期刊
REVIEWS OF MODERN PHYSICS
卷 81, 期 3, 页码 1301-1350出版社
AMER PHYSICAL SOC
DOI: 10.1103/RevModPhys.81.1301
关键词
cryptographic protocols; information theory; quantum cryptography
Quantum key distribution (QKD) is the first quantum information task to reach the level of mature technology, already fit for commercialization. It aims at the creation of a secret key between authorized partners connected by a quantum channel and a classical authenticated channel. The security of the key can in principle be guaranteed without putting any restriction on an eavesdropper's power. This article provides a concise up-to-date review of QKD, biased toward the practical side. Essential theoretical tools that have been developed to assess the security of the main experimental platforms are presented (discrete-variable, continuous-variable, and distributed-phase-reference protocols).
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