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Single-Photon-Memory Measurement-Device-Independent Quantum Secure Direct Communication -- Part I: Its Fundamentals and Evolution

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arxiv 2304.09379 v1 pith:NDXGDTBF submitted 2023-04-19 quant-ph

Single-Photon-Memory Measurement-Device-Independent Quantum Secure Direct Communication -- Part I: Its Fundamentals and Evolution

classification quant-ph
keywords communicationqsdcquantumdirectevolutionfundamentalssecuresecurity
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Quantum secure direct communication (QSDC) has attracted a lot of attention, which exploits deep-rooted quantum physical principles to guarantee unconditional security of communication in the face of eavesdropping. We first briefly review the fundamentals of QSDC, and then present its evolution, including its security proof, its performance improvement techniques, and practical implementation. Finally, we discuss the future directions of QSDC.

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