US Patent 9429711 Optical device, optical connector assembly, and optical connecting method

An optical device includes a substrate including a waveguide array formed therein, each waveguide having a reflective surface; a lens array unit including a waveguide-side lens array arranged facing the waveguide array so each lens of the lens array is aligned with the corresponding reflective surface; and a connector unit including an optical transmission path-side lens array arranged and fixed so each lens of the lens array is aligned with the corresponding lens in the waveguide-side lens array, the plurality of inserted optical transmission paths aligned with the corresponding lens in the optical transmission path-side lens array.