English
Related papers

Related papers: Exciton-photon interaction in a quantum dot embedd…

200 papers

We study the dynamics of a quantum dot embedded in a three-dimensional microcavity in the strong coupling regime in which the quantum dot exciton has an energy close to the frequency of a confined cavity mode. Under the continuous pumping…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 J. I. Perea , D. Porras , C. Tejedor

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…

In this work, we study the exciton-polariton condensate phase transition in a microcavity matter-light system in which electron-hole Coulomb interaction and matter-light coupling effects are treated on an equal footing. In the framework of…

Strongly Correlated Electrons · Physics 2017-02-14 Dinh-Hoi Bui , Van-Nham Phan

The spectral properties of one exciton trapped in a self-assembled multi-layered quantum dot is obtained using a high precision variational numerical method. The exciton Hamiltonian includes the effect of the polarization charges, induced…

Quantum Physics · Physics 2014-12-24 Mariano Garagiola , Omar Osenda

For a single semiconductor quantum dot embedded in a microcavity, we theoretically and experimentally investigate phonon-assisted transitions between excitons and the cavity mode. Within the framework of the independent boson model we find…

Mesoscale and Nanoscale Physics · Physics 2009-12-21 Ulrich Hohenester , Arne Laucht , Michael Kaniber , Norman Hauke , Abbas Mohtashami , Marek Seliger , Jonathan J. Finley

In contrast to interband excitons in undoped quantum wells, doped quantum wells do not display sharp resonances due to excitonic bound states. In these systems the effective Coulomb interaction between electrons and holes typically only…

Excitons -- bound electron-hole pairs -- play a central role in light-matter interaction phenomena, and are crucial for wide-ranging applications from light harvesting and generation to quantum information processing. A long-standing…

Mesoscale and Nanoscale Physics · Physics 2023-08-15 Jenny Hu , Etienne Lorchat , Xueqi Chen , Kenji Watanabe , Takashi Taniguchi , Tony F. Heinz , Puneet A. Murthy , Thibault Chervy

Exciton-photon hybridization is typically realised in geometrically defined optical cavities, where tunability is achieved by modifying either the cavity or the excitonic medium. Here we investigate transition-radiation interferences in…

Recent experiments in exciton-polariton systems have provided high-precision measurements of the value of the polariton-polariton interaction constant, which is a key parameter that governs the nonlinear dynamics of polariton condensates…

Mesoscale and Nanoscale Physics · Physics 2021-12-15 Guangyao Li , Meera M. Parish , Jesper Levinsen

Two-dimensional (2D) semiconducting microcavity, where exciton-polaritons can be formed, constitues a promising setup for exploring and manipulating various regimes of light-matter interaction. Here, the coupling between 2D excitons and…

Materials Science · Physics 2021-09-08 Dino Novko , Vito Despoja

Cavities embedded in photonic crystal waveguides offer a promising route towards large scale integration of coupled resonators for quantum electrodynamics applications. In this letter, we demonstrate a strongly coupled system formed by a…

Quantum Physics · Physics 2015-05-18 F. S. F. Brossard , X. L. Xu , D. A. Williams , M. Hadjipanayi , M. Hopkinson , X. Wang , R. A. Taylor

Excitons consist of electrons and holes held together by their attractive Coulomb interaction. Although excitons are neutral excitations, spatial fluctuations in their charge density couple with the ions of the crystal lattice. This…

Materials Science · Physics 2024-01-18 Zhenbang Dai , Chao Lian , Jon Lafuente-Bartolome , Feliciano Giustino

Polariton emission from optical cavities integrated with various luminophores has been extensively studied recently due to the wide variety of possible applications in photonics, particularly promising in terms of fabrication of…

Mesoscale and Nanoscale Physics · Physics 2021-07-28 Dmitriy Dovzhenko , Maksim Lednev , Konstantin Mochalov , Ivan Vaskan , Pavel Samokhvalov , Yury Rakovich , Igor Nabiev

We present a fully atomistic approach to exciton-phonon coupling in semiconductor quantum dots that bridges microscopic electronic-structure calculations with non-Markovian open-quantum-system dynamics. On the example of an InAsP quantum…

Mesoscale and Nanoscale Physics · Physics 2026-02-03 Yasser Saleem , Moritz Cygorek

Excitons are neutral excitations that are composed of electrons and holes bound together by their attractive Coulomb interaction. The electron and the hole forming the exciton also interact with the underlying atomic lattice, and this…

Materials Science · Physics 2024-01-18 Zhenbang Dai , Chao Lian , Jon Lafuente-Bartolome , Feliciano Giustino

In this work, we theoretically investigate the optical orientation and alignment of excitons in quantum dots with weak electron-hole exchange interaction and long exciton radiative lifetimes. This particular regime is realized in…

Mesoscale and Nanoscale Physics · Physics 2023-08-30 D. S. Smirnov , E. L. Ivchenko

Excitons are two-particle correlated bound states that are formed due to Coulomb interaction between single-particle holes and electrons. In the solid-state, cooperative interactions with surrounding quasiparticles can strongly tailor the…

We theoretically predict the interaction between polaritonic excitations arising from the coupling of a cavity photon mode with bound to continuum intersubband transitions in a doped quantum well. The resulting exciton bound by photon…

Other Condensed Matter · Physics 2025-10-29 Miguel S. Oliveira , Cristiano Ciuti

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

Phonon interactions in solid-state photonics systems cause intrinsic quantum decoherence and often present the limiting factor in emerging quantum technology. Due to recent developments in nanophotonics, exciton-cavity structures with very…

Quantum Physics · Physics 2021-01-04 Emil V. Denning , Matias Bundgaard-Nielsen , Jesper Mork