Semiconductor optical element, semiconductor optical element forming structure, and method for manufacturing semiconductor optical element using the same

A semiconductor optical element forming structure, comprising:

• a first conductivity type semiconductor wafer;
• and
• a laminated body on the first conductivity type semiconductor wafer,
• wherein the laminated body including comprises, in the following order from a side of the first conductivity type semiconductor wafer:
• a first conductivity type semiconductor layer;
• an active layer;
• a second conductivity type semiconductor layer;
• and
• a second conductivity type contact layer, wherein
• the second conductivity type semiconductor layer comprises:
• a carbon-doped semiconductor layer in which carbon is doped as a dopant in a compound semiconductor;
• a first group 2 element-doped semiconductor layer in which a group 2 element is doped as a dopant in a compound semiconductor;
• a current blocking layer;
• and
• a second group 2 element-doped semiconductor layer, wherein
• the current blocking layer is disposed between the first group 2 element-doped semiconductor layer and the second group 2 element-doped semiconductor layer, and
• the carbon-doped semiconductor layer is disposed at a position closer to the active layer than the first group 2 element-doped semiconductor layer.