Secure quantum dialogue based on single-photon |
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| Authors: | Ji Xin and Zhang Shou |
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| Affiliation: | Department of Physics, College of Science, Yanbian University, Yanji 133002, China |
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| Abstract: | In this paper a quantum dialogue scheme is proposed by using N batches of single
photons. The same secret message is encoded on each batch of single photons by the
sender with two different unitary operations, and then the N batches of single
photons are sent to the receiver. After eavesdropping check, the message is encoded
on the one remaining batch by the receiver. It is shown that the
intercept-and-resend attack and coupling auxiliary modes attack can be resisted more
efficiently, because the photons are sent only once in our quantum dialogue scheme. |
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| Keywords: | quantum dialogue single photon unitary operation |
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