Semiconductor laser having two or more laser diode portions and a manufacturing method for the same

摘要

The semiconductor laser according to the present invention has a substrate used as a shared base, on which an infrared laser diode portion and a red laser diode portion are formed apart from each other. The top surfaces of the laminated layers of the individual laser diode portions have different height positions in the thickness direction of the substrate in relation to the reference point Bf. Neighboring members are formed on the outer edge of the laser, sandwiching therebetween where the laser diode portions are formed. The top surface positions of the neighboring members are all set to the same height which is higher than or equal to the top surface position of the higher laser diode portion of the two.