US Patent Issued to Lumentum Operations on Jan. 28 for "High efficiency vertical grating coupler for flip-chip application" (New Jersey Inventors)

ALEXANDRIA, Va., Jan. 29 -- United States Patent no. 12,210,197, issued on Jan. 28, was assigned to Lumentum Operations LLC (San Jose, Calif.).

"High efficiency vertical grating coupler for flip-chip application" was invented by Guilhem De Valicourt (Jersey City, N.J.) and Michael Kossey (Belmar, N.J.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and system for forming a photonic device. A photonic device may include a substrate, a cladding layer disposed on the substrate, an electrical device region formed within the cladding layer, the electrical device region having a plurality of electrical device component layers that include at least one metal layer, and a grating region formed within the cla...