US Patent Issued to Arqit on April 14 for "QKD switching system and protocols" (British Inventors)

ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,766, issued on April 14, was assigned to Arqit Ltd. (London).

"QKD switching system and protocols" was invented by Andrew Yeomans (Hertfordshire, Great Britain), Daryl Burn (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 linking endpoint devices in a network, which includes: QKD links each including a quantum channel and a classical channel, wherein each endpoint has a QKD link; quantum transmitters to transmit quantum transmissions over a quantum channel of one of the QKD links; classical transceivers to transmit classical data o...