US Patent Issued to 1FINITY on March 24 for "Raman amplifier, Raman amplification method, and Raman amplification system" (Japanese Inventors)

ALEXANDRIA, Va., March 24 -- United States Patent no. 12,586,974, issued on March 24, was assigned to 1FINITY INC. (Kawasaki, Japan).

"Raman amplifier, Raman amplification method, and Raman amplification system" was invented by Goji Nakagawa (Sagamihara, Japan) and Teppei Ohata (Fukuoka, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A Raman amplifier includes a first light source that outputs a primary pumping light, which propagates in a same direction as a propagation direction of a signal light, to an optical transmission line for Raman amplification, a second light source that outputs a secondary pumping light, which pumps and amplifies the primary pumping light and propagates in the same directio...