GENERAL

Atomic GHZ States Prepared in Two Directly Coupled Cavities with Virtual Excitations in One Step

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2011 Chinese Physical Society and IOP Publishing Ltd
, , Citation Yang Rong-Can et al 2011 Commun. Theor. Phys. 56 655 DOI 10.1088/0253-6102/56/4/10

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1 State Key Laboratory of Quantum Optics and Quantum Optics Devices, Institute of Opto-Electronics, Shanxi University, Taiyuan 030006, China

2 School of Physics and Opto-Electronics Technology, Fujian Normal University, Fuzhou 350007, China

Dates

  1. Received 28 February 2011
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0253-6102/56/4/655

Abstract

A scheme for one-step preparation of atomic GHZ states in two directly coupled cavities via virtual excitations is proposed. In the whole procedure, the information is carried only in two ground states of Λ-type atoms, while the excited states of atoms and cavity modes are virtually excited, leading the system to be insensitive to atomic spontaneous emission and photon loss.

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