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Related papers: Dissipation induced $W$ state in a Rydberg-atom-ca…

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Inspired by a recent work [Reiter, Reeb, and S{\o}rensen, Phys. Rev. Lett. {\bf117}, 040501 (2016)], we present a simplified proposal for dissipatively preparing a Greenberger-Horne-Zeilinger (GHZ) state of three Rydberg atoms in a cavity.…

Quantum Physics · Physics 2017-12-20 X. Q. Shao , J. H. Wu , X. X. Yi , Gui-Lu Long

A novel scheme is proposed for dissipative generation of maximally entanglement between two Rydberg atoms in the context of cavity QED. The spontaneous emission of atoms combined with quantum Zeno dynamics and Rydberg antiblockade…

Quantum Physics · Physics 2017-07-05 X. Q. Shao , J. H. Wu , X. X. Yi

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

Two novel schemes are proposed for the dissipative preparation of large W states, of the order of ten qubits, within the context of Cavity QED. By utilizing properties of the irreducible representations of su(3), we are able to construct…

Quantum Physics · Physics 2014-02-05 R. Sweke , I. Sinayskiy , F. Petruccione

A quantum-feedback-based scheme is proposed for generating multipartite entanglements of Rydberg atoms in a dissipative optical cavity. The Rydberg blockade mechanism efficiently prevents double excitations of the system, which is further…

Quantum Physics · Physics 2017-02-15 X. Q. Shao , J. H. WU , X. X. Yi

Very recently, dissipative coupling was discovered, which develops and broadens methods for controlling and utilizing light-matter interactions. Here, we propose a scheme to generate the tripartite $W$ state in a dissipatively coupled…

Quantum Physics · Physics 2023-01-19 Guo-Qiang Zhang , Wei Feng , Wei Xiong , Qi-Ping Su , Chui-Ping Yang

The multipartite Greenberger-Horne-Zeilinger (GHZ) states are indispensable elements for various quantum information processing tasks. Here we put forward two deterministic proposals to dissipatively prepare tripartite GHZ states in a…

Quantum Physics · Physics 2020-04-27 D. X. Li , H. W. Xiao , C. Yang , X. Q. Shao

We propose an experimentally feasible scheme for dissipative preparation of tripartite entangled state with atoms separately trapped in an array of three coupled cavities. The combination of coherent driving fields and quantum-jump-based…

Quantum Physics · Physics 2016-09-21 X. Q. Shao , Z. H. Wang , H. D. Liu , X. X. Yi

Based on Lyapunov control, a scheme is proposed to accelerate the dissipation dynamics for the generation of high-fidelity entanglement between two Rydberg atoms in the context of cavity quantum electrodynamics (QED). We first use the…

Quantum Physics · Physics 2018-03-28 Ye-Hong Chen , Zhi-Cheng Shi , Jie Song , Yan Xia , Shi-Biao Zheng

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

Engineered dissipation is emerging as an alternative tool for quantum state control, enabling high-fidelity preparation, transfer and stabilization, and access to novel phase transitions. We realize a tunable, state-resolved laser-induced…

Quantum Physics · Physics 2025-09-09 Tao Chen , Chenxi Huang , Jacob P. Covey , Bryce Gadway

Scheme to prepare three-dimensional entangled state between a pair of Rydberg atoms is proposed via dissipative dynamics and Electromagnetic Induced Transparency (EIT) associated with the single-atom dark state. The prepared entangled state…

Quantum Physics · Physics 2019-01-15 Shi-Lei Su

The W state, as a robust multipartite entangled state, plays an important role in quantum information processing, quantum network construction and quantum computing. In this paper, we encode quantum information on the effective energy…

Quantum Physics · Physics 2025-09-23 Liping Yang , Jiping Wang , Li Dong , Xiaoming Xiu , Yanqiang Ji

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 two robust schemes to generate controllable (deterministic) atomic W-states of three three-level atoms interacting with an optical cavity and a laser beam. Losses due to atomic spontaneous emissions and to cavity decay are…

Quantum Physics · Physics 2015-05-13 M. Amniat-Talab , M. Saadati , S. Guerin

Preparation of entangled steady states via dissipation and pumping in Rydberg atoms has been recently found to be useful for quantum information processing. The driven-dissipative dynamics is closely related to the natural linewidth of the…

Quantum Physics · Physics 2019-05-01 Zong-Xing Ding , Chang-Sheng Hu , Li-Tuo Shen , Zhen-Biao Yang , Huaizhi Wu , Shi-Biao Zheng

We investigate a one-dimensional atomic lattice laser-driven to a Rydberg state, in which engineered dissipation channels lead to entanglement in the many-body system. In particular, we demonstrate the efficient generation of ground states…

Quantum Physics · Physics 2016-11-30 Maryam Roghani , Hendrik Weimer

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 simple scheme for the dissipative generation of entangled states of multiple emitters coupled to a waveguide. Our approach exploits collective interactions arising from the formation of subradiant and superradiant excited…

We present a dissipative protocol to engineer two $^{87}Rb$ atoms into a form of three-dimensional entangled state via spontaneous emission. The combination of coupling between ground states via microwave fields and dissipation induced by…

Quantum Physics · Physics 2014-01-22 Xiao-Qiang Shao , Tai-Yu Zheng , C. H. Oh , Shou Zhang
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