ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,526,051, issued on Jan. 13, was assigned to NEC Corp. (Tokyo).
"Optical repeater and optical communication system" was invented by Takeshi Takeuchi (Tokyo) and Satoshi Mikami (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "An object is to provide an optical repeater that improves the fault/tolerance of a plurality of excitation light sources while sharing the excitation light sources among a plurality of optical fibers. An optical repeater includes excitation light sources, optical amplification units, and an optical distribution unit. The optical amplification units amplify optical signals by using lights output from the excitation light sources....