US Patent Issued to LG Electronics on May 6 for "Method and device for multi-wavelength plug-and-play quantum key distribution without time delay due to wavelength conversion" (South Korean Inventors)

ALEXANDRIA, Va., June 10 -- United States Patent no. 12,294,414, issued on May 6, was assigned to LG Electronics Inc. (Seoul, South Korea).

"Method and device for multi-wavelength plug-and-play quantum key distribution without time delay due to wavelength conversion" was invented by Byungkyu Ahn (Seoul, South Korea), Sangrim Lee (Seoul, South Korea), Hojae Lee (Seoul, South Korea) and JaYeong Kim (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present specification provides a method and a device, the method, performed by a device, for transmitting a first pulse train in a quantum communication system being characterized by: receiving a random access (RA) preamble from another device; t...