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Phys. Rev. A 71, 044305 (2005) [4 pages]

Quantum secure direct communication with high-dimension quantum superdense coding

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Chuan Wang1, Fu-Guo Deng1,2, Yan-Song Li1, Xiao-Shu Liu1, and Gui Lu Long1,3
1Key Laboratory for Quantum Information and Measurements, and Department of Physics, Tsinghua University, Beijing 100084, People’s Republic of China
2The Key Laboratory of Beam Technology and Materials Modification of Ministry of Education, and Institute of Low Energy Nuclear Physics, Beijing Normal University, Beijing 100875, People’s Republic of China
3Key Laboratory for Atomic and Molecular NanoSciences, Tsinghua University, Beijing 100084, People’s Republic of China

Received 26 November 2004; published 28 April 2005

A protocol for quantum secure direct communication with quantum superdense coding is proposed. It combines the ideas of block transmission, the ping-pong quantum secure direct communication protocol, and quantum superdense coding. It has the advantage of being secure and of high source capacity.

© 2005 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.71.044305
DOI:
10.1103/PhysRevA.71.044305
PACS:
03.67.Hk, 03.65.Ud, 03.67.Dd
 
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