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We propose a dissipative scheme to prepare a three-dimensional entangled state for two atoms trapped in separate coupled cavities. Our work shows that both atomic spontaneous emission and cavity decay, which are two typical obstacles in…

Quantum Physics · Physics 2015-05-11 Shi-Lei Su , Xiao-Qiang Shao , Hong-Fu Wang , Shou Zhang

We propose a scheme to deterministically generate atomic two-dimensional and three-dimensional entangled states by passing two 87Rb atoms through a high-Q bi-mode cavity alternately. The scheme is insensitive to atomic spontaneous decay…

Quantum Physics · Physics 2015-06-11 Peng Shi , Li-Bo Chen , Wen-Dong Li , Chun-Nian Ren , Chun-Hong Zheng , Yong-Jian Gu

We propose a novel scheme for the preparation of a maximally entangled state of two atoms in an optical cavity. Starting from an arbitrary initial state, a singlet state is prepared as the unique fixed point of a dissipative quantum…

Quantum Physics · Physics 2011-04-21 M. J. Kastoryano , F. Reiter , A. S. Sørensen

We propose a practical physical system for creation of a stationary entanglement by dissipation without employing the environment engineering techniques. The system proposed is composed of two perfectly distinguishable atoms, through their…

Quantum Physics · Physics 2015-05-20 A. F. Alharbi , Z. Ficek

We propose a scheme for the dissipative preparation of W-type entangled steady-states of three atoms trapped in an optical cavity. The scheme is based on the competition between the decay processes into and out of the target state. By…

Quantum Physics · Physics 2012-06-26 Xin-Yu Chen , Li-Tuo Shen , Zhen-Biao Yang , Huai-Zhi Wu , Mei-Feng Chen

We propose a scheme for the generation of entangled states for two atoms trapped in separate cavities coupled to each other. The scheme is based on the competition between the unitary dynamics induced by the classical fields and the…

Quantum Physics · Physics 2011-12-30 Li-Tuo Shen , Xin-Yu Chen , Zhen-Biao Yang , Huai-Zhi Wu , Shi-Biao Zheng

We propose a protocol for generating multi-particle entangled states using coherent manipulation of atoms trapped in an optical cavity. We show how entanglement can be adiabatically produced with two control beams and by exploiting…

Quantum Physics · Physics 2023-05-31 Rahul Sawant

We present a scheme to generate a maximally entangled state of two three-level atoms in a cavity. The success or failure of the generation of the desired entangled state can be determined by detecting the polarization of the photon leaking…

Quantum Physics · Physics 2009-11-07 Jongcheol Hong , Hai-Woong Lee

We propose a scheme to prepare a maximally entangled state for two Lambda-type atoms trapped in separate optical cavities coupled through an optical fiber based on the combined effect of the unitary dynamics and the dissipative process. Our…

Quantum Physics · Physics 2015-09-02 Shi-Lei Su , Xiao-Qiang Shao , Qi Guo , Liu-Yong Cheng , Hong-Fu Wang , Shou Zhang

We propose a probabilistic scheme to prepare a maximally entangled state between a pair of two-level atoms inside a leaking cavity, without requiring precise time-controlling of the system evolution and initial atomic state. We show that…

Quantum Physics · Physics 2013-10-24 D. Z. Rossatto , C. J. Villas-Boas

A protocol is proposed to generate atomic entangled states in a cavity QED system. It utilizes Raman transitions or stimulated Raman adiabatic passages between two systems to entangle the ground states of two three-state $\Lambda$-type…

Quantum Physics · Physics 2010-04-13 Pengbo Li

A new mechanism is proposed for dissipatively preparing maximal Bell entangled state of two atoms in an optical cavity. This scheme integrates the spontaneous emission, the light shift of atoms in the presence of dispersive microwave field,…

Quantum Physics · Physics 2018-03-07 D. X. Li , X. Q. Shao , J. H. Wu , X. X. Yi

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

We propose a scheme to create distant entangled atomic states. It is based on driving two (or more) atoms with a weak laser pulse, so that the probability that two atoms are excited is negligible. If the subsequent spontaneous emission is…

Quantum Physics · Physics 2009-10-31 C. Cabrillo , J. I. Cirac , P. Garcia-Fernandez , P. Zoller

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

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 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

We describe an experimentally straightforward method for preparing an entangled W state of up to 100 qubits. Our repeat-until-success protocol relies on detection of single photons from collective spontaneous emission in free space. Our…

Quantum Physics · Physics 2011-01-25 D. Kielpinski

We propose a scheme to dissipatively produce steady-state entanglement in a two-qubit system, via an interaction with a bosonic mode. The system is driven into a stationary entangled state, while we compensate the mode dissipation by…

We consider a pair of three - level atoms interacting with a common vacuum and analyze the process of entanglement production due to spontaneous emission. We show that in the case of closely separated atoms, collective damping can generate…

Quantum Physics · Physics 2009-11-13 L. Derkacz , L. Jakobczyk
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