US Patent Issued to NEC on Sept. 23 for "Optical amplification device and optical amplification method" (Japanese Inventor)

ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,424,812, issued on Sept. 23, was assigned to NEC Corp. (Tokyo).

"Optical amplification device and optical amplification method" was invented by Satoshi Mikami (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "To limit the number of excitation laser diodes (LDs) in an optical amplification device provided with a redundant excitation LD configuration, the optical amplification device is provided with: an excitation unit which outputs a plurality of excitation lights generated by a plurality of excitation light sources; a first distributing unit of which inputs are connected to the plurality of excitation light sources and which branches input lights ...