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An Efficient Quantum Key Distribution Protocol with Dense Coding on Single Photons
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作者 Hao Xiao Jun Zhang +2 位作者 Wenhua huang Mi Zhou wencheng hu 《Computers, Materials & Continua》 SCIE EI 2019年第8期759-775,共17页
Combined with the dense coding mechanism and the bias-BB84 protocol,an efficient quantum key distribution protocol with dense coding on single photons(QDKD-SP)is proposed.Compared with the BB84 or bias-BB84 protocols ... Combined with the dense coding mechanism and the bias-BB84 protocol,an efficient quantum key distribution protocol with dense coding on single photons(QDKD-SP)is proposed.Compared with the BB84 or bias-BB84 protocols based on single photons,our QDKD-SP protocol has a higher capacity without increasing the difficulty of its experiment implementation as each correlated photon can carry two bits of useful information.Compared with the quantum dense key distribution(QDKD)protocol based on entangled states,our protocol is more feasible as the preparation and the measurement of a single-photon quantum state is not difficult with current technology.In addition,our QDKD-SP protocol is theoretically proved to be secure against the intercept-resend attack. 展开更多
关键词 Quantum key distribution bias-BB84 dense coding mechanism quantum dense key distribution single photons
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