US Patent Issued on Sept. 1 for "Method and system for ongoing spectral feedback and control during quantum key distribution using data analysis" (Canadian Inventors)

ALEXANDRIA, Va., Sept. 1 -- United States Patent no. 12,725,069, issued on Sept. 1.

"Method and system for ongoing spectral feedback and control during quantum key distribution using data analysis" was invented by Jordan Daniel Smith (Calgary, Canada), Daniel Oblak (Calgary, Canada), Anuj Sethia (Calgary, Canada), Hanen Chenini (Calgary, Canada), Ashutosh Singh (Calgary, Canada) and Itzel Lucio Martinez (Calgary, Canada).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention provides a quantum communication system and associated methods for securely establishing a cryptographic key between two or more transmitters and a receiver. Each transmitter emits qubit signals from a light source within de...