US Patent Issued to NEC on Dec. 30 for "Light source device, optical device, control light generation method, and monitoring light generation method" (Japanese Inventor)

ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,513,438, issued on Dec. 30, was assigned to NEC Corp. (Tokyo).

"Light source device, optical device, control light generation method, and monitoring light generation method" was invented by Taketo Onuma (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Since it is difficult to constantly monitor a large number of unused fiber optic transmission lines in an optical submarine cable system, a light source device according to the present invention includes: a light generation unit for generating amplified spontaneous emission light; a light control unit for controlling the band power of the amplified spontaneous emission light and generating waveform sh...