US Patent Issued to NEC on June 30 for "Dummy-light generation device, optical transmission system, and dummy-light generation method" (Japanese Inventor)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,671,516, issued on June 30, was assigned to NEC Corp. (Tokyo).

"Dummy-light generation device, optical transmission system, and dummy-light generation method" was invented by Tatsuya Yamazaki (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "The dummy-light generation device includes an ASE light source that generates ASE light, and a spectrum processing circuit that generates dummy light transmitted together with signal light by processing a spectrum of the ASE light, and the spectrum processing circuit processes the spectrum of the ASE light in advance in such a way that a spectrum of the dummy light and a spectrum of the signal light can be disti...