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QUANTUM-AUTHENTICATED CLOCK SIGNAL

United States Patent Application

20170317814
A1
View the Complete Application at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
The present disclosure is directed to a system and method of distributing time information to enable synchronization in an authenticated manner via a quantum channel. A source device may transmit a timing signal, T on a communication channel from the source device to a receiver device. The timing signal T may be include a time or times stored in memory or calculated using a previously agreed upon formula. The method may include transmitting a quantum system Q from the source device to the receiver device. The quantum system may be prepared in a randomly chosen state and may be measured by the receiver device in a randomly chosen measurement basis.
Grice, Warren P. (Oak Ridge, TN), Pooser, Raphael C. (Knoxville, TN), Kuruganti, Phani Teja (Knoxville, TN), Evans, Philip G. (Knoxville, TN), Bobrek, Miljko (Knoxville, TN)
15/ 583,502
May 1, 2017
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH AND DEVELOPMENT [0002] this invention was made with government support under Contract No. DE-AC05-00OR22725 awarded by the U.S. Department of Energy. The government has certain rights in the invention.