Systems and methods for framing quantum cryptographic links
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United States of America Patent
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Issued Date -
Sep 1, 2005
app pub date -
Nov 10, 2004
filing date -
Oct 15, 2002
priority date (Note) -
Abandoned
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Abstract
An optical transmitter includes a transmitting unit and a processing unit. The transmitting unit transmits multiple optical synchronization pulses at a first intensity, and transmits multiple optical quantum cryptographic key distribution (QKD) pulses at a second intensity. The processing unit encodes a cryptographic key symbol in a quantum state of each QKD pulse of the QKD pulses, and delays transmission of each of the multiple optical synchronization pulses a derived interval after transmission of a corresponding one of the multiple QKD pulses.
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