Quantum Secure Direct Communication Using Entangled Photon Pairsand Local Measurement |
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| Authors: | YI Xiao-Jie NIE Yi-You ZHOU Nan-Run HUANG Yi-Bing HONG Zhi-Hui LI Song-Song |
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| Affiliation: | 1. Department of Physics, Jiangxi Normal University,Nanchang 330022, China;2. Department of Electronics Information Engineering,Nanchang University, Nanchang 330031, China |
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| Abstract: | We present a scheme for quantum secure direct communication, in which the message is encoded by local unitary operations, transmitted through entangled photons, and deduced from both the sender and receiver's local measurement results. In such a scheme, only one pair of entangled photons is consumed, and there is no need to transmit the sender's qubit carrying the secret message in a public channel, in order to transmit two-bit classical information. |
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| Keywords: | quantum secure direct communication quantumcryptography information security |
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