Waveguide-type optical path converter for converting a propagation direction of a light

摘要

A cladding layer covers a part of a substrate and two core layers are formed in the cladding layer. The two core layers merge with each other and a head of a common part of the two core layers appears on a side wall of the cladding layer. A guide portion is located near the side wall. A reflective body having an end face coated with a reflective film is positioned by the guide portion so that the head of a common part of the two core layers adheres to the reflective film.