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Four-photon interferometry for secure quantum key distribution
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DOI：10.1364/OE.10.001222.png)
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摘要
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We introduce a quantum key distribution scheme based on four-photon coincidence measurements. This scheme offers a much higher degree of security than current quantum key distribution methods and minimizes problems due to photon losses and dark counts. (C) 2002 Optical Society of America.
Keyword:
PARAMETRIC DOWN-CONVERSION
4-PHOTON ENTANGLEMENT
CRYPTOGRAPHY
GENERATION
STATES
TIME
