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Conference Paper
Frontiers in Optics
Rochester, New York
October 12, 2004
ISBN: 1-55752-779-2
Quantum Optics (FMO)

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

OCIS Codes
(030.0030) Coherence and statistical optics : Coherence and statistical optics
(030.1640) Coherence and statistical optics : Coherence
(270.0270) Quantum optics : Quantum optics
(270.5290) Quantum optics : Photon statistics

Citation
Z. Y. Ou, "Modified coherent state for improvement of quantum cryptography and generation of 3-photon entangled state," in Frontiers in Optics 2004/Laser Science XXII/Diffractive Optics and Micro-Optics/Optical Fabrication and Testing, OSA Technical Digest Series (Optical Society of America, 2004), paper FMO4.
http://www.opticsinfobase.org/abstract.cfm?URI=FiO-2004-FMO4


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