Reconfigurable free-space quantum cryptography system

Paul G Kwiat (Inventor), Daniel J Gauthier (Inventor)

Research output: Patent

Abstract

A system, and methods, for transmitting encrypted information as a quantum transmission between a first node and a second node, or among more than two nodes. Each node is characterized by an instantaneous spatial position, and the instantaneous spatial position of the second node is repositionable within a frame of reference associated with the first node. A hovering drone is adapted either for running a quantum key transmission protocol in secure communication with the first node, and/or for running a quantum key reception protocol in secure communication with the second node. Either drone may serve as a relay of optical data between a base station and another drone. Secure communication among more than two nodes may be reconfigured.
Original languageEnglish (US)
U.S. patent number10333701
StatePublished - Jun 25 2019

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