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We theoretically analyze three-mode opto-acoustic parametric interactions in a coupled Fabry-Perot cavity, where one acoustic mode interacts with two optical modes. We show explicitly that extra degrees of freedom in a coupled cavity allow…

Optics · Physics 2009-11-13 H. Miao , C. Zhao , L. Ju , S. Gras , P. Barriga , Z. Zhang , D. G. Blair

Optomechanical coupling between the motion of a mechanical oscillator and a cavity represents a new arena for experimental investigation of quantum effects on the mesoscopic and macroscopic scale.The motional sidebands of the output of a…

Quantum Physics · Physics 2017-10-26 E. B. Aranas , P. G. Z. Fonseca , P. F. Barker , T. S. Monteiro

Cavity optomechanical phenomena, such as cooling, amplification or optomechanically induced transparency, emerge due to a strong imbalance in the dissipation rates of the parametrically coupled electromagnetic and mechanical resonators.…

Quantum Physics · Physics 2014-07-29 A. Nunnenkamp , V. Sudhir , A. K. Feofanov , A. Roulet , T. J. Kippenberg

Ground-state cooling of mesoscopic mechanical resonators is a fundamental requirement for test of quantum theory and for implementation of quantum information. We analyze the cavity optomechanical cooling limits in the intermediate coupling…

Optics · Physics 2015-06-22 Yong-Chun Liu , Rui-Shan Liu , Chun-Hua Dong , Yan Li , Qihuang Gong , Yun-Feng Xiao

Preparing a massive mechanical resonator in a state with quantum limited motional energy provides a promising platform for studying fundamental physics with macroscopic systems and allows to realize a variety of applications, including…

Quantum Physics · Physics 2023-08-08 Jingkun Guo , Jin Chang , Xiong Yao , Simon Gröblacher

In this paper we study cavity optomechanical systems in which the position of a mechanical oscillator modulates both the resonance frequency (dispersive coupling) and the linewidth (dissipative coupling) of a cavity mode. Using a quantum…

Quantum Physics · Physics 2013-05-21 Talitha Weiss , Christoph Bruder , Andreas Nunnenkamp

Optomechanics is a prime example of light matter interaction, where photons directly couple to phonons, allowing to precisely control and measure the state of a mechanical object. This makes it a very appealing platform for testing…

Autonomous quantum thermal machines are particularly suited to understand how correlations between thermal baths, a load, and a thermal machine affect the overall thermodynamic functioning of the setup. Here, we show that by tuning the…

Quantum Physics · Physics 2025-06-23 Gauthameshwar S. , Noufal Jaseem , Dario Poletti

We solve the Lindblad master equation for the quantum state of a pumped optomechanical system coupled to a thermal bath. We show that when the microwave pump field frequency is on the red sideband of the cavity resonance, the exact form of…

Quantum Physics · Physics 2025-04-14 Paul R. B. Hughes , Marc M. Dignam

Cooling a mechanical mode to its motional ground state opens up avenues for both scientific and technological advancements in the field of quantum meteorology and information processing. We propose a multi-parameter optimization scheme for…

Quantum Physics · Physics 2022-07-19 Neelesh Kumar Vij , Meenakshi Khosla , Shilpi Gupta

The quantum dynamics of the coupling between a cavity optical field and a resonator microwave field via the electro-optic effect is studied. This coupling has the same form as the opto-mechanical coupling via radiation pressure, so all…

Quantum Physics · Physics 2010-07-02 Mankei Tsang

We study the ground-state cooling of a mechanical oscillator linearly coupled to the charge of a quantum dot inserted between a normal metal and a superconducting contact. Such a system can be realized, e.g., by a suspended carbon nanotube…

Mesoscale and Nanoscale Physics · Physics 2016-11-04 Pascal Stadler , Wolfgang Belzig , Gianluca Rastelli

We consider a hybrid optomechanical system which is composed of the atomic ensemble and a standard optomechanical cavity driven by the periodically modulated external laser field. We investigate the asymptotic behaviors of Heisenberg…

Quantum Physics · Physics 2019-07-24 Cheng-Hua Bai , Dong-Yang Wang , Shou Zhang , Shutian Liu , Hong-Fu Wang

Cooling a mesoscopic mechanical oscillator to its quantum ground state is elementary for the preparation and control of low entropy quantum states of large scale objects. Here, we pre-cool a 70-MHz micromechanical silica oscillator to an…

We perform a theoretical study on quantum correlations in an optomechanical system where the mechanical mirror is perturbatively coupled to an auxiliary qubit. In our study, we consider logarithmic negativity to quantify the degree of…

Quantum Physics · Physics 2018-03-07 Subhadeep Chakraborty , Amarendra Kumar Sarma

We trap neutral Cs atoms in a two-dimensional optical lattice and cool them close to the zero-point of motion by resolved-sideband Raman cooling. Sideband cooling occurs via transitions between the vibrational manifolds associated with a…

Quantum Physics · Physics 2009-10-31 S. E. Hamann , D. L. Haycock , G. Klose , P. H. Pax , I. H. Deutsch , P. S. Jessen

We investigate the effect of a degenerate optical parametric amplifier (OPA) placed inside an optomechanical cavity on the steady-state entanglement of two cavity modes, which jointly interact with a mechanical resonator. Two cavity modes…

Quantum Physics · Physics 2017-03-31 Rong-Guo Yang , Ni Li , Jing Zhang , Jie Li , Tian-Cai Zhang

We propose to realize microwave quantum illumination in weak coupling regime based on multimode optomechanical systems. In our proposal the multimode together with a frequency-mismatch process could reduce mechanical thermal noise.…

Quantum Physics · Physics 2017-01-24 Wen-Juan Yang , Xiang-Bin Wang

We consider a simple cavity optomechanics and study the ground-state cooling of mechanical resonator in the quantum regime. Using the effective master equations in the linear regime, the equations of motion can be obtained for the second…

Quantum Physics · Physics 2018-09-05 Saud Al-Awfi , Mohannad Al-Hmoud , Smail Bougouffa

We propose a theoretical scheme to generate nonreciprocal bipartite entanglement between a cavity mode and vibrational modes in a molecular cavity optomechanical system. Our system consists of $\mathcal{N}$ molecules placed inside a…

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