ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,396, issued on Nov. 4, was assigned to FUJITSU Ltd. (Kawasaki, Japan).
"Raman optical amplifier with fabry-perot pump laser" was invented by Youichi Akasaka (Plano, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "A fixed input current is provided to a pump laser of an optical pumping block. Further, a first tuning temperature is provided to the pump laser while providing the fixed input current. The first tuning temperature is based on a target band of a pumping beam and causes the pump laser to generate a light beam having a first frequency band that is dictated by the first tuning temperature and the fixed input current. Further, a second tuni...