US Patent Issued to NTT on Oct. 14 for "Optical transmitter, optical access system, and optical transmission method" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,197, issued on Oct. 14, was assigned to NTT Inc. (Tokyo).

"Optical transmitter, optical access system, and optical transmission method" was invented by Masamichi Fujiwara (Musashino, Japan) and Takuya Kanai (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical transmitting device includes a plurality of optical transmitting units that output optical signals with different wavelengths, a multiplexer that wavelength-multiplexes the plurality of the optical signals output from the plurality of optical transmitting units, and an amplifying unit that amplifies the wavelength-multiplexed optical signal, in which the plurality of opti...