Jesper Levinsen , Meera M. Parish

We present novel experimental results demonstrating the coherence properties of the nonlinear emission from semiconductor microcavities in the strong coupling regime, recently interpreted by parametric polariton four-wave mixing. We use a…

The interplay between strong light-matter interactions and charge doping represents an important frontier in the pursuit of exotic many-body physics and optoelectronics. Here, we consider a simplified model of a two-dimensional…

Mesoscale and Nanoscale Physics · Physics 2021-05-19 Guangyao Li , Olivier Bleu , Meera M. Parish , Jesper Levinsen

We have developed a theory of Raman scattering with single and double spin flips of localized resident electrons and holes as well as nonequilibrium localized excitons in semiconductor perovskite crystals under optical excitation in the…

Materials Science · Physics 2022-12-14 A. V. Rodina , E. L. Ivchenko

Here, we explore the quantum propagation of exciton polaritons in semiconductor microcavities, exhibiting intriguing effects such as interactions, decay, and disorder scatterings. Our investigation uncovers anomalies in their quantum…

Mesoscale and Nanoscale Physics · Physics 2024-04-30 Tian Lingyu , Yutian Peng , Qihua Xiong , Sanjib Ghosh

We present calculations of the intensity of polariton-mediated inelastic light scattering in semiconductor microcavities within a Green's function framework. In addition to reproducing the strong coupling of light and matter, this method…

Strongly Correlated Electrons · Physics 2015-05-14 L. M. Leon Hilario , A. A. Aligia , A. M. Lobos , A. Bruchhausen

We investigate the appearance of spontaneous coherence in the parametric emission from planar semiconductor microcavities in the strong coupling regime. Calculations are performed by means of a Quantum Monte Carlo technique based on the…

Other Condensed Matter · Physics 2007-05-23 Iacopo Carusotto , Cristiano Ciuti

Multi-particle correlations of exciton-polaritons and reservoir-excitons in the strong light-matter coupling regime dictate the quantum dynamics of optical microcavities. In this letter, we examine the many-body exciton-polariton dynamics…

We consider the system of a quantum well embedded in a planar semiconductor microcavity with a shallow circular mesa patterned on top of the cavity spacer. For this system we develop the linear coupling theory of polaritons. We then compute…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 Pierre Lugan Davide Sarchi Vincenzo Savona

Polaritons in semiconductor microcavities are hybrid quasiparticles consisting of a superposition of photons and excitons. Due to the photon component, polaritons are characterized by a quantum coherence length in the several micron range.…

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