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Following the recent success of realizing exciton-polariton condensates in cavities, we examine the hybridization of cavity photons with the closest analog of excitons within a superconductor, states called Bardasis-Schrieffer (BS) modes.…

Mesoscale and Nanoscale Physics · Physics 2019-01-23 Andrew A. Allocca , Zachary M. Raines , Jonathan B. Curtis , Victor M. Galitski

Strong coupling between various kinds of material excitations and optical modes has recently shown potential to modify chemical reaction rates in both excited and ground states. The ground-state modification in chemical reaction rates has…

We consider non-dissipative drag between Bose-condensed exciton polaritons in optical microcavity and embedded superconductors. This effect consists in induction of a non-dissipative electric current in the superconductor by motion of…

Mesoscale and Nanoscale Physics · Physics 2023-10-17 Azat F. Aminov , Alexey A. Sokolik , Yurii E. Lozovik

We investigate the possibility of creating X-waves, or localized wave packets, in resonantly excited exciton-polariton superfluids. We demonstrate the existence of X-wave traveling solutions in the coupled exciton-photon system past the…

Quantum Gases · Physics 2016-07-06 Oksana Voronych , Adam Buraczewski , Michał Matuszewski , Magdalena Stobińska

Polaritons are quasiparticles arising from the strong coupling of electromagnetic waves in cavities and dipolar oscillations in a material medium. In this framework, localized surface plasmon in metallic nanoparticles defining optical…

We propose a projector-based renormalization framework to study exciton-polariton Bose-Einstein condensation in a microcavity matter-light system. Treating Coulomb interaction and electron-hole/photon coupling effects on an equal footing we…

Strongly Correlated Electrons · Physics 2016-02-26 Van-Nham Phan , Klaus W. Becker , Holger Fehske

We study exciton-polariton nonlinear optical fluids in a high momentum regime for the first time. Defects in the fluid develop into dark solitons whose healing length decreases with increasing density. We deduce interaction constants for…

We present a microscopic quantum theory of light-matter interaction in pristine sheets of two-dimensional semiconductors coupled to localized electromagnetic resonators such as optical nanocavities or plasmonic particles. The light-matter…

Quantum Physics · Physics 2022-03-02 E. V. Denning , M. Wubs , N. Stenger , J. Mork , P. T. Kristensen

We demonstrate the possibility of the optical orientation of excitons in the near field of the metal grating that covers a semiconductor nanostructure. Excitons generated this way have the wave vector greater than the wave vector of the…

Mesoscale and Nanoscale Physics · Physics 2024-03-21 A. V. Korotchenkov , N. S. Averkiev

The dynamics of a mobile quantum impurity in a degenerate Fermi system is a fundamental problem in many-body physics. The interest in this field has been renewed due to recent ground-breaking experiments with ultra-cold Fermi gases. Optical…

Mesoscale and Nanoscale Physics · Physics 2017-04-05 Meinrad Sidler , Patrick Back , Ovidiu Cotlet , Ajit Srivastava , Thomas Fink , Martin Kroner , Eugene Demler , Atac Imamoglu

BEC of exciton-polaritons and related effects such as superfluidity1,2, spontaneous symmetry breaking3,4 and quantised vortices5,6 open way to creation of novel light sources7 and optical logic elements8. Remarkable observations of…

Quantum Gases · Physics 2012-08-24 Elena Kammann , Hamid Ohadi , Maria Maragkou , Alexey V. Kavokin , Pavlos G. Lagoudakis

Optical bound states in the continuum (BICs) provide a way to engineer very narrow resonances in photonic crystals. The extended interaction time in such systems is particularly promising for enhancement of nonlinear optical processes and…

We have experimentally observed an eddy current of exciton polaritons arising in a cylindrical GaAs/AlGaAs pillar microcavity under the nonresonant optical pumping. The polariton current manifests itself in a Mach-Zehnder interferometry…

Mesoscale and Nanoscale Physics · Physics 2018-05-30 V. A. Lukoshkin , V. K. Kalevich , M. M. Afanasiev , K. V. Kavokin , Z. Hatzopoulos , P. G. Savvidis , E. S. Sedov , A. V. Kavokin

Entanglement generation in microcavity exciton-polaritons is an interesting application of the peculiar properties of these half-light/half-matter quasiparticles. In this paper we theoretically investigate their luminescence dynamics and…

Strongly Correlated Electrons · Physics 2017-01-06 L. Einkemmer , Z. Vörös , G. Weihs , S. Portolan

We theoretically investigate exciton-polaritons in a two-dimensional (2D) semiconductor heterostructure, where a static magnetic field is applied perpendicular to the plane. To explore the interplay between magnetic field and a strong…

Mesoscale and Nanoscale Physics · Physics 2024-12-12 Emma Laird , Francesca M. Marchetti , Dmitry K. Efimkin , Meera M. Parish , Jesper Levinsen

The bound electron-hole pairs known as excitons govern the optical properties of insulating solids. While their behavior in equilibrium is well-understood theoretically, the nonequilibrium regime at high excitation densities-where phenomena…

Mesoscale and Nanoscale Physics · Physics 2025-10-31 Pushpendra Yadav

A dc electric current can be induced in a hybrid semiconductor-superconductor system under illumination it by a circularly polarized light with the frequency below the energy of semiconductor interband transitions. In conditions when the…

Superconductivity · Physics 2015-05-30 A. G. Mal'shukov

Polaritons are quasiparticles resulting from strong quantum coupling of light and matter. Peculiar properties of polaritons are a mixture of physics usually restricted to one of these realms, making them interesting for study not only from…

Quantum Gases · Physics 2023-08-14 Andrzej Opala , Michał Matuszewski

A theory of non-linear emission of quantum dot ensembles coupled to the optical mode of the microcavity is presented. Numerical results are compared with analytical approaches. The effects of exciton-exciton interaction within the quantum…

Mesoscale and Nanoscale Physics · Physics 2015-06-11 A. N. Poddubny , M. M. Glazov , N. S. Averkiev

We show that the appropriate on-off switching of Josephson coupling between exciton-polaritons in coupled semiconductor microcavities can reveal the full capacity for generating entanglement with a recently proposed method which essentially…

Mesoscale and Nanoscale Physics · Physics 2018-07-25 Dionisis Stefanatos , Emmanuel Paspalakis