ALEXANDRIA, Va., June 19 -- United States Patent no. 12,334,713, issued on June 17, was assigned to Lumentum Operations LLC (San Jose, Calif.).

"Methods for forming a vertical cavity surface emitting laser device" was invented by Benjamin Kesler (Sunnyvale, Calif.), Ajit Vijay Barve (San Jose, Calif.), Jun Yang (Cupertino, Calif.), Guowei Zhao (Milpitas, Calif.) and Matthew Glenn Peters (Menlo Park, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method of forming a VCSEL device cavity using a multiphase growth sequence includes forming a first mirror over a substrate, forming a tunnel junction over the first mirror, forming an oxidation aperture (OA) layer over the tunnel junction, forming a p-doped...