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Quantum communication is the most advanced area of quantum information processing and quantum computing. This is where the most fundamental features of quantum mechanics are only a short step away from spectacular practical applications. We have already seen two such applications: dense coding and teleportation. In this chapter we shall deal with what is arguably the most successful area of all of quantum information and quantum computing: quantum cryptography.
KeywordsSpectacular Practical Applications Quantum Secret Sharing Ancilla Qubits Classical Cryptographic Protocols Optimal Unambiguous State Discrimination
- 2.C.H. Bennett, G. Brassard, Quantum Cryptography: Public Key Distribution and Coin Tossing. In Proceedings of IEEE International Conference on Computers, Systems, and Signal Processing, Bangalore, India, December 1984 (IEEE, New York, 1984), p. 175Google Scholar