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We inspect different quantum optical setups from the viewpoint of entanglement generation and detection. As a first step we consider a planar semiconductor microcavity and optimize the Bell-type correlations and their robustness against…

Quantum Physics · Physics 2017-11-22 D. Pagel , H. Fehske

Cavity optomechanics, providing an inherently nonlinear interaction between photons and phonons, have shown enomerous potential in generating macroscopic quantum entanglement. Here we propose to realize diverse bipartite and tripartite…

Quantum Physics · Physics 2025-10-29 Qin-Geng Chen , Ming-Yue Liu , Xian-Xian Huang , Jiaojiao Chen , Wei Xiong

The rapid development of high-Q macroscopic mechanical resonators has enabled great advances in optomechanics. Further improvements could allow for quantum-limited or quantum-enhanced applications at ambient temperature. Some of the…

Optics · Physics 2022-09-30 Jingkun Guo , Simon Gröblacher

We propose a method to entangle two distant vibrating microsize mirrors (i.e., mechanical oscillators) in a cavity optomechanical system. In this scheme, we discuss both the resonant and large-detuning conditions, and show that the…

Quantum Physics · Physics 2017-03-01 Zhi-Rong Zhong , Xin Wang , Wei Qin , Chui-Ping Yang , Adam Miranowicz , Franco Nori

Inspired by the discrete-variable pairwise entanglement, in this work, we in theory analyze the continuous-variable pairwise entanglement between microwave modes based on a hybrid optoelectromechanical system, where the multi-pair microwave…

Quantum Physics · Physics 2020-04-02 Qi-Zhi Cai , Jin-Kun Liao , Qiang Zhou

In quantum illumination entangled light is employed to enhance the detection accuracy of an object when compared with the best classical protocol. On the other hand, cloaking is a stealth technology based on covering a target with a…

Quantum Physics · Physics 2020-01-06 U. Las Heras , R. Di Candia , K. G. Fedorov , F. Deppe , M. Sanz , E. Solano

Quantum optomechanical system serves as an interface for coupling between photons and phonons due to mechanical oscillations. We used the Heisenberg-Langevin approach under Markovian white noise approximation to study a quadratically…

Quantum Physics · Physics 2015-06-26 Shailendra Kumar Singh , S. V. Muniandy

Engineering atom-atom interactions is essential both for controlling novel phases of matter and for efficient preparation of many-body entangled states, which are key resources in quantum communication, computation, and metrology. In this…

Quantum Physics · Physics 2025-03-11 Sankalp Sharma , Jan Chwedeńczuk , Tomasz Wasak

Molecular cavity optomechanics (COM), characterized by remarkably efficient optomechanical coupling enabled by a highly localized light field and ultra-small effective mode volume, holds significant promise for advancing applications in…

Optics · Physics 2025-02-11 Bin Yin , Jie Wang , Mei-Yu Peng , Qian Zhang , Deng Wang , Tian-Xiang Lu , Ke Wei , Hui Jing

Cooling and Entanglement in optomechanical systems coupled through radiation pressure and photothermal force is studied. To develop the photothermal model, we derive an expression for deformation constant of the force. Exploiting linearized…

Quantum Physics · Physics 2013-02-15 Mehdi Abdi , Ali Reza Bahrampour

Output entanglement is a key element in quantum information processing. Here, we show how to obtain optimal entanglement between two filtered output fields in a three-mode optomechanical system. First, we obtain the key analytical…

Quantum Physics · Physics 2019-08-14 Xiao-Bo Yan , Zhi-Jiao Deng , Xue-Dong Tian , Jin-Hui Wu

The present paper illustrates the realization of an atom-optomechanical system where an atomic ensemble is confined in a ring optomechanical cavity consisting of a fixed mirror and two movable ones. An analysis of the dynamics and the…

Quantum Physics · Physics 2022-09-28 Oumayma El Bir , Morad El Baz

For cavity-assisted optomechanical cooling experiments, it has been shown in the literature that the cavity bandwidth needs to be smaller than the mechanical frequency in order to achieve the quantum ground state of the mechanical…

Quantum Physics · Physics 2015-05-18 Haixing Miao , Stefan Danilishin , Helge Mueller-Ebhardt , Yanbei Chen

Optomechanical cooling is a prerequisite for many exotic applications promised by modern quantum technology and it is crucial to achieve it in short times, in order to minimize the undesirable effects of the environment. We formulate cavity…

Quantum Physics · Physics 2016-09-09 Dionisis Stefanatos

Coherent quantum oscillators are basic physical systems both in quantum statistical physics and quantum thermodynamics. Their realizations in lab often involve solid-state devices sensitive to changes in ambient temperature. We represent…

Quantum Physics · Physics 2019-08-13 Michal Kolář , Artem Ryabov , Radim Filip

We propose a coherent-control scheme for engineering quantum correlations in a cavity optomechanical (COM) system consisting of a driven optical cavity with an embedded nonlinear medium and a membrane, assisted by a coherent feedback loop.…

Quantum Physics · Physics 2026-04-21 Jinhao Jia , Yingru Li , Ran Liang , Mei Zhang

Efficient switching and routing of photons of different wavelengths is a requirement for realizing a quantum internet. Multimode optomechanical systems can solve this technological challenge and enable studies of fundamental science…

Optics · Physics 2020-06-02 David P. Lake , Matthew Mitchell , Barry C. Sanders , Paul E. Barclay

We propose and investigate a hybrid optomechanical system consisting of a micro-mechanical oscillator coupled to the internal states of a distant ensemble of atoms. The interaction between the systems is mediated by a light field which…

Quantum Physics · Physics 2015-04-28 B. Vogell , T. Kampschulte , M. T. Rakher , A. Faber , P. Treutlein , K. Hammerer , P. Zoller

We address the dynamical bipartite entanglement in an opto-electro-mechanical system that involves a three-level atom. The system consists of a degenerate three-level atom, a mechanical resonator, an optical cavity, and a microwave cavity.…

We study the steady-state photon statistics of a quadratically coupled optomechanical cavity, which is weakly driven by a monochromatic laser field. We examine the photon blockade by evaluating the second-order correlation function of the…

Quantum Physics · Physics 2013-08-30 Jie-Qiao Liao , Franco Nori