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We propose an approach to generate strong quantum entanglement by the controllable four wave mixing mechanism in a single cavity, weak coupling optomechanical system. The optomechanical system is driven by a strong two tone pump field and a…

Quantum Physics · Physics 2019-11-27 Xiang You , Yongmin Li

A complex quantum system can be constructed by coupling simple quantum elements to one another. For example, trapped-ion or superconducting quantum bits may be coupled by Coulomb interactions, mediated by the exchange of virtual photons.…

Optomechanical systems are a promising candidate for the implementation of quantum interfaces for storing and redistributing quantum information. Here we focus on the case of a high-finesse optical cavity with a thin vibrating…

Quantum Physics · Physics 2015-05-20 M. Karuza , C. Biancofiore , M. Galassi , R. Natali , G. Di Giuseppe , P. Tombesi , D. Vitali

We analyze an optomechanical system formed by a mechanical mode and the two optical modes of an optomechanical cavity for the realization of a strongly quantum correlated three-mode system. We show that the steady state of the system shows…

Quantum Physics · Physics 2014-04-29 Neha Aggarwal , Kamanasish Debnath , Sonam Mahajan , Aranya B. Bhattacherjee , Man Mohan

Macroscopic entanglement, as a critical quantum resource in quantum information science, has been extensively studied in coherent optomechanics over the past decades. However, entanglement in dissipative optomechanics, where the cavity…

Quantum Physics · Physics 2025-07-02 Jiaojiao Chen , Wei Xiong , Dong Wang , Liu Ye

Quantum entanglement is a fundamental phenomenon in quantum information science and a crucial resource for quantum technologies such as precision sensing, secure communication, and computation. In hybrid cavity magno-optomechanical systems,…

Quantum Physics · Physics 2025-10-06 Muhib Ullah , Muhammad Idrees , Said Mikki

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 rigorous resource framework of quantum coherence has been set up recently and excited a wide variety of interests. Here we show that a quantum cavity optomechanical system, as an emerging platform, can behave with a certain value of…

Quantum Physics · Physics 2016-12-21 Qiang Zheng , Jianwei Xu , Yao Yao , Yong Li

We propose an effective approach for generating highly pure and strong cavity-mechanical entanglement (or optical-microwave entanglement) in a hybrid modulated three-mode optomechanical system. By applying two-tone driving to the cavity and…

Quantum Physics · Physics 2018-04-12 Chang-Geng Liao , Rong-Xin Chen , Hong Xie , Xiu-Min Lin

In this article, we formulate the generation of optomechanical entanglement between the linearly coupled cavity field and the mechanical resonator as an optimal control problem in hyperbolic space $H^3$, with control input the coupling rate…

Quantum Physics · Physics 2018-04-17 Dionisis Stefanatos

No experimental evidence of the quantum nature of gravity has been observed yet and a realistic setup with improved sensitivity is eagerly awaited. We find two effects, which can substantially enhance the signal of gravity-induced quantum…

General Relativity and Quantum Cosmology · Physics 2023-12-11 Youka Kaku , Tomohiro Fujita , Akira Matsumura

We review the quantum theory of cooling of a mechanical oscillator subject to the radiation pressure force due to light circulating inside a driven optical cavity. Such optomechanical setups have been used recently in a series of…

Quantum Physics · Physics 2009-11-13 Florian Marquardt , A. A. Clerk , S. M. Girvin

We study optomechanical entanglement between an optical cavity field and a movable mirror coupled to a non-Markovian environment. The non-Markovian quantum state diffusion (NMQSD) approach and the non-Markovian master equation are shown to…

Quantum Physics · Physics 2016-07-22 Qingxia Mu , Xinyu Zhao , Ting Yu

The optomechanical cavity (OMC) system has been a paradigm in the manifestation of continuous variable quantum information over the past decade. This paper investigates how quantum phase synchronization relates to bipartite Gaussian…

Quantum Physics · Physics 2026-05-11 Joy Ghosh , Souvik Mondal , Shailendra K. Varshney , kapil Debnath

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 consider a generic optomechanical system, consisting of a driven optical cavity and a movable mirror attached to a cantilever. Systems of this kind (and analogues) have been realized in many recent experiments. It is well known that…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Max Ludwig , Björn Kubala , Florian Marquardt

We present a quantum theory for a fully coupled hybrid optomechanical system where all mutual couplings between a two-level atom, a confined photon mode and a mechanical oscillator mode are considered. In such a configuration, new quantum…

Quantum Physics · Physics 2017-03-01 Juan Restrepo , Ivan Favero , Cristiano Ciuti

We review the field of cavity optomechanics, which explores the interaction between electromagnetic radiation and nano- or micromechanical motion. This review covers the basics of optical cavities and mechanical resonators, their mutual…

Mesoscale and Nanoscale Physics · Physics 2015-01-05 Markus Aspelmeyer , Tobias J. Kippenberg , Florian Marquardt

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

Quantum correlations are interesting resources for modern quantum technologies such as quantum information processing, quantum communication, quantum teleportation, and quantum computation tasks. However, engineering these quantum states…