US Patent Issued to NTT on Nov. 3 for "Distributed optical amplifier, distributed optical amplifier system, and distributed optical amplification method" (Japanese Inventors)

ALEXANDRIA, Va., Nov. 3 -- United States Patent no. 12,785,350, issued on Nov. 3, was assigned to NTT Inc. (Tokyo).

"Distributed optical amplifier, distributed optical amplifier system, and distributed optical amplification method" was invented by Hiroto Kawakami (Musashino, Japan), Shoichiro Kuwahara (Musashino, Japan) and Yoshiaki Kisaka (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An aspect of the present invention is a distributed optical amplifier which includes: a pump light generator which generates pump light for optically exciting an optical transmission line; and a multiplexer which multiplexes n kinds (n is a positive integer) of light to be amplified and the pump light output ...