US Patent Issued to Lumentum Operations on May 27 for "Mode-discriminating emitter device with an active emitter and a passive emitter" (California Inventors)

ALEXANDRIA, Va., June 17 -- United States Patent no. 12,316,078, issued on May 27, was assigned to Lumentum Operations LLC (San Jose, Calif.).

"Mode-discriminating emitter device with an active emitter and a passive emitter" was invented by Yeyu Zhu (San Jose, Calif.) and Chien-Yao Lu (San Jose, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "In some implementations, a vertical cavity surface emitting laser (VCSEL) device includes a substrate layer and a set of epitaxial layers disposed on the substrate layer. The VCSEL device may include an active VCSEL formed in the set of epitaxial layers, where the active VCSEL is configured such that electrical pumping that provides optical gain for lasing is to b...