ALEXANDRIA, Va., Dec. 2 -- United States Patent no. 12,489,272, issued on Dec. 2, was assigned to Lumentum Operations LLC (San Jose, Calif.).

"Strain polarized vertical cavity surface emitting laser" was invented by Eric R. Hegblom (Sunnyvale, Calif.) and Yeyu Zhu (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some implementations, an emitter device includes a substrate layer and epitaxial layers on the substrate layer. The epitaxial layers may include a first mirror, a second mirror, and an active layer between the first mirror and the second mirror. The epitaxial layers may include at least one oxidation layer including a first oxidized region and a second oxidized region separate from...