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We theoretically designed and experimentally demonstrated a mechanism to protect a spatially segregated mixed light-matter state, known as intercavity exciton-polariton in strongly coupled optical cavities. This excitation, shared across…

Polaritons enable the resonant coupling of excitons and photons to vibrations in the application-relevant super high frequency (SHF, 3-30 GHz) domain. We introduce a novel platform for coherent optomechanics based on the coupling of…

Applied Physics · Physics 2021-04-28 Alexander S. Kuznetsov , Diego H. O. Machado , Klaus Biermann , Paulo V. Santos

Cavity exciton--polaritons are quasiparticles that form when quantum well excitons hybridize with a cavity mode. Here, we carry out photon correlation measurements under continuous wave resonant laser excitation to demonstrate quantum…

We explore the possibility to entangle an excitonic two-level system in a semiconductor quantum dot (QD) with a cavity defined on a photonic crystal by sweeping the cavity frequency across its resonance with the exciton transition. The…

Mesoscale and Nanoscale Physics · Physics 2014-01-28 Ralf Blattmann , Hubert Krenner , Sigmund Kohler , Peter Hänggi

We demonstrate the potential of quantum operation using lattices of exciton-polaritons in patterned semiconductor microcavities. By introducing an inverse four-wave mixing scheme acting on localized modes, we show that it is possible to…

Mesoscale and Nanoscale Physics · Physics 2018-01-17 T. C. H. Liew , Y. G. Rubo

Multimode optomechanical systems are an emerging platform for studying fundamental aspects of matter near the quantum ground state and are useful in sensitive sensing and measurement applications. We study optomechanical cooling in a system…

Mesoscale and Nanoscale Physics · Physics 2019-02-20 C. F. Ockeloen-Korppi , M. F. Gely , E. Damskägg , M. Jenkins , G. A. Steele , M. A. Sillanpää

We present a comprehensive theoretical description of quantum well exciton-polaritons imbedded in a planar semiconductor microcavity. The exact non-local dielectric response of the quantum well exciton is treated in detail. The 4-spinor…

Mesoscale and Nanoscale Physics · Physics 2019-08-17 Gu Xu , Dingzhou Li , Bingshen Wang , Zhao-bin Su

We study theoretically interaction of optically-pumped excitons with acoustic waves in planar semiconductor nanostructures in the strongly nonlinear regime. We start with the multimode optomechanical lasing regime for optical pump frequency…

Mesoscale and Nanoscale Physics · Physics 2022-05-11 Alexey V. Yulin , Alexander V. Poshakinskiy , Alexander N. Poddubny

We present a scheme to entangle the vibrational phonon modes of two massive ferromagnetic spheres in a dual-cavity magnomechanical system. In each cavity, a microwave cavity mode couples to a magnon mode (spin wave) via the magnetic dipole…

Quantum Physics · Physics 2021-02-19 Jie Li , Simon Gröblacher

Coupling of quantum emitters in a semiconductor relies, generally, on short-range dipole-dipole or electronic exchange type interactions. Consistently, energy transfer between exciton states, that is, electron-hole pairs bound by Coulomb…

Mesoscale and Nanoscale Physics · Physics 2024-09-17 Maciej Ściesiek , Krzysztof Sawicki , Wojciech Pacuski , Kamil Sobczak , Tomasz Kazimierczuk , Andrzej Golnik , Jan Suffczyński

We study theoretically the photon statistics of the field emitted from two optically coupled semiconductor microcavities each containing a quantum well. The emission is determined by the interplay between exciton-photon coupling in each…

Mesoscale and Nanoscale Physics · Physics 2018-08-15 Shahnoor Ali , Aranya B Bhattacherjee

A novel approach for the control of exciton-exciton Coulomb coupling in semiconductor macroatoms/molecules is proposed. We show that by applying properly tailored external fields, we can induce ---or significantly reinforce--- excitonic…

Mesoscale and Nanoscale Physics · Physics 2009-11-07 I. D'Amico , F. Rossi

In this work, we investigate quantum entanglement and work extraction in two distinct optomechanical systems. The first system consists of two spatially separated Fabry-P\'erot cavities driven by squeezed light in the resolved-sideband…

Quantum Physics · Physics 2025-06-25 Hamza Harraf , M'bark Amghar , Wiam Kaydi , Mohamed Amazioug , Rachid Ahl Laamara

We describe exciton-polariton modes formed by the interaction between excitons in a 2D layer of a transition metal dichalcogenide embedded in a cylindrical microcavity and the microcavity photons. For this, an expression for the excitonic…

Mesoscale and Nanoscale Physics · Physics 2020-04-22 José Nuno S. Gomes , Carlos Trallero-Giner , Nuno M. R. Peres , Mikhail I. Vasilevskiy

We propose here a setup to generate and evaluate the entanglement between two mechanical resonators in a cavity optomechanical setting. As in previous proposals, our scheme includes two driving pumps allowing for the generation of two-mode…

Mesoscale and Nanoscale Physics · Physics 2017-06-21 F. Massel

We show that the optomechanical coupling between an optical cavity mode and the two movable cavity end mirrors is able to entangle two different macroscopic oscillation modes of the mirrors. This continuous variable entanglement is…

Quantum Physics · Physics 2009-11-07 Stefano Mancini , David Vitali , Vittorio Giovannetti , Paolo Tombesi

Quantum entanglement is a crucial resource for a wide variety of quantum technologies. However, the current state-of-art methods to generate quantum entanglement in optomechanical systems are not as efficient as all-optical methods…

We study cavity-mediated interactions that are generated in a two-dimensional two-band Hubbard model coupled to an optical cavity, when it is driven in-gap by a strong laser. Starting from a Floquet description of the driven system, we…

Quantum Physics · Physics 2024-03-19 Xiao Wang , Dieter Jaksch , Frank Schlawin

We show that a quasi-two dimensional condensate of optically active excitons emits coherent light even in the absence of population inversion. This allows an unambiguous and clear experimental detection of the condensed phase. We prove…

Condensed Matter · Physics 2015-06-25 J. Fernandez-Rossier , C. Tejedor , R. Merlin

We systematically study the influence of amplitude modulation on the steady-state bosonic squeezing and entanglement in a dissipative three-mode optomechanical system, where a vibrational mode of the membrane is coupled to the left and…

Quantum Physics · Physics 2018-05-15 Chang-Geng Liao , Hong Xie , Xiao Shang , Zhi-Hua Chen , Xiu-Min Lin
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