Disclosed is an optical communication module comprising: an active optical device includes a first optical waveguide through which light passes; and an optical waveguide device including a second optical waveguide, the second optical waveguide having an input end surface through which the light emitted from an output end of the first optical waveguide is incident to the second optical waveguide, wherein the output end of the first optical waveguide has a first unit vector which represents a direction in which light passing a predetermined first point on the output end proceeds.