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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

Lead halide perovskites have emerged as platforms for exciton-polaritonic studies at room temperature thanks to their excellent photoluminescence efficiency and synthetic versatility. In this work we find proof of strong exciton-photon…

Materials Science · Physics 2024-05-07 Maximilian Black , Mehdi Asadi , Parsa Darman , Finja Schillmöller , Sara Darbari , Nahid Talebi

Polaritons are unique hybrid light-matter states that offer an alternative way to manipulate chemical processes and change material properties. In this work we theoretically demonstrate that singlet fission dynamics can be accelerated under…

Chemical Physics · Physics 2021-10-06 Clàudia Climent , David Casanova , Johannes Feist , Francisco J. García-Vidal

Multi-particle correlations of exciton-polaritons and reservoir-excitons in the strong light-matter coupling regime dictate the quantum dynamics of optical microcavities. In this letter, we examine the many-body exciton-polariton dynamics…

Light-matter coupling in a planar optical cavity substantially modifies the transport regimes in the system in presence of a short range excitonic disorder. Basing on Master equation for a resonantly coupled exciton-photon system, and…

Materials Science · Physics 2023-10-12 A. N. Osipov , I. V. Iorsh , A. V. Yulin , I. A. Shelykh

Optically inactive (dark) intervalley momentum-forbidden excitons are characterized by relatively long life time, and therefore are desirable candidates for realizing collective excitonic phases. However, testing their coherence by light…

Mesoscale and Nanoscale Physics · Physics 2025-08-19 Adham Alkady , Victor Fleurov , Anatoly Kuklov

Polaritons, in particular microcavity exciton-polaritons, have attracted much attention in recent years, as the phenomena of Bose-Einstein condensation and superfluidity have been observed for these quasiparticles. While the basic physics…

Quantum Gases · Physics 2015-09-07 David Snoke

Exciton-polariton condensates is an important type of Bose-Einstein condensate whose realization requires efficient relaxation of polaritons to the band-energy minima. However, this process is often obstructed by bottleneck effect near the…

Optics · Physics 2026-05-25 Jiaru Zhou , Wenze Lan , Hao Li , Yu Hua , Peng Fu , Geng Li , Xiaofeng Fan , Changzhi Gu , Baoli Liu

Exciton-polaritons in semiconductor microcavities generate fascinating effects such as long-range spatial coherence and Bose-Einstein Condensation (BEC), which are attractive for their potential use in low threshold lasers, vortices and…

Mesoscale and Nanoscale Physics · Physics 2017-09-27 Shuai Zhang , Qiuyu Shang , Wenna Du , Jia Shi , Yang Mi , Jie Chen , Zhiyong Wu , Yuanzheng Li , Mei Liu , Qing Zhang , Xinfeng Liu

We propose a new type of spatially periodic structure, i.e. polaritonic crystal (PolC), to observe a "slow"/"stopped" light phenomenon due to coupled atom-field states (polaritons) in a lattice. Under the tightbinding approximation, such a…

Quantum Gases · Physics 2015-05-18 A. P. Alodjants , I. O. Barinov , S. M. Arakelian

A quantum dot strongly coupled to a photonic crystal has been recently proposed as a source of entangled photon pairs [R. Johne et al., Phys. Rev. Lett. 100, 240404 (2008)]. The biexction decay via intermediate polariton states can be used…

Quantum Physics · Physics 2015-05-13 Robert Johne , Nikolay A. Gippius , Guillaume Malpuech

We present a theoretical model that allows us to describe the dynamics of exciton polaritons in the strong-coupling regime in a monolayer WS2 based semiconductor microcavity. Numerical simulations using Boltzmann equations give an overall…

Mesoscale and Nanoscale Physics · Physics 2018-06-12 Mohamed Herira , Hela Boustanji , Sihem Jaziri

Strong light-matter interactions in both the single-emitter and collective strong coupling regimes attract significant attention due to emerging quantum and nonlinear optics applications, as well as opportunities for modifying…

Mesoscale and Nanoscale Physics · Physics 2019-09-11 Tuomas P. Rossi , Timur Shegai , Paul Erhart , Tomasz J. Antosiewicz

Achieving electrical injection of exciton-polaritons, half-light, half-matter quasiparticles arising from the strong coupling between photonic and excitonic resonances, is a crucial milestone to scale up polaritonic devices such as optical…

Optics · Physics 2022-09-14 Yutao Wang , Jingyi Tian , Maciej Klein , Giorgio Adamo , Son Tung Ha , Cesare Soci

We examine the photoluminescence of highly-excited exciton-polariton condensates in semiconductor microcavities. Under strong pumping, exciton-polariton condensates have been observed to undergo a lasing transition where strong coupling…

Mesoscale and Nanoscale Physics · Physics 2015-06-17 Natsuko Ishida , Tim Byrnes , Tomoyuki Horikiri , Franco Nori , Yoshihisa Yamamoto

Thin films of high-refractive-index excitonic materials enable self-coupling by simultaneously supporting intrinsic excitonic transitions and optical resonances. These optical resonances take the form of Fabry-Perot resonances in thick…

We use a recently derived gauge-invariant formulation of the problem of a two-level system coupled to an optical cavity, to explore the transition between the weak, and the ultra-strong coupling regimes of light-matter interaction. We…

The two-dimensional transition-metal dichalcogenides (2D TMDCs) are an intriguing platform for studying light-matter interactions because they combine the electronic properties of conventional semiconductors with the optical resonances…

Mesoscale and Nanoscale Physics · Physics 2022-05-02 Aaron H. Rose , Taylor J. Aubry , Hanyu Zhang , Jao van de Lagemaat

We investigate the interaction of excitons in a two dimensional lattice and photons in a planar cavity in the presence of disorder. The strong exciton-photon coupling is described in terms of polariton quasi-particles, which are scattered…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Michal Grochol , Carlo Piermarocchi

Polaritons, formed as a result of strong hybridization of matter with light, are promising for important applications including organic solar cells, optical logic gates, and qubits. Owing to large binding energies of Frenkel excitons…