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Related papers: Efficient generation of distant atom entanglement

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A practical scheme for entanglement creation between distant atoms located inside a single-mode optical cavity is discussed. We show that the degree of entanglement and the time it takes for the entanglement to reach its optimum value is a…

Quantum Physics · Physics 2015-05-13 S. Natali , Z. Ficek

We consider a system consisting of a $\Lambda$-type atom and a V-type atom, which are individually trapped in two spatially separated cavities that are connected by an optical fibre. We show that an extremely entangled state of the two…

Quantum Physics · Physics 2007-06-20 Peng Peng , Fu-li Li

We propose a scheme for the generation of two-mode entangled states between two spatially separated cavities. It utilizes a two-level atom sequentially coupling to two high-Q cavities with a strong classical driving field. It is shown that…

Quantum Physics · Physics 2009-11-13 Pengbo Li

We develop a one-step scheme for generating multiparticle entangled states between two cold atomic clouds in distant cavities coupled by an optical fiber. We show that, through suitably choosing the intensities and detunings of the fields…

Quantum Physics · Physics 2011-01-19 Peng-Bo Li , Fu-Li Li

In this paper, a scheme for the generation of long-living entanglement between two distant {\Lambda}-type three-level atoms separately trapped in two dissipative cavities is proposed. In this scheme, two dissipative cavities are coupled to…

Quantum Physics · Physics 2018-01-31 Chuang Li , Sen Yang , Yan Xia , Jie Song , Wei-Qiang Ding

A scheme for non-conditional generation of long-living maximally entangled states between two spatially well separated atoms is proposed. In the scheme, $\Lambda$-type atoms pass a resonator-like equipment of dispersing and absorbing…

Quantum Physics · Physics 2016-08-16 Özgür Çakir , Ho Trung Dung , Ludwig Knöll , Dirk-Gunnar Welsch

We propose a scheme to unconditionally entangle the internal states of atoms trapped in separate high finesse optical cavities. The scheme uses the technique of quantum reservoir engineering in a cascaded cavity QED setting, and for ideal…

Quantum Physics · Physics 2009-11-10 Stephen Clark , Amy Peng , Mile Gu , Scott Parkins

Up to date, the life time of experimentally demonstrated entangled states has been limited, due to their fragility under decoherence and dissipation. Therefore, they are created under strict isolation conditions. In contrast, new approaches…

Quantum Physics · Physics 2013-05-29 Christine A. Muschik , Eugene S. Polzik , J. Ignacio Cirac

A potential scheme is proposed to generate complete sets of entangled photons in the context of cavity quantum electrodynamics (QED). The scheme includes twice interactions of atoms with cavities, in which the first interaction is made in…

Quantum Physics · Physics 2007-05-23 X. L. Zhang , M. Feng , K. L. Gao

A scheme for probabilistic entanglement generation between two distant single electron doped quantum dots, each placed in a high-Q microcavity, by detecting strong coherent light which has interacted dispersively with both subsystems and…

Quantum Physics · Physics 2015-03-13 J. Grond , W. Pötz , A. Imamoglu

We demonstrate entanglement generation of two neutral atoms trapped inside an optical cavity. Entanglement is created from initially separable two-atom states through carving with weak photon pulses reflected from the cavity. A polarization…

Quantum Physics · Physics 2017-05-30 Stephan Welte , Bastian Hacker , Severin Daiss , Stephan Ritter , Gerhard Rempe

We introduce a fully coherent way for directed transport of localized atoms in optical lattices by regularly performing phase shifts on the lattice potential during the free evolution of the system. This paves the way for realizing a…

Quantum Physics · Physics 2014-02-12 Morteza Rafiee , Abolfazl Bayat

A scheme is proposed for the fast generation of three-dimensional entanglement between two atoms trapped in two cavities connected by a fiber via invariant-based shortcut to adiabatic passage. With the help of quantum Zeno dynamics, the…

Quantum Physics · Physics 2016-09-21 Jin-Lei Wu , Chong Song , Xin Ji , Shou Zhang

We propose various schemes for the dissipative preparation of a maximally entangled steady state of two atoms in an optical cavity. Harnessing the natural decay processes of cavity photon loss and spontaneous emission, we use an effective…

Quantum Physics · Physics 2012-06-19 Florentin Reiter , Michael J. Kastoryano , Anders S. Sørensen

By exactly solving the underlying Sch\"{o}dinger equation we show that one and the same resonant cavity can be used as a catalyst to maximally entangle atoms of two nonidentical groups. The generation scheme is realistic and advantageous in…

Quantum Physics · Physics 2007-05-23 Nguyen Ba An

We propose a scheme for generating steady entanglement between two distant atomic qubits in the coupled-cavity system via laser cooling. With suitable choice of the laser frequencies, the target entangled state is the only ground state that…

Quantum Physics · Physics 2013-01-04 Li Tuo Shen , Xin Yu Chen , Zhen Biao Yang , Huai Zhi Wu , Shi Biao Zheng

The distributed quantum computation plays an important role in large-scale quantum information processing. In the atom-cavity-fiber system, we put forward two efficient proposals to prepare the steady entanglement of two distant atoms with…

Quantum Physics · Physics 2018-03-07 Dong-Xiao Li , Xiao-Qiang Shao , Jin-Hui Wu , X. X. Yi

In this paper we show how to generate efficiently entanglement between two artificial giant atoms with photon-mediated interactions in a waveguide. Taking advantage of the adjustable decay processes of giant atoms into the waveguide, and of…

Quantum Physics · Physics 2023-02-06 Alan C. Santos , R. Bachelard

Moving cavities promise to be a suitable system for relativistic quantum information processing. It has been shown that an inertial and a uniformly accelerated one-dimensional cavity can become entangled by letting an atom emit an…

Quantum Physics · Physics 2016-01-29 Bartosz Regula , Antony R. Lee , Andrzej Dragan , Ivette Fuentes

We propose an efficient scheme to engineer multi-atom entanglement by detecting cavity decay through single-photon detectors. In the special case of two atoms, this scheme is much more efficient than previous probabilistic schemes, and…

Quantum Physics · Physics 2009-11-10 L. -M. Duan , H. J. Kimble