US Patent Issued to FINITY on July 14 for "Wavelength converter and optical transmission system" (Japanese Inventor)

ALEXANDRIA, Va., July 14 -- United States Patent no. 12,681,358, issued on July 14, was assigned to FINITY Inc. (Kawasaki, Japan).

"Wavelength converter and optical transmission system" was invented by Tomoyuki Kato (Yokohama, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A wavelength converter includes: a first multiplexer that combines input signal light with wavelength-conversion excitation light; a second multiplexer that combines the signal light with Raman excitation light; a first nonlinear optical medium that generates wavelength-converted light of the signal light, based on a nonlinear optical effect; and a second nonlinear optical medium that amplifies wavelength-converted light of the signa...