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- Title
Efficient bidirectional quantum secure communication with two-photon entanglement.
- Authors
Yin, Xun-Ru; Ma, Wen-Ping; Liu, Wei-Yan; Shen, Dong-Su
- Abstract
An efficient bidirectional quantum secure communication protocol is proposed with two-photon entanglement. Compared with the previous protocol proposed by Shi et al., our protocol can achieve higher efficiency. Meanwhile, for the same length secret messages, only half of entangled photon pairs need to be prepared in our protocol. And the number of classical bits in public classical communication is also a half of that in the previous protocol. Moreover, the information leakage does not exist in our scheme.
- Subjects
QUANTUM theory; COMPARATIVE studies; INFORMATION theory; PHOTON pairs; DATA security; CRYPTOGRAPHY
- Publication
Quantum Information Processing, 2013, Vol 12, Issue 9, p3093
- ISSN
1570-0755
- Publication type
Article
- DOI
10.1007/s11128-013-0584-y