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US Patent 7831048 Secure quantum key distribution using entangled photons

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Is a
Patent
Patent

Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7831048
Date of Patent
November 9, 2010
Patent Application Number
11013946
Date Filed
December 17, 2004
Patent Citations Received
‌
US Patent 11962689 Quantum communications system having at least one waveplate to alter pulse polarization and associated methods
0
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US Patent 12124921 Information security using quantum encoding
0
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US Patent 11784806 Quantum network devices, systems, and methods
Patent Primary Examiner
Jung Kim
Jung Kim
Patent abstract

A system and method of implementing quantum key distribution are provided that possess increased data rates and enhanced security. These increased data rates are provided through the use of biphotons. Through encoding bits of information on the intra-biphoton delay time and enabling separate polarization bases for each of the photons comprising each biphoton, the system and method increase data bandwidth available for quantum key distribution.

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