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Cavity-polaritons in semiconductor microstructures have emerged as a promising system for exploring nonequilibrium dynamics of many-body systems. Key advances in this field, including the observation of polariton condensation,…

Mesoscale and Nanoscale Physics · Physics 2019-04-05 Aymeric Delteil , Thomas Fink , Anne Schade , Sven Höfling , Christian Schneider , Ataç Imamoğlu

We present a systematic investigation of two-photon excitation processes in a GaAs-based microcavity in the strong-coupling regime. We observe second harmonic generation resonant to the upper and lower polariton level, which exhibits a…

Mesoscale and Nanoscale Physics · Physics 2014-08-06 Johannes Schmutzler , Marc Aßmann , Thomas Czerniuk , Martin Kamp , Christian Schneider , Sven Höfling , Manfred Bayer

We consider a quantum well embedded in a zero-dimensional microcavity with a sub-wavelength grated mirror, where the x-linearly polarized exciton mode is strongly coupled to the cavity photon, while y-polarized excitons remain in the weak…

Mesoscale and Nanoscale Physics · Physics 2014-09-11 O. Kyriienko , T. C. H. Liew , E. A. Ostrovskaya , O. A. Egorov , I. A. Shelykh

We present a microscopic theory of the equilibrium polariton condensate state of a semiconductor quantum well in a planar optical cavity. The theory accounts for the adjustment of matter excitations to the presence of a coherent photon…

Mesoscale and Nanoscale Physics · Physics 2016-12-07 Fei Xue , Fengcheng Wu , Ming Xie , Jung-Jung Su , A. H. MacDonald

Polaritons enable the resonant coupling of excitons and photons to vibrations in the application-relevant super high frequency (SHF, 3-30 GHz) domain. We introduce a novel platform for coherent optomechanics based on the coupling of…

Applied Physics · Physics 2021-04-28 Alexander S. Kuznetsov , Diego H. O. Machado , Klaus Biermann , Paulo V. Santos

We investigate the influence of exciton-phonon coupling on the dynamics of a strongly coupled quantum dot-photonic crystal cavity system and explore the effects of this interaction on different schemes for non-classical light generation. By…

Wide bandgap semiconductors are attractive candidates for polariton-based devices operating at room temperature. We present numerical simulations of reflectivity, transmission and absorption spectra of bulk GaAs, GaN and ZnO microcavities,…

Other Condensed Matter · Physics 2009-01-13 Stéphane Faure , T. Guillet , P. Lefebvre , T. Bretagnon , B. Gil

We investigate the exciton complexes photoluminescence, dynamics and photon statistics in the concurrent strong weak coupling regime in our unique site controlled singular inverted pyramidal InGaAs/GaAs quantum dots photonic crystal…

Mesoscale and Nanoscale Physics · Physics 2023-12-05 Jiahui Huang , Wei Liu , Murat Can Sarihan , Xiang Cheng , Alessio Miranda , Benjamin Dwir , Alok Rudra , Eli Kapon , Chee Wei Wong

A theoretical description of radiation-matter coupling for semiconductor-based photonic crystal slabs is presented, in which quantum wells are embedded within the waveguide core layer. A full quantum theory is developed, by quantizing both…

Soft Condensed Matter · Physics 2009-11-13 D. Gerace , L. C. Andreani

We present a microscopic semi-analytical theory for the description of organic molecules interacting strongly with a cavity mode. Exciton-vibration coupling within the molecule and exciton-cavity interaction are treated on an equal footing…

Mesoscale and Nanoscale Physics · Physics 2016-11-15 Ning Wu , Johannes Feist , Francisco J. Garcia-Vidal

Optically generated exciton-polaritons in cylindric semiconductor pillar microcavity with embedded GaAs/AlGaAs quantum wells demonstrate a clear polariton lasing regime. When exciting in the center of the pillar we detect a ring-shaped…

Mesoscale and Nanoscale Physics · Physics 2015-06-18 V. K. Kalevich , M. M. Afanasiev , V. A. Lukoshkin , K. V. Kavokin , S. I. Tsintzos , P. G. Savvidis , A. V. Kavokin

We theoretically study the coupled modes of a medium-size quantum dot, which may confine a maximum of ten electron-hole pairs, and a single photonic mode of an optical microcavity. Ground-state and excitation energies, exciton-photon mixing…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Herbert Vinck , Boris A. Rodriguez , Augusto Gonzalez

Due to high binding energy and oscillator strength, excitons in thin flakes of transition metal dichalcogenides constitute a perfect foundation for realizing a strongly coupled light-matter system. In this paper we investigate mono- and…

Recent experiments have shown contradictory effects of strong light-matter coupling on exciton-exciton annihilation (EEA) in organic molecular systems. In this work, we perform numerical simulations of polariton dynamics and reveal the role…

Chemical Physics · Physics 2026-05-20 I. Sokolovskii , B. S. Humphries , J. Blumberger , G. Groenhof

A comprehensive study of the frequency dependence of the photon-magnon coupling for different magnetic samples is made possible with a tuneable 3D--printed re--entrant cavity. Strong coupling is achieved, with values ranging between 20--140…

Applied Physics · Physics 2020-08-28 Jeremy Bourhill , Vincent Castel , Alexandre Manchec , Gwendal Cochet

We demonstrate the existence of the excited state of an exciton-polariton in a semiconductor microcavity. The strong coupling of the quantum well heavy-hole exciton in an excited 2s state to the cavity photon is observed in non-zero…

Controlled non-local energy and coherence transfer enables light harvesting in photosynthesis and non-local logical operations in quantum computing. The most relevant mechanism of coherent coupling of distant qubits is coupling via the…

Exciton-polaritons in semiconductors are quasi-particles which have recently shown the capability to undergo phase transition into a coherent hybrid state of light and matter. The observation of such quasi-particles in organic microcavities…

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

Laser control of solids was so far mainly discussed in the context of strong classical nonlinear light-matter coupling in a pump-probe framework. Here we propose a quantum-electrodynamical setting to address the coupling of a…

Superconductivity · Physics 2018-07-02 Michael A. Sentef , Michael Ruggenthaler , Angel Rubio