ALEXANDRIA, Va., Feb. 24 -- United States Patent no. 12,562,893, issued on Feb. 24, was assigned to Arqit Ltd. (London).
"QKD switching system" was invented by Andrew Yeomans (Hertfordshire, Great Britain), Daryl Burns (Gloucestershire, Great Britain) and David Williams (Surrey, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "A quantum key distributed (QKD) apparatus for use with at least two endpoint devices, the apparatus including QKD links each having a communication medium with a quantum channel and a classical channel, wherein each endpoint has a QKD link connected to the QKD apparatus; transmitters to transmit quantum transmissions over a quantum channel of one of the QKD links; a classic...