US Patent Issued to Airbus on Sept. 30 for "Method, optical receiver, QKD pulse stream and QKD system" (French Inventors)

ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,984, issued on Sept. 30, was assigned to Airbus SAS (Blagnac, France).

"Method, optical receiver, QKD pulse stream and QKD system" was invented by Alberto Comin (Blagnac, France) and Nils Hellerhoff (Blagnac, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for Quantum Communication, including the steps: obtaining, by a detector, a base signal, wherein the base signal includes an indication of a background optical noise of a communication channel; determining, based on the obtained base signal, a width of a time gate value; applying to the detector the determined width of time gate; and obtaining a QKD signal including QKD signal puls...