The Evolution of Quantum Secure Direct Communication: On the Road to the Qinternet

• URL: http://arxiv.org/abs/2311.13974v1
• Date: Thu, 23 Nov 2023 12:40:47 GMT
• Title: The Evolution of Quantum Secure Direct Communication: On the Road to the Qinternet
• Authors: Dong Pan, Gui-Lu Long, Liuguo Yin, Yu-Bo Sheng, Dong Ruan, Soon Xin Ng, Jianhua Lu, and Lajos Hanzo
• Abstract summary: Quantum secure direct communication (QSDC) is provably secure and overcomes the threat of quantum computing. We will detail the associated point-to-point communication protocols and show how information is protected and transmitted.
• Score: 49.8449750761258
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Communication security has to evolve to a higher plane in the face of the threat from the massive computing power of the emerging quantum computers. Quantum secure direct communication (QSDC) constitutes a promising branch of quantum communication, which is provably secure and overcomes the threat of quantum computing, whilst conveying secret messages directly via the quantum channel. In this survey, we highlight the motivation and the status of QSDC research with special emphasis on its theoretical basis and experimental verification. We will detail the associated point-to-point communication protocols and show how information is protected and transmitted. Finally, we discuss the open challenges as well as the future trends of QSDC networks, emphasizing again that QSDC is not a pure quantum key distribution (QKD) protocol, but a fully-fledged secure communication scheme.

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