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The effect of disorder in the intensity of the driving laser on the dynamics of a disordered three-cavity system of four-level atoms is investigated. This system can be described by a Bose-Hubbard Hamiltonian for dark-state polaritons. We…

Other Condensed Matter · Physics 2020-05-15 Abuenameh Aiyejina , Roger Andrews

The effect of disorder in the intensity of the driving laser on a coupled array of cavities described by a Bose-Hubbard Hamiltonian for dark-state polaritons is investigated. A canonically-transformed Gutzwiller wave function is used to…

Other Condensed Matter · Physics 2020-05-15 Abuenameh Aiyejina , Roger Andrews

Condensation of microcavity polaritons and the substantial influence of pair-breaking disorder and decoherence leading to a laser regime has been recently considered using two different models: a model for direct two band excitons in a…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 F. M. Marchetti , M. H. Szymanska , P. R. Eastham , B. D. Simons , P. B. Littlewood

The impact of a random disorder potential on the dynamical properties of Bose Einstein condensates is a very wide research field. In microcavities, these studies are even more crucial than in the condensates of cold atoms, since random…

Mesoscale and Nanoscale Physics · Physics 2015-06-04 G. Malpuech , D. Solnyshkov

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

A model for direct two band excitons in a disordered quantum well coupled to light in a cavity is investigated. In the limit in which the exciton density is high, we assess the impact of weak `pair-breaking' disorder on the feasibility of…

Mesoscale and Nanoscale Physics · Physics 2007-05-23 F. M. Marchetti , B. D. Simons , P. B. Littlewood

Strong light-matter interactions between molecules and quantized electromagnetic fields inside an optical cavity open up novel possibilities, though inevitably influenced by disorder, an inherent attribute of realistic molecular systems.…

Chemical Physics · Physics 2025-05-29 Robert F. Catuto , Hsing-Ta Chen

We study the coherence and density modulation of a non-equilibrium exciton-polariton condensate in a one-dimensional valley with disorder. By means of interferometric measurements we evidence a modulation of the first-order coherence…

We investigate the steady states of a lossy array of nonlinear optical resonators that are driven by lasers and interact via mutual photon tunneling. For weak nonlinearities, we find two-mode squeezing of polaritons in modes whose…

Mesoscale and Nanoscale Physics · Physics 2015-05-14 Michael J. Hartmann

The influence of polariton-polariton scattering on the statistics of the polariton condensate in a non-resonantly excited semiconductor quantum well embedded in a CdTe semiconductor microcavity is discussed. Taking advantage of the…

Other Condensed Matter · Physics 2009-11-13 Paolo Schwendimann , Antonio Quattropani

We investigate the effects of disorder on the propagation of one-dimensional polariton condensates in semiconductor microcavities. We observe a strong suppression of the backscattering produced by the imperfections of the structure when…

Condensation of exciton-polaritons in semiconductor microcavities takes place despite in plane disorder. Below the critical density the inhomogeneity of the potential seen by the polaritons strongly limits the spatial extension of the…

Other Condensed Matter · Physics 2009-11-13 A. Baas , K. G. Lagoudakis , M. Richard , R. Andre , Le Si Dang , B. Deveaud-Pledran

This study investigates the dynamic behavior of polaritons in an optical cavity containing one million molecules, emphasizing the influence of molecular rotation and level disorder on the coupling between molecules and photons. Through…

Optics · Physics 2024-02-22 Wei Liu , Jingqi Chen , Wenjie Dou

We develop an analytical approach for calculating the scattering and bound states of two polaritons in a one-dimensional (1D) infinite array of coupled cavities, with each cavity coupled to a two-level system (TLS). In particular, we find…

Quantum Physics · Physics 2015-06-11 Chuan-zhou Zhu , Shimpei Endo , Pascal Naidon , Peng Zhang

Dissipative solitons are localized solutions in non-integrable and non-conservative nonlinear system, due to a balance of nonlinearity, dispersion, filtering, and loss/gain. Different from conventional soliton, they exhibit extremely…

The semiconductor polariton laser promises a new source of coherent light, which, compared to conventional semiconductor photon lasers, has input-energy threshold orders of magnitude lower. However, intensity stability, a defining feature…

We consider molecules confined to a microcavity whose dimensions are such that an excitation of the molecule is nearly resonant with a cavity mode. We investigate the situation where the excitation energies of the molecules are randomly…

Quantum Physics · Physics 2022-06-01 Tarun Gera , K. L. Sebastian

The strong coupling between molecules and photonic modes in a Fabry-P\'{e}rot optical cavity, which forms hybrid light-matter states called polaritons, has been demonstrated as a promising route to control the rates of chemical reactions.…

Quantum Physics · Physics 2025-05-22 Kunyang Sun , Matthew Du , Joel Yuen-Zhou

Microcavity polaritons are bosonic light-matter particles that can emit coherent radiation without electronic population inversion via bosonic scattering. This phenomenon, known as polariton lasing, strongly depends on the polaritons'…

Optics · Physics 2021-02-09 U. Czopak , M. Prilmüller , C. Schneider , S. Höfling , G. Weihs

Vibrational polaritons form in a planar Fabry-Perot microcavity when a vibrational mode of a layer of molecules is near resonant with an infrared cavity mode. Herein, dispersion relations of vibrational polaritons are studied when the…

Chemical Physics · Physics 2024-06-18 Tao E. Li
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