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The motion of two distant trapped particles or mechanical oscillators can be strongly coupled by light modes in a high finesse optical resonator. In a two mode ring cavity geometry, trapping, cooling and coupling is implemented by the same…

Quantum Physics · Physics 2012-11-29 Wolfgang Niedenzu , Raimar M. Sandner , Claudiu Genes , Helmut Ritsch

The interaction between a high-frequency dilational mode of a thin dielectric film and an optical cavity field is studied theoretically in the membrane-in-the-middle setup. A derivation from first principles leads to a multi-mode…

Mesoscale and Nanoscale Physics · Physics 2015-03-20 K. Borkje , S. M. Girvin

We study the system that two atoms simultaneously interact with a single-mode thermal field via different couplings and different spontaneous emission rates when two-photon process is involved. It is found that we indeed can employ the…

Quantum Physics · Physics 2009-09-29 Y. Q. Guo , L. Zhou , H. S. Song

We perform an analysis of the optomechanical entanglement between the experimentally detectable output field of an optical cavity and a vibrating cavity end-mirror. We show that by a proper choice of the readout (mainly by a proper choice…

Quantum Physics · Physics 2009-11-13 C. Genes , A. Mari , P. Tombesi , D. Vitali

We consider a two-dimensional opto-magnomechanical (OMM) system including two optical cavity modes, a magnon mode, a phonon mode, and a collection of two-level atoms. In this study, we demonstrate the methodology for generating stationary…

Quantum Physics · Physics 2023-12-20 Ke Di , Xi Wang , Huarong Xia , Yinxue Zhao , Anyu Cheng , Yu Liu , Jiajia Du

We propose that the optomechanical systems can be potential platforms to implement the Fr\"{o}hlich condensate of phonons. We consider a one-dimensional array of membranes coupled to the cavity field via a quadratic interaction, and the…

Quantum Physics · Physics 2021-10-27 Xu Zheng , Baowen Li

We use a versatile model to evaluate the multipartite entanglement and the nonclassical light generation in optical parametric oscillators, exploring the differences between doubly and triply resonant cavity configurations. We demonstrate…

We show that long-distance steady-state quantum correlations (entanglement) between pairs of cavity-atom systems in an array of lossy and driven coupled resonators can be established and controlled. The maximal of entanglement for any pair…

Quantum Physics · Physics 2015-03-19 Li Dai , Dimitris G. Angelakis , Leong Chuan Kwek , S. Mancini

Continuous-variable (CV) entanglement is a valuable resource in the field of quantum information. One source of CV entanglement is the correlations between the position and momentum of photons in a two-mode squeezed state of light. In this…

Quantum Physics · Physics 2021-02-24 Colin Vendromin , Marc M. Dignam

We investigate theoretically the effect of optical feedback from a cavity containing an ultracold two level atomic ensemble, on the bistable behavior shown by mean intracavity optical field and the ground state cooling effect of the…

Quantum Physics · Physics 2015-03-13 Bijita Sarma , Amarendra K. Sarma

The resonant interaction between two two-level atoms and m- electromagnetic modes in a cavity is considered. Entanglement dynamics between two atoms is examined. In particular we compare dynamical variations for different cavity modes as…

Quantum Physics · Physics 2009-03-24 P. Saha , N. Nayak , A. S. Majumdar

A system of two coupled cavities is studied in the context of bipartite, continuous variable entanglement. One of the cavities is pumped by an external classical source that is coupled quadratically, to the cavity field. Dynamics of…

Quantum Physics · Physics 2015-05-18 S Sivakumar

It is shown that radiation pressure can be profitably used to entangle {\it macroscopic} oscillators like movable mirrors, using present technology. We prove a new sufficient criterion for entanglement and show that the achievable…

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

We report the experimental transformation of quadrature entanglement between two optical beams into continuous variable polarization entanglement. We extend the inseparability criterion proposed by Duan, et al. [Duan00] to polarization…

Quantum Physics · Physics 2009-11-07 Warwick P. Bowen , Nicolas Treps , Roman Schnabel , Ping Koy Lam

A strategy for generating entanglement in two separated optomechanical oscillators is analysed, using entangled radiation produced from downconversion and stored in an initiating cavity. We show that the use of pulsed entanglement with…

Quantum Physics · Physics 2017-07-19 S. Kiesewetter , R. Y. Teh , M. D. Reid , P. D. Drummond

We address an experimental scheme to analyze the optical bistability and the entanglement of two movable mirrors coupled to a two-mode laser inside a doubly resonant cavity. With this aim we investigate the master equations of the…

Quantum Physics · Physics 2019-05-22 Berihu Teklu , Tim Byrnes , Faisal Shah Khan

We demonstrate the control of entanglement in a hybrid optomechanical system comprising an optical cavity with a mechanical end-mirror and an intracavity Bose-Einstein condensate (BEC). Pulsed laser light (tuned within realistic…

Quantum Physics · Physics 2015-03-20 B. Rogers , M. Paternostro , G. M. Palma , G. De Chiara

Exciton optomechanics, bridging cavity exciton polaritons and optomechanics, opens new opportunities for the study of light-matter strong interactions and nonlinearities, due to the rich nonlinear couplings among excitons, phonons, and…

Quantum Physics · Physics 2024-11-06 Xuan Zuo , Zhi-Yuan Fan , Huai-Bing Zhu , Jie Li

We introduce a modification of the standard entanglement swapping protocol where the generation of entanglement between two distant modes is realized and verified using only local optical measurements. We show, indeed, that a simple…

Quantum Physics · Physics 2014-03-03 Mehdi Abdi , Stefano Pirandola , Paolo Tombesi , David Vitali

We examine the entanglement properties of a system that represents two driven microwave cavities each optomechanically coupled to two separate driven optical cavities which are connected by a single-mode optical fiber. The results suggest…

Quantum Physics · Physics 2018-10-17 Samuel R. Hedemann , B. D. Clader