Quantum key distribution with continuous variables

T.C. Ralph

Quantum Electronics and Laser Science Conference
OSA Technical Digest (Optica Publishing Group, 2000),
paper QThI30

Quantum key distribution with continuous variables

T.C. Ralph

Quantum Electronics and Laser Science Conference 2000

San Francisco, California United States
7–11 May 2000
ISBN: 1-55752-608-7

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Poster Session 3 (QThI)

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T. C. Ralph, "Quantum key distribution with continuous variables," in Quantum Electronics and Laser Science Conference, T. Gallagher, H. Van Driel, H. Gibbs, and D. Wineland, eds., OSA Technical Digest (Optica Publishing Group, 2000), paper QThI30.

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Abstract

Quantum cryptographic schemes use fundamental properties of quantum mechanics to ensure the protection of random number keys.¹ In particular the act of measurement in quantum mechanics inevitably disturbs the system. Further more, for single quanta such as a photon, simultaneous measurements of noncommuting variables are forbidden.

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