Abstract
In order to improve the reliability and security of quantum direct communication, this paper proposed a new quantum secure direct communication protocol based on the entanglement properties of cluster state and EPR entangled pairs. This protocol takes four-quit cluster state as the information carrier, using unitary transformation, through quantum information states to do the Bell-based measurements to interpret the secret messages. The cluster state is better than W state of entanglement properties, has a higher efficiency of the communication, and is more comfortable to use for information carrier.
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Li, X., He, G., Gu, M., Dai, P. (2013). Quantum Secure Direct Communication Protocol Based on Four-Qubit Cluster State. In: Zhong, Z. (eds) Proceedings of the International Conference on Information Engineering and Applications (IEA) 2012. Lecture Notes in Electrical Engineering, vol 219. Springer, London. https://doi.org/10.1007/978-1-4471-4853-1_14
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DOI: https://doi.org/10.1007/978-1-4471-4853-1_14
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Online ISBN: 978-1-4471-4853-1
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