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We provide a systemic theory to entangle excitons with microcavity photons. This is realized by adopting an exciton-optomechanics system and introducing a nonlinear dispersive interaction with a mechanical oscillator. We show that when…

Quantum Physics · Physics 2024-05-01 Xuan Zuo , Zhi-Yuan Fan , Hang Qian , Jie Li

Multi-exciton correlations shape the photo-induced response of nanostructured materials, particularly when interactions are enhanced by light confinement. Here multidimensional coherent spectroscopy is used to quantify biexciton and…

Mesoscale and Nanoscale Physics · Physics 2025-07-11 Giuseppe Fumero , Jagannath Paul , Jared K. Wahlstrand , Alan D. Bristow

We demonstrate room temperature optical trapping and generation of high-order angular harmonics in exciton-polariton condensates in a monocrystalline CsPbBr$_3$ perovskite-filled microcavity. Using an annular nonresonant excitation profile…

Within the framework of the mean-field approximation, a coherently excited two-dimensional system of weakly repulsive bosons is predicted to show a giant loop scattering when the rotational symmetry is reduced. The considered process…

Mesoscale and Nanoscale Physics · Physics 2021-05-19 S. S. Gavrilov

The interplay between strong light-matter interactions and charge doping represents an important frontier in the pursuit of exotic many-body physics and optoelectronics. Here, we consider a simplified model of a two-dimensional…

Mesoscale and Nanoscale Physics · Physics 2021-05-19 Guangyao Li , Olivier Bleu , Meera M. Parish , Jesper Levinsen

Condensation of exciton-polaritons has been recently observed in one-dimensional photonic crystal waveguides, exploiting the interplay of long-lived gap confined eigenmodes and negative mass polariton branches. Here we focus on the…

We study collective dynamics of interacting centers of exciton-polariton condensation in presence of spatial inhomogeneity, as modeled by diatomic active oscillator lattices. The mode formalism is developed and employed to derive existence…

Chaotic Dynamics · Physics 2015-06-22 A. A. Tikhomirov , O. I. Kanakov , B. L. Altshuler , M. V. Ivanchenko

It is shown theoretically that Bose condensation of spin-degenerated exciton-polaritons results in spontaneous buildup of the linear polarization in emission spectra of semiconductor microcavities. The linear polarization degree is a good…

Mesoscale and Nanoscale Physics · Physics 2009-07-09 I. Shelykh , F. P. Laussy , A. V. Kavokin , G. Malpuech

We photo-excite slab polymer waveguides doped with J-aggregating dye molecules and measure the leaky emission from strongly coupled waveguide exciton polariton modes at room temperature. We show that the momentum of the waveguide exciton…

Mesoscale and Nanoscale Physics · Physics 2015-05-28 Tal Ellenbogen , Kenneth B. Crozier

We consider a polariton condensate in a microcavity driven by a bichromatic resonant pump formed by two vortical laser beams carrying different topological charges. The system is additionally confined in a ring-shaped potential. We show…

Mesoscale and Nanoscale Physics · Physics 2019-10-10 Yaroslav V. Kartashov , Dmitry A. Zezyulin

Optical trapping has been proven to be an effective method of separating exciton-polariton condensates from the incoherent high-energy excitonic reservoir located at the pumping laser position. This technique has significantly improved the…

We show that polaritons in an array of interacting micro-cavities with strong atom-photon coupling can form a two-component Bose-Hubbard model. Both polariton species are thereby protected against spontaneous emission as their atomic part…

Quantum Physics · Physics 2015-05-13 Michael J. Hartmann , Fernando G. S. L. Brandao , Martin B. Plenio

Exciton-polaritons are mixed light-matter quasiparticles. We have developed a statistical model describing stochastic exciton-photon transitions within a condensate of exciton polaritons. We show that the exciton-photon correlator depends…

Mesoscale and Nanoscale Physics · Physics 2018-07-10 A. V. Kavokin , A. S. Sheremet , I. A. Shelykh , P. G. Lagoudakis , Y. G. Rubo

We study experimentally the lasing regime of a GaAs based microcavity sample under strong optical pumping. The very same sample exhibits the strong coupling regime at low excitation power with a Rabi splitting as large as 15 meV. We show…

Materials Science · Physics 2009-09-29 Daniele Bajoni , Pascale Senellart , Aristide Lemaître , Jacqueline Bloch

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

Microcavity exciton polariton systems can have a wide range of macroscopic quantum effects that may be turned into better photonic technologies. Polariton Bose-Einstein condensation and photon lasing have been widely accepted in the limits…

Mesoscale and Nanoscale Physics · Physics 2021-02-03 Jiaqi Hu , Zhaorong Wang , Seonghoon Kim , Hui Deng , Sebastian Brodbeck , Christian Schneider , Sven Höfling , Nai H. Kwong , Rolf Binder

Cavity-polaritons in semiconductor photonic structures have emerged as a test bed for exploring non-equilibrium dynamics of quantum fluids in an integrated solid-state device setting. Several recent experiments demonstrated the potential of…

Mesoscale and Nanoscale Physics · Physics 2013-12-04 Benjamin Besga , Cyril Vaneph , Jakob Reichel , Jerome Esteve , Andreas Reinhard , Javier Miguel-Sanchez , Atac Imamoglu , Thomas Volz

We demonstrate single-mode lasing of magnon polaritons in a cavity magnonic system enabled by dissipative coupling between two passive modes, microwave cavity mode and magnon mode in a ferrimagnetic spin ensemble. The cavity mode is…

Optics · Physics 2025-11-25 Zi-Qi Wang , Zi-Yuan Wang , Yi-Pu Wang , J. Q. You

We predict that the transverse electric-magnetic polarization splitting of exciton-polaritons allows a simple technique for the generation of polariton vortices of winding number 2 in semiconductor microcavities. The vortices can be excited…

Mesoscale and Nanoscale Physics · Physics 2015-06-25 T C H Liew , A V Kavokin , I A Shelykh

A methodology for forming a qubit state is essential for quantum applications of room temperature polaritons. While polarization degree of freedom is expected as a possible means for this purpose, the coupling of linearly polarized…

Materials Science · Physics 2023-05-12 Yuta Moriyama , Takaya Inukai , Tsukasa Hirao , Yusuke Ueda , Shun Takahashi , Kenichi Yamashita