Atomic NOON state generation in distant cavities by virtual excitations

A general scheme of generating NOON states of virtually-excited 2N atoms is proposed. The two cavities are fibre-connected with N atoms in each cavity. Although we focus on the case of N = 2, the system can be extended to a few atoms with N 〉2. It is found that all 2N atoms can be entangled in the f...

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Published in:中国物理：英文版 2011, Vol.20 (6), p.12-18
Main Author: 杨榕灿 李刚 李杰 张天才
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Language:English
Subjects:
中午
保真性
光纤连接
原子状态
总体方案
氮原子
激发
虚拟
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description A general scheme of generating NOON states of virtually-excited 2N atoms is proposed. The two cavities are fibre-connected with N atoms in each cavity. Although we focus on the case of N = 2, the system can be extended to a few atoms with N 〉2. It is found that all 2N atoms can be entangled in the form of NOON states if the atoms in the first cavity are initially in the excited states and atoms in the second cavity are all in the ground states. The feasibility of the scheme is carefully discussed, it shows that the NOON state with a few atoms can be generated with good fidelity and the scheme is feasible in experiment.
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subjects 中午
保真性
光纤连接
原子状态
总体方案
氮原子
激发
虚拟
title Atomic NOON state generation in distant cavities by virtual excitations
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