ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,504,579, issued on Dec. 23, was assigned to TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD. (Hsinchu, Taiwan).
"Wavelength tuning in silicon photonics" was invented by Beih-Tzun Lin (Hsinchu, Taiwan), Chi-Yuan Shih (Hsinchu, Taiwan), Feng Yuan (Hsinchu, Taiwan) and Shih-Fen Huang (Zhubei, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of wavelength tuning in a silicon photonics circuit includes receiving a bus waveguide, a ring resonator optically coupled to the bus waveguide, and a dielectric layer over the bus waveguide and over the ring resonator. The method further includes performing a first heat process at a first temperature to he...