Journal
OPTICS COMMUNICATIONS
Volume 282, Issue 12, Pages 2457-2459Publisher
ELSEVIER
DOI: 10.1016/j.optcom.2009.02.054
Keywords
Quantum communication; Deterministic secure quantum communication; Entanglement swapping; Four-particle genuine entangled state
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Funding
- National Natural Science Foundation of China [10704011]
- Research Programs of the Educational Office of Liaoning Province of China [2008006]
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A deterministic secure quantum communication scheme using entanglement swapping is proposed. The sender prepares four-particle genuine entangled states and sends two particles in each state to the receiver and remains the rest particles. If the quantum channel is secure, they begin to communicate. After their four-particle projective measurements, the receiver can obtain the secret information according to his measurement outcomes and classical information from the sender. Using entanglement swapping, there are no particles carrying secret information to be transmitted. (c) 2009 Published by Elsevier B.V.
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