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Abstract:
Based on the shortcuts to adiabatic passage, we propose a scheme for directly implementing a controlled-not (CNOT) gate in a cavity quantum electrodynamics system. Moreover, we generalize the scheme to realize a CNOT gate in two separate cavities connected by an optical fiber. The strictly numerical simulation shows that the schemes are fast and insensitive to the decoherence caused by atomic spontaneous emission and photon leakage. In addition, the schemes can provide a theoretical basis for the manipulation of the multiqubit quantum gates in distant nodes of a quantum network. © 2016 Informa UK Limited, trading as Taylor & Francis Group.
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Journal of Modern Optics
ISSN: 0950-0340
Year: 2016
Issue: 19
Volume: 63
Page: 1943-1951
1 . 3 2 8
JCR@2016
1 . 2 0 0
JCR@2023
ESI HC Threshold:186
JCR Journal Grade:3
CAS Journal Grade:4
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 1
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