US Patent Issued to NEC on May 5 for "Optical communication apparatus, optical communication system, and optical communication method" (Japanese Inventor)

ALEXANDRIA, Va., May 5 -- United States Patent no. 12,621,058, issued on May 5, was assigned to NEC Corp. (Tokyo).

"Optical communication apparatus, optical communication system, and optical communication method" was invented by Tatsunori Omiya (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "There are provided an optical communication apparatus, an optical communication system, and an optical communication method that are capable of suppressing deterioration in quality of an output signal.An optical relay apparatus includes a coherent receiver front-end unit that coherently detects an input optical signal to be input, based on local oscillation light, a coherent transmitter front-end unit that coherent...