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- Title
Controlled quantum secure direct communication by entanglement distillation or generalized measurement.
- Authors
Tan, Xiaoqing; Zhang, Xiaoqian
- Abstract
We propose two controlled quantum secure communication schemes by entanglement distillation or generalized measurement. The sender Alice, the receiver Bob and the controllers David and Cliff take part in the whole schemes. The supervisors David and Cliff can control the information transmitted from Alice to Bob by adjusting the local measurement angles $$\theta _4$$ and $$\theta _3$$ . Bob can verify his secret information by classical one-way function after communication. The average amount of information is analyzed and compared for these two methods by MATLAB. The generalized measurement is a better scheme. Our schemes are secure against some well-known attacks because classical encryption and decoy states are used to ensure the security of the classical channel and the quantum channel.
- Subjects
QUANTUM communication; DATA transmission systems; DATA encryption; OPTICAL communications; QUANTUM information science
- Publication
Quantum Information Processing, 2016, Vol 15, Issue 5, p2137
- ISSN
1570-0755
- Publication type
Article
- DOI
10.1007/s11128-016-1268-1