ALEXANDRIA, Va., June 6 -- United States Patent no. 12,282,195, issued on April 22, was assigned to TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY LTD. (Hsinchu, Taiwan).
"Method of using photonic integrated circuit having redundant light path" was invented by Weiwei Song (Hsinchu, Taiwan) and Stefan Rusu (Hsinchu, Taiwan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method of using an integrated circuit includes monitoring a current between a first photodetector (PD) and an electronic circuit. The method further includes determining whether the monitored current is abnormal. The method further includes controlling a resonant structure to optically couple a first waveguide connected to the first PD to a secon...