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The fields of cavity quantum electrodynamics and magnetism have recently merged into \textit{`cavity spintronics'}, investigating a quasiparticle that emerges from the strong coupling between standing electromagnetic waves confined in a…

The coherence and correlation properties of effective bosonic modes of a nano-mechanical cavity composed of an oscillating mirror and containing an optical lattice of regularly trapped atoms are studied. The system is modeled as a…

Quantum Physics · Physics 2013-05-30 Li-hui Sun , Gao-xiang Li , Zbigniew Ficek

In this paper, firstly, we consider bipartite entanglement between each part of an optomechanical cavity composed of one dimensional Bose-Einstein condensate (BEC). we investigate atomic collision on the behavior of the BEC in the week…

Quantum Physics · Physics 2017-01-03 Mohammad Eghbali-Arani , Vahid Ameri

Efficient coupling between on-chip sources and cavities plays a key role in silicon photonics. However, despite the importance of this basic functionality, there are few systematic design tools to simultaneously control coupling between…

We study a system of interacting matter quasiparticles strongly coupled to photons inside an optomechanical cavity. The resulting normal modes of the system are represented by hybrid polaritonic quasiparticles, which acquire effective…

Quantum Gases · Physics 2017-02-27 N. Bobrovska , M. Matuszewski , T. C. H. Liew , O. Kyriienko

We provide an argument to infer stationary entanglement between light and a mechanical oscillator based on continuous measurement of light only. We propose an experimentally realizable scheme involving an optomechanical cavity driven by a…

We theoretically show that bright six-partite continuous-variable entanglement can be generated using cascaded four-wave mixing effects of third-order nonlinearity atomic systems above threshold. The six-partite continuous-variable…

Quantum Physics · Physics 2011-09-13 Guangqiang He , Xufei Wu , Yi Gu

The motion of micro- and nanomechanical resonators can be coupled to electromagnetic fields. This allows to explore the mutual interaction and introduces new means to manipulate and control both light and mechanical motion. Such…

Mesoscale and Nanoscale Physics · Physics 2015-03-17 Georg Heinrich , Florian Marquardt

We study a driven-dissipative array of coupled nonlinear optical resonators by numerically solving the Von Neumann equation for the density matrix. We demonstrate that quantum correlated states of many photons can be generated also in the…

Quantum Physics · Physics 2015-03-20 Timothy C. H. Liew , Vincenzo Savona

We show that coherent control of the steady-state long-distance entanglement between pairs of cavity-atom systems in an array of lossy and driven coupled resonators is possible. The cavities are doped with atoms and are connected through…

Quantum Physics · Physics 2010-08-27 Dimitris G. Angelakis , Li Dai , Leong-Chuan Kwek

The output fields of a pair of coherently coupled nonlinear optical cavities are found to exhibit strong optical entanglement. For sufficiently strong coupling the quantum correlations become asynchronous providing a resource for quantum…

Quantum Physics · Physics 2009-01-21 Terry G. McRae , Warwick P. Bowen

We explore entanglement generation between multiple optically levitated nanospheres interacting with a common optical cavity via the Coherent Scattering optomechanical interaction. We derive the many-particle Hamiltonian governing the…

Quantum Physics · Physics 2021-12-07 Igor Brandão , Daniel Tandeitnik , Thiago Guerreiro

Hybrid quantum systems have been developed with various mechanical, optical and microwave harmonic oscillators. The coupling produces a rich library of interactions including two mode squeezing, swapping interactions, back-action evasion…

We investigate the magnon-photon couplings by employing a small magnet within an irregular resonant cavity, which leads to a desirable nonreciprocity with a big isolation ratio. Moreover, the higher-order couplings between the spin wave…

Applied Physics · Physics 2021-06-02 Chi Zhang , Chenglong Jia , Yongzhang Shi , Changjun Jiang , Desheng Xue , C. K. Ong , Guozhi Chai

It has been shown that there are not only transverse but also longitudinal couplings between microwave fields and a superconducting qubit with broken inversion symmetry of the potential energy. Using multiphoton processes induced by…

Quantum Physics · Physics 2016-11-22 Yan-Jun Zhao , Chang-Qing Wang , Xiaobo Zhu , Yu-xi Liu

Quantum correlations present in a broadband two-line squeezed microwave state can induce entanglement in a spatially separated bipartite system consisting of either two single qubits or two qubit ensembles. By using an appropriate master…

Mesoscale and Nanoscale Physics · Physics 2016-07-13 Angela Viviana Gómez , Ferney Javier Rodríguez , Luis Quiroga , Juan José García-Ripoll

We investigate a hybrid optomechanical system in which a membrane oscillator is coupled to a collective spin of ground states of an intracavity $\Lambda$-type three-level atomic medium. The cavity field response is greatly modified by…

Optics · Physics 2015-06-22 Haibin Wu , Min Xiao

High-finesse, open-geometry microcavities have recently emerged as a versatile tool for enhancing interactions between photons and material systems, with a range of applications in quantum optics and quantum information science. However,…

Instrumentation and Detectors · Physics 2021-06-16 Yannik Fontana , Rigel Zifkin , Erika Janitz , Cesar Daniel Rodriguez Rosenblueth , Lilian Childress

We have developed the mode matching technique that is based on the using the eigenmodes of circular cavities and the eigenwaves of circular waveguides as the basic functions for calculation the properties of nonuniform disc-loaded…

Accelerator Physics · Physics 2015-05-14 M. I. Ayzatsky , V. V. Mytrochenko

We study the dynamics of a pair of molecular ensembles trapped inside a superconducting resonator through which they are strongly coupled via a microwave field mode. We find that entanglement can be generated via "vacuum fluctuations" even…

Quantum Physics · Physics 2011-08-02 H. T. Ng , K. Burnett