ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,704, issued on June 17, was assigned to SAMSUNG ELECTRONICS Co. LTD. (Suwon-si, South Korea).

"Tunable laser source and light steering apparatus including the same" was invented by Dongjae Shin (Seoul, South Korea), Hyunil Byun (Seongnam-si, South Korea) and Changgyun Shin (Anyang-si, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided is a tunable laser source including a plurality of optical waveguides, at least three optical resonators provided between the plurality of optical waveguides and optically coupled to the plurality of optical waveguides, the at least three optical resonators having different lengths, and at least one op...