Journal
JOURNAL OF MODERN OPTICS
Volume 55, Issue 11, Pages 1723-1729Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1080/09500340701787851
Keywords
remote state preparation; GHZ state; CNOT operation
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With one pair of entangled particles as the quantum channel, we present an explicit generalized protocol for preparing remotely a two-level N-particle Greenberger-Horne-Zeilinger (GHZ) state and generalize it to the d-level case. We show that by properly choosing the measurement basis it is possible to achieve unity fidelity remote preparation of the state. This protocol has the advantage of transmitting much fewer particles for remote preparation of the d-level N-particle GHZ state.
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