Semiconductor laser apparatus
Abstract:
A semiconductor laser apparatus includes a semiconductor optical integrated device including a semiconductor laser array including a plurality of semiconductor laser elements, a semiconductor arrayed waveguide grating, made of a semiconductor, including an inputting slab waveguide connected to the plurality of the semiconductor laser elements, an array waveguide connected to the inputting slab waveguide and including a plurality of waveguides having different lengths from each other and arranged in a parallel manner, and an outputting slab waveguide connected to the array waveguide; a substrate on which the semiconductor laser array and the semiconductor arrayed waveguide grating are monolithically integrated; and an output facet outputting a laser light emitted from the semiconductor laser elements and including an output end of the outputting slab waveguide.
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