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Abstract:
We propose an efficient scheme for deterministic generating N-atom Greenberger-Horne-Zeilinger (GHZ) states in separate coupled cavities connected by optical fibers based on quantum Zeno dynamics only by one-step manipulation. Firstly, we discuss the generation of three-atom GHZ states in separate cavities. Then, the scheme is directly generalized to N-atom case without increasing new operations in experiment. The influence of decoherence induced by atomic spontaneous emission and the fibers and cavities losses is discussed by numerical calculation. The results show that the scheme is insensitive to the optical fibers decay due to a tiny excitation probability of the optical fibers during the operation. © 2015 Taylor & Francis.
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Journal of Modern Optics
ISSN: 0950-0340
Year: 2015
Issue: 19
Volume: 62
Page: 1591-1599
1 . 2 6 7
JCR@2015
1 . 2 0 0
JCR@2023
ESI HC Threshold:200
JCR Journal Grade:3
CAS Journal Grade:4
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