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

Quantum key distribution with continuous variables

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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.

© 2000 Optical Society of America

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