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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

A novel, optimized numerical method of modeling of an exciton-polariton superfluid in a semiconductor microcavity was proposed. Exciton-polaritons are spin-carrying quasiparticles formed from photons strongly coupled to excitons. They…

Quantum Gases · Physics 2017-04-26 Oksana Voronych , Adam Buraczewski , Michał Matuszewski , Magdalena Stobińska

We theoretically investigate a spinor polariton condensate under nonresonant pumping, based on driven-dissipative Gross-Pitaevskii equations coupled to the rate equation of a spin-unpolarized reservoir. We find the homogeneous polariton…

Quantum Gases · Physics 2017-10-25 Xingran Xu , Ying Hu , Zhidong Zhang , Zhaoxin Liang

Exciton-polaritons are hybrid light-matter states that arise from strong coupling between an exciton resonance and a photonic cavity mode. As bosonic excitations, they can undergo a phase transition to a condensed state that can emit…

Exciton-polaritons can condense to a macroscopic quantum state through a non-equilibrium process of pumping and decay. In recent experiments, polariton condensates are used to observe, for a short time, nonlinear Josephson phenomena by…

Quantum Physics · Physics 2015-01-22 Jiun-Yi Lien , Yueh-Nan Chen , Natsuko Ishida , Hong-Bin Chen , Chi-Chuan Hwang , Franco Nori

Exciton-polaritons are composite bosonic quasiparticles arising from the strong coupling of excitonic transitions and optical modes. Exciton-polaritons have triggered wide exploration in the past decades not only due to their rich quantum…

Exciton-polaritons (EP), half-light half-matter quasiparticles that form in optical cavities, are attractive platforms for creating macroscopic coherent states like BECs. EPs based on organic molecules are of particular interest for…

We consider the scenario of excitons in a semiconductor bilayer that are strongly coupled to cavity photons, leading to the formation of dipolar exciton polaritons (dipolaritons). Using a realistic pseudopotential for the dipolar…

Mesoscale and Nanoscale Physics · Physics 2026-02-27 Yasufumi Nakano , Olivier Bleu , Brendan C. Mulkerin , Jesper Levinsen , Meera M. Parish

We perform Young's double-slit experiment to study the spatial coherence properties of a two-dimensional dynamic condensate of semiconductor microcavity polaritons. The coherence length of the system is measured as a function of the pump…

Mesoscale and Nanoscale Physics · Physics 2007-09-18 Hui Deng , Glenn S. Solomon , Rudolf Hey , Klaus H. Ploog , Yoshihisa Yamamoto

We demonstrate the spatial confinement of electronic excitations in a solid state system, within novel artificial structures that can be designed having arbitrary dimensionality and shape. The excitations under study are exciton-polaritons…

We demonstrate, both experimentally and theoretically, a new phenomenon: the presence of dissipative coupling in the system of driven bosons. This is evidenced for a particular case of externally excited spots of exciton-polariton…

Other Condensed Matter · Physics 2017-09-25 H. Ohadi , R. L. Gregory , T. Freegarde , Y. G. Rubo , A. V. Kavokin , P. G. Lagoudakis

Polaritons, arising from the strong coupling between excitons and photons within microcavities, hold promise for optoelectronic and all-optical devices. They have found applications in various domains, including low-threshold lasers and…

We report the calculation of cavity exciton-polariton phase diagram which takes into account the presence of realistic structural disorder. Polaritons are modelled as weakly interacting two-dimensional bosons. We show that with increasing…

Materials Science · Physics 2007-07-23 G. Malpuech , D. D. Solnyshkov , H. Ouerdane , M. M. Glazov , I. Shelykh

Manipulating strong light-matter interaction in semiconductor microcavities is crucial for developing high-performance exciton polariton devices with great potentials in next-generation all-solid state quantum technologies. In this work, we…

Mesoscale and Nanoscale Physics · Physics 2018-08-01 Qiuyu Shang , Shuai Zhang , Jie Chen , Pengfei Yang , Wei Li , Yanfeng Zhang , Qihua Xiong , Xinfeng Liu , Qing Zhang

Exciton-polaritons in a microcavity are composite two-dimensional bosonic quasiparticles, arising from the strong coupling between confined light modes in a resonant planar optical cavity and excitonic transitions, typically using excitons…

Recently a new type of system exhibiting spontaneous coherence has emerged -- the exciton-polariton condensate. Exciton-polaritons (or polaritons for short) are bosonic quasiparticles that exist inside semiconductor microcavities,…

Quantum Gases · Physics 2015-06-23 Tim Byrnes , Na Young Kim , Yoshihisa Yamamoto

We demonstrate that the synchronization of a lattice of solid-state condensates when inter-site tunnelling is switched on, depends strongly on the weak local disorder. This finding is vital for implementation of condensate arrays as…

Concentric ring exciton polariton condensates emerging under non-resonant laser pump in an annular trapping potential support persistent circular currents of polaritons. The trapping potential is formed by a cylindrical micropillar etched…

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

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

Plasmonic nanocavities enable the confinement of molecules and electromagnetic fields within nano-metric volumes. As a consequence, the molecules experience a remarkably strong interaction with the electromagnetic field, to such an extent…

Chemical Physics · Physics 2021-09-01 Jacopo Fregoni , Tor S. Haugland , Silvio Pipolo , Tommaso Giovannini , Henrik Koch , Stefano Corni