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Dielectric environment engineering is an efficient and general approach to manipulating polaritons. Liquids serving as surrounding media of polaritons have been used to shift polariton dispersions and tailor polariton wavefronts. However,…

Optics · Physics 2024-02-05 Zhenyang Cui , Sihao Xia , Lian Shen , Bin Zheng , Hongsheng Chen , Yingjie Wu

The resonant scattering of surface plasmon-polariton waves by embedded semiconductor quantum dots above the dielectric/metal interface is explored in the strong-coupling regime. In contrast to non-resonant scattering by a localized…

Mesoscale and Nanoscale Physics · Physics 2015-06-19 Danhong Huang , Michelle Easter , Godfrey Gumbs , A. A. Maradudin , Shawn-Yu Lin , Dave Cardimona , Xiang Zhang

We study the kinetics of polariton condensation accounting for the condensation process as well as the energy relaxation of condensed polaritons due to their scattering with phonons and excitons. By assuming a Boltzmann kinetic description…

Mesoscale and Nanoscale Physics · Physics 2011-01-13 M. Wouters , T. C. H. Liew , V. Savona

We develop a microscopic mean-field theory describing the coexistence of Bose-Einstein condensates of upper and lower polaritons (UP/LP) in a semiconductor microcavity. Incorporating interbranch scattering within a modified polariton…

Quantum Gases · Physics 2025-12-18 A. Nafis Arafat , Oleg L. Berman , Godfrey Gumbs , Peter B. Littlewood

We study steady-state resonance light scattering from ensembles of noninteracting molecules, both in free space and inside optical cavities, while accounting for local thermal relaxation. The scattering spectra are obtained from…

Chemical Physics · Physics 2026-05-12 Bingyu Cui

Semiconductor microcavities, in which strong coupling of excitons to confined photon modes leads to the formation of exciton-polariton modes, have increasingly become a focus for the study of spontaneous coherence, lasing, and condensation…

Strongly Correlated Electrons · Physics 2007-05-23 J. Keeling , F. M. Marchetti , M. H. Szymanska , P. B. Littlewood

We present a simple method to compensate for losses in a polariton superfluid. Based on a weak support field, it allows for an extended propagation of a resonantly driven polariton superfluid at a minimal energetic cost. Moreover, this…

Quantum Gases · Physics 2017-10-03 Simon Pigeon , Alberto Bramati

Intercavity polaritons, hybrid quasiparticles with spatially separated photonic and excitonic components, provide a platform to engineer structured light-matter states. We show that resonant driving of the middle polariton branch leads to a…

Polariton condensation is a potential system state for performing analog computations, given that it exhibits quantum behavior at macroscopic scales readily probed with low-cost optical methods. Current methods of fabricating devices in…

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

For a generic semi-classical laser dynamics in the complex Ginzburg-Landau form, we develop a Bogoliubov approach for the computation of the laser emission linewidth. Our method provides a unifying perspective of the treatments by Henry and…

Optics · Physics 2022-03-14 Ivan Amelio , Iacopo Carusotto

Polaritons are quasi-particles originating from the coupling of light with matter that demonstrated quantum phenomena at the many-particle mesoscopic level, such as BEC and superfluidity. A highly sought and long-time missing feature of…

We investigate an all-optical microscale planar lensing technique based on coherent fluids of semiconductor cavity exciton-polariton condensates. Our theoretical analysis underpins the potential in using state-of-the-art spatial light…

Optics · Physics 2022-01-05 Y. Wang , H. Sigurdsson , J. D. Töpfer , P. G. Lagoudakis

We theoretically investigate the dispersion relation of small-amplitude optical waves superimposing upon a beam of polarized monochromatic light propagating along a single-mode channel waveguide characterized by an instantaneous and…

Quantum Gases · Physics 2017-06-13 P. -É. Larré , S. Biasi , F. Ramiro-Manzano , L. Pavesi , I. Carusotto

We study formation of superfluid currents of exciton polaritons in annular polariton condensates in a cylindrical micropillar cavity under the spatially localised nonresonant optical pumping. Since polariton condensates are strongly…

Mesoscale and Nanoscale Physics · Physics 2024-03-07 Evgeny Sedov , Vladimir Lukoshkin , Vladimir Kalevich , Igor Chestnov , Z. Hatzopoulos , P. G. Savvidis , Alexey Kavokin

The relativistic kinetic equations describing time evolution and space dependence of the density matrices of polarized photons and electrons interacting via Compton scattering are deduced from the quantum Liouville equation. The induced…

Astrophysics · Physics 2009-11-07 Dmitrij I. Nagirner , Juri Poutanen

We study light scattering from a periodically modulated two dimensional electron gas in a perpendicular magnetic field. If a subband is partially filled, the imaginary part of the dielectric function as a function of frequency contains…

Mesoscale and Nanoscale Physics · Physics 2009-10-30 Arne Brataas , C. Zhang , K. A. Chao

We observe spontaneously driven non-ground state polariton condensation in GaAs pillar microcavities under non-resonant optical excitation. We identify a regime where the interplay of exciton-exciton and pair polariton scattering can lead…

Other Condensed Matter · Physics 2015-05-13 M. Maragkou , A. J. D. Grundy , E. Wertz , A. Lemaitre , I. Sagnes , P. Senellart , J. Bloch , P. G. Lagoudakis

We theoretically investigate the scattering process of Bogoliubov excitations on a rotating photon-fluid. Using the language of Noether currents we demonstrate the occurrence of a resonant amplification phenomenon, which reduces to the…

General Relativity and Quantum Cosmology · Physics 2019-07-24 Angus Prain , Calum Maitland , Daniele Faccio , Francesco Marino

We propose a method to enhance the spatial coupling between ballistic exciton-polariton condensates in a semiconductor microcavity based on available spatial light modulator technologies. Our method, verified by numerically solving a…

Quantum Gases · Physics 2022-12-28 Yuan Wang , Pavlos G. Lagoudakis , Helgi Sigurdsson
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