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Conferences > FiO > 2004 > FMO > FMO4
  • Frontiers in Optics 2004/Laser Science XXII/Diffractive Optics and Micro-Optics/Optical Fabrication and Testing
  • OSA Technical Digest Series (Optica Publishing Group, 2004),
  • paper FMO4
  • •https://doi.org/10.1364/FIO.2004.FMO4

Modified coherent state for improvement of quantum cryptography and generation of 3-photon entangled state

Z. Y. Ou

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Abstract

We study photon number distribution for Yuen’s two-photon coherent state. We find a multi-photon interference effect will cancel either the two-photon or the three-photon terms. Such a modified coherent state can be used for improving the security of quantum cryptography and for creating a three-photon entangled state.

© 2004 Optical Society of America

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