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In this work, we theoretically study the quantum correlations present in an optomechanical system by invoking an additional cross-Kerr coupling between the optical and mechanical mode. Under experimentally achievable conditions, we first…

Optics · Physics 2017-08-02 Subhadeep Chakraborty , Amarendra K. Sarma

In recent development of quantum technologies, a frequency conversion of quantum signals has been studied widely. We investigate the optic-microwave entanglement that is generated by applying an electro-optomechanical frequency conversion…

Quantum Physics · Physics 2021-03-04 Yonggi Jo , Su-Yong Lee , Yong Sup Ihn , Dongkyu Kim , Zaeill Kim , Duk Y. Kim

We propose a simple method to generate quantum entanglement between two macroscopic mechanical resonators in a two-cavity optomechanical system. This entanglement is induced by the radiation pressure of a single photon hopping between the…

Quantum Physics · Physics 2014-01-14 Jie-Qiao Liao , Qin-Qin Wu , Franco Nori

Quantum entanglement is an interesting resource for modern quantum technologies, where generating multiple quantum entanglement is highly required. However, entanglement engineering between multiple modes is strongly suppressed by dark mode…

Quantum Physics · Physics 2026-02-17 E. Kongkui Berinyuy , P. Djorwé , A. N. Al-Ahmadi , H. Ardah , A. -H. Abdel-Aty

We propose how to achieve significantly enhanced quantum refrigeration and entanglement by coupling a pumped auxiliary cavity to an optomechanical cavity. We obtain both analytical and numerical results, and find optimal-refrigeration and…

Quantum Physics · Physics 2021-11-03 Deng-Gao Lai , Wei Qin , Bang-Pin Hou , Adam Miranowicz , Franco Nori

Motivated by entanglement protection, our work utilizes a resonance effect to enhance optomechanical entanglement in the coherent-state representation. We propose a filtering model to filter out the significant detuning components between a…

Quantum Physics · Physics 2024-05-14 Cheng Shang , Hongchao Li

The search for experimental demonstrations of the quantum behavior of macroscopic mechanical resonators is a fastly growing field of investigation and recent results suggest that the generation of quantum states of resonators with a mass at…

Quantum Physics · Physics 2009-09-24 C. Genes , A. Mari , D. Vitali , P. Tombesi

We propose a scheme for the realization of a hybrid, strongly quantum-correlated system formed of an atomic ensemble surrounded by a high-finesse optical cavity with a vibrating mirror. We show that the steady state of the system shows…

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

Exploring the dynamics of an optically levitated dielectric micro- and nanoparticle is an exciting new subject in quantum science. Recent years have witnessed rapid advancements in attaining quantum-limited optical detection and control of…

Optics · Physics 2025-04-22 Seyed Khalil Alavi , Zijie Sheng , Haneul Lee , Hansuek Lee , Sungkun Hong

Stationary entanglement between the motion of macroscopic objects and light is a long-standing goal of quantum optomechanics, with implications for both fundamental tests of quantum physics and emerging quantum technologies. We report the…

Quantum Physics · Physics 2026-03-20 Q. Deplano , A. Pontin , F. Marino , F. Marin

Entanglement and quantum squeezing have wide applications in quantum technologies due to their non-classical characteristics. Here we study entanglement and quantum squeezing in an open spin-optomechanical system, in which a Rabi model (a…

Quantum Physics · Physics 2020-02-19 Zhucheng Zhang , Xiaoguang Wang

Quantum radar has emerged as a promising paradigm that utilizes entanglement and quantum correlations to overcome the limitations of classical detection in noisy and lossy environments. By exploiting microwave entanglement generated from…

Quantum Physics · Physics 2025-10-14 Murat Can Karakoc , Ozgun Ersoy , Ahmad Salmanoghli Khiavi , Asaf Behzat Sahin

We systematically study the influence of simultaneously modulating the input laser intensity and quantum dot (QD) resonance frequecy on the mean-field dynamics, fluctuation energy transfer and entanglement in a optomechanical semi-conductor…

Quantum Physics · Physics 2020-07-24 Vijay Bhatt , Pradip K. Jha , Aranya B. Bhattacherjee , Souri Banerjee

We propose a method to prepare entangled states and implement quantum computation with atoms in optical cavities. The internal state of the atoms are entangled by a measurement of the phase of light transmitted through the cavity. By…

Quantum Physics · Physics 2009-11-10 Anders S. Sorensen , Klaus Molmer

We propose a scheme of an optomechanical system that optimizes entanglement in nanomechanical resonators through quantum state transfer of intracavity squeezing and squeezed reservoir field sources assisted by radiation pressure. The system…

We propose effective generation of entangled and squeezed states in an optoelectromechanical system comprising of a macroscopic LC electrical circuit and an optomechanical system. We obtain enhanced entanglement between optical and LC…

Quantum Physics · Physics 2022-10-19 Sampreet Kalita , Saumya Shah , Amarendra K. Sarma

Microwave-optics entanglement is a vital component for building hybrid quantum networks. Here, a new mechanism for preparing stationary entanglement between microwave and optical cavity fields in a cavity optomagnomechanical system is…

Quantum Physics · Physics 2024-01-31 Zhi-Yuan Fan , Liu Qiu , Simon Gröblacher , Jie Li

Microwave quantum illumination with entangled pairs of microwave signal and optical idler modes, can achieve the sub-optimal performance with joint measurement of the signal and idler modes. Here, we first propose a testbed of microwave…

Quantum Physics · Physics 2024-05-24 Sangwoo Jeon , Jihwan Kim , Duk Y. Kim , Zaeill Kim , Taek Jeong , Su-Yong Lee

We in theory proposed a hybrid system consisting of a mechanical resonator, an optical Fabry-P\'erot cavity, and two superconducting microwave circuits to generate stationary continuous-variable quantum entanglement between two microwave…

Quantum Physics · Physics 2019-11-15 Qizhi Cai , Jinkun Liao , Qiang Zhou

We investigate a general scheme for generating, either dynamically or in the steady state, continuous variable entanglement between two mechanical resonators with different frequencies. We employ an optomechanical system in which a single…

Quantum Physics · Physics 2015-10-21 J. Li , I. Moaddel Haghighi , N. Malossi , S. Zippilli , D. Vitali