ALEXANDRIA, Va., Nov. 18 -- United States Patent no. 12,476,437, issued on Nov. 18, was assigned to Sumitomo Electric Industries Ltd. (Osaka, Japan).
"Vertical cavity surface emitting laser" was invented by Takeshi Aoki (Osaka, Japan).
According to the abstract* released by the U.S. Patent & Trademark Office: "A vertical cavity surface emitting laser includes a post provided at a major surface of a substrate and extending along a first axis intersecting the major surface of the substrate, and an electrode provided at an upper surface of the post and surrounding the first axis. The post includes a first distributed Bragg reflector, an active layer, a current confinement layer, and a second distributed Bragg reflector. The substrate, the fi...