| 摘要 |
A VSCEL capable of being easily and inexpensively manufactured and of stabilizing the polarization direction of laser light in one direction is provided. The Vertical Cavity Surface Emitting Laser includes a semiconductor lamination structure including a first multilayer film reflector, an active layer having a light emitting region, and a second multilayer film reflector in this order over a substrate from the substrate side. The semiconductor lamination structure has a pair of grooves provided with a region opposed to the light emitting region in between, and one or a plurality of first oxidation layers including a first non-oxidation region provided at least in a region opposed to the light emitting region and a first oxidation region provided on each side face of the pair of grooves.
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