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We explore the interplay between acceleration radiation and the dynamical Casimir effect (DCE) in the field of superconducting quantum technologies, analyzing the generation of entanglement between two qubits by means of the DCE in several…

Quantum Physics · Physics 2019-06-05 Andrés Agustí , Enrique Solano , Carlos Sabín

We propose to realize a mechanical dynamical Casimir effect (MDCE) in a hybrid optomechanical system consisting of a cavity mode, a low-frequency mechanical oscillator, and a two-level atomic system. Described by the effective Hamiltonian,…

Quantum Physics · Physics 2025-02-24 Tian-hao Jiang , Jun Jing

We develop a microscopic toy model for Cavity dynamical Casimir effect (DCE), namely, the photon generation from vacuum due to a nonstationary dielectric slab in a fixed single mode cavity. We represent the slab by $N\gg 1$ noninteracting…

Quantum Physics · Physics 2015-05-29 I. M. de Sousa , A. V. Dodonov

Real photon pairs can be created in a dynamic cavity with periodically modulated refractive index of the constituent media or oscillating boundaries. This effect is called Dynamic Casimir effect (DCE), which represents one of the most…

Optics · Physics 2018-12-06 Shaojie Ma , Haixing Miao , Yuanjiang Xiang , Shuang Zhang

Parametric photon creation via the dynamical Casimir effect (DCE) is evaluated numerically, in a three-dimensional rectangular resonant cavity bisected by a semiconductor diaphragm (SD), which is irradiated by a pulsed laser with frequency…

Quantum Physics · Physics 2011-05-19 Wade Naylor , S. Matsuki , Tomoaki Nishimura , Yoshiaki Kido

The recent observation of the dynamical Casimir effect in a modulated superconducting waveguide, coronating thirty years of world-wide research, empowered the quantum technology community with a powerful tool to create entangled photons…

Integrated quantum photonics has recently emerged as a powerful platform for generating, manipulating, and detecting entangled photons. Multipartite entangled states lie at the heart of the quantum physics and are the key enabling resources…

Quantum Physics · Physics 2023-06-05 Leizhen Chen , Liangliang Lu , Lijun Xia , Yanqing Lu , Shining Zhu , Xiao-song Ma

We show that the physics underlying the dynamical Casimir effect may generate multipartite quantum correlations. To achieve it, we propose a circuit quantum electrodynamics (cQED) scenario involving superconducting quantum interference…

Quantum Physics · Physics 2015-06-18 S. Felicetti , M. Sanz , L. Lamata , G. Romero , G. Johansson , P. Delsing , E. Solano

We investigate how the dynamical Casimir effect can entangle quantum systems in different coupling regimes of circuit quantum electrodynamics, and show the robustness of such entanglement generation against dissipative effects with current…

Quantum Physics · Physics 2016-06-20 D. Z. Rossatto , S. Felicetti , H. Eneriz , E. Rico , M. Sanz , E. Solano

Multipartite entanglement plays an important role in quantum information processing and quantum metrology. Here, the dressing-energy-level-cascaded (DELC) four-wave mixing (FWM) processes are proposed to generate all-optical controlled…

Quantum Physics · Physics 2022-04-14 Yuliang Liu , Jiajia Wei , Mengqi Niu , Yixin Lin , Zhili Chen , Jin Yan , Binshuo Luo , Feng Li , Yin Cai , Yanpeng Zhang

We propose an experimentally feasible optomechanical system (OMS) that is dispersively driven and operates in the reversed dissipation regime (RDR), where the mechanical damping rate far exceeds the cavity decay rate. We demonstrate that…

Quantum Physics · Physics 2026-01-28 H. Solki , Ali Motazedifard , M. H. Naderi , A. Youssefi , R. Roknizadeh

We consider the nonstationary circuit QED architecture, where a single artificial two-level atom interacts with a cavity field mode under external modulation of one or more system parameters. Two different approaches are employed to study…

Quantum Physics · Physics 2015-04-21 D. S. Veloso , A. V. Dodonov

We develop multipolar theory of nonlinear generation of entangled photons from subwavelength dielectric particles due to the spontaneous parametric downconversion. We demonstrate that optical excitation in resonance with the high-quality…

Optics · Physics 2018-08-15 Alexander N. Poddubny , Daria A. Smirnova

The dynamical Casimir effect (DCE) predicts the generation of photons from the vacuum due to the parametric amplification of the quantum fluctuation of an electromagnetic field\cite{casimir1,casimir2}. The verification of such effect is…

We study analytically and numerically the dynamical Casimir effect in a cavity containing two stationary 2-level atoms that interact with the resonance field mode via the Tavis-Cummings Hamiltonian. We determine the modulation frequencies…

Quantum Physics · Physics 2012-06-12 A. V. Dodonov , V. V. Dodonov

Multidimensional cluster states are a key resource for robust quantum communication, measurement-based quantum computing and quantum metrology. Here, we present a device capable of emitting large-scale entangled microwave photonic states in…

Entangled photons are crucial for quantum technologies, but generating arbitrary entangled photon states deterministically, efficiently, and with high fidelity remains a challenge. Here, we demonstrate how hybridization and dipole-dipole…

Quantum Physics · Physics 2022-04-06 Derek S Wang , Inci Anali , Susanne F Yelin

The dynamical Casimir effect (DCE) is the production of photons by the amplification of vacuum fluctuations. In this paper we demonstrate new resonance conditions in DCE that potentially allow the production of optical photons when the…

Quantum Physics · Physics 2016-12-09 B. E. Ordaz-Mendoza , S. F. Yelin

We study the creation and entanglement of quasiparticle pairs due to a periodic variation of the mode frequencies of a homogeneous quantum system. Depending on the values of the parameters describing the periodic modulation, the number of…

Quantum Gases · Physics 2014-06-27 Xavier Busch , Renaud Parentani , Scott Robertson

We propose an experimentally feasible scheme for generating a two $2\times4\times4$ dimensional photons hyperentangled state, entangled in polarization, frequency and spatial mode. This scheme is mainly based on a parametric down-conversion…

Quantum Physics · Physics 2013-04-30 Hong-Bo Xu , Kun Du , Cong-Feng Qiao
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