US Patent Issued to NTT on Oct. 6 for "Tunable light source and control method" (Japanese Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,756,155, issued on Oct. 6, was assigned to NTT Inc. (Tokyo).

"Tunable light source and control method" was invented by Yuta Ueda (Musashino, Japan) and Yusuke Saito (Musashino, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "In the wavelength variable light source and its control method of the present disclosure, intensity of oscillation light in a plurality of non-operating ports of MMI is utilized in consideration of filter characteristics between an operating port and a non-operating port that does not directly contribute to oscillation operation. By controlling the RTF laser so that the light intensity of the wavelength of the oscillation light ...