US Patent Issued to Nokia Solutions and Networks on Feb. 17 for "Optical device with vertical waveguide structure" (German Inventor)

ALEXANDRIA, Va., Feb. 17 -- United States Patent no. 12,554,173, issued on Feb. 17, was assigned to Nokia Solutions and Networks Oy (Espoo, Finland).

"Optical device with vertical waveguide structure" was invented by Alessandro Aimone (Berlin).

According to the abstract* released by the U.S. Patent & Trademark Office: "An optical device includes a semiconductor substrate having a major surface, and an optical waveguide structure on the major surface. The optical waveguide structure comprises a lower optical core, an upper optical core, and an intermediate optical cladding, where the upper optical core is vertically above the lower optical core and the intermediate optical cladding separates and is in contact with the optical cores. The op...