US Patent Issued to NEC on May 12 for "Reception apparatus, transmission apparatus, quantum key distribution system, and peak position detection method" (Japanese Inventor)

ALEXANDRIA, Va., May 12 -- United States Patent no. 12,627,479, issued on May 12, was assigned to NEC Corp. (Tokyo).

"Reception apparatus, transmission apparatus, quantum key distribution system, and peak position detection method" was invented by Shinya Hirashita (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure includes a reception apparatus performing homodyne detection of a first beam transmitted from a transmission apparatus by using a second beam transmitted from the transmission apparatus and having an optical intensity higher than the first beam, and detecting a peak position, which is a timing at which there is a local maximum or a local minimum in an amplitude of a signal...