Optoelectronic waveguiding device, structural body including the same, and optical module

A semiconductor optical device mounting structure, comprising:

• a ridge type semiconductor laser device and a mounting plate on which a second electrode is formed,
• wherein said ridge type semiconductor laser device comprises
• an active layer,
• a clad layer formed over said active layer,
• a surface dielectric film formed over said active layer,
• a first electrode of a p-side electrode which is formed over said clad layer and is elongated toward a peripheral region of said ridge type semiconductor laser device, and
• an electrode protection dielectric film which is formed over said clad layer,
• wherein said surface dielectric film is removed at a top surface of a ridge type waveguide,
• wherein said electrode protection dielectric film is selectively removed so that only the area above the ridge type waveguide remains coated, and
• wherein said ridge type semiconductor laser device is mounted on said mounting plate in junction down form by mounting said p-side electrode of said ridge type semiconductor laser device on the second electrode of said mounting plate by using solder metal.

A mounting method of a semiconductor optical device mounting structure, comprising:

• preparing a semiconductor laser device and a mounting plate on which a second electrode is formed, wherein
• said semiconductor laser device comprises:
• an active layer,
• a clad layer formed over said active layer,
• a surface dielectric film over said active layer,
• a first electrode which is formed over said clad layer and is elongated toward peripheral region of said semiconductor laser device, and
• an electrode protection dielectric film which is formed over said surface dielectric film and said clad layer;
• wherein
• said surface dielectric film is removed at a top surface of an active region of said semiconductor laser device,
• said electrode protection dielectric film is selectively removed so that the area above the active region remains coated, and
• mounting said semiconductor laser device on said mounting plate in junction down form by mounting said first electrode of said semiconductor laser device on the second electrode of said mounting plate by using solder metal.

Mounting method of a semiconductor optical device, comprising:

• preparing a ridge type semiconductor laser device and a mounting plate on which a second electrode is formed;
• said ridge type semiconductor laser device comprising;
• an active layer,
• a clad layer formed over said active layer,
• a surface dielectric film formed over said active layer,
• a first electrode of a p-side electrode which is formed over said clad layer and is elongated toward peripheral region of said ridge type semiconductor laser device, and
• an electrode protection dielectric film which is formed over said clad layer,
• wherein
• said surface dielectric film is removed at a top surface of a ridge type waveguide, and
• said electrode protection dielectric film is selectively removed so that only the area above the ridge waveguide remains coated, and
• mounting said ridge type semiconductor laser device on said mounting plate in junction down form by mounting said p-side electrode of said ridge type semiconductor laser device on the second electrode of said mounting plate by using solder metal.