Optical semiconductor device, optical transmission device equipped with optical semiconductor device, and method for manufacturing optical transmission device

Abstract

A method for manufacturing an optical transmission device of the present disclosure includes the steps of: disposing an optical semiconductor device on a sub-mount, the optical semiconductor device including a semiconductor laser formed above a semiconductor substrate, an optical modulation element formed above the semiconductor substrate, an electrostatic discharge withstand element formed above the semiconductor substrate, and a temporary electrode electrically connecting the optical modulation element and the electrostatic discharge withstand element in parallel; connecting electrically the optical semiconductor device and a drive circuit; and cutting electrically the temporary electrode of the optical semiconductor device disposed on the sub-mount.

Dependencies are inferred from the claim text.