US Patent Issued to NEC on Feb. 3 for "Shared information generation in continuous-variable quantum key distribution system" (Japanese Inventors)

ALEXANDRIA, Va., Feb. 3 -- United States Patent no. 12,542,659, issued on Feb. 3, was assigned to NEC Corp. (Tokyo).

"Shared information generation in continuous-variable quantum key distribution system" was invented by Wakako Yasuda (Tokyo) and Tetsuo Kawakami (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Shared information generation technique including key generation rate and soft-decision error correction in CV-QKD is disclosed. A receiver is configured to: set reference bit positions for basis reconciliation according to the reference bit positions with a transmitter, to generate sifted key quantization data; performs hard decision on a part of the sifted key quantization data to generate hard-d...