(57) ABSTRACT A disclosed optical semiconductor device includes a first semiconductor
layer having a first refractive index and a first optical absorption coefficient; and a second …

An optical semiconductor device, including a first optical waveguide with a first width, a
second optical waveguide with a second width narrower than the first width with a bending …

An optical module comprising: an optical waveguide trans ports light, the optical waveguide
including a first mirror which reflects first light; an adhesive sheet formed over the optical …

A method of manufacturing a semiconductor optical device including a semiconductor layer
includes: forming a semiconductor layer; forming a first dielectric film on a first region of a …

An optical semiconductor device includes a first light receiving region and a second light
receiving region provided on a substrate and the first and second light receiving regions …

Provided are a semiconductor photodiode which achieves a higher response rate in a state
in which light receiving sensitivity is maintained. The semiconductor photodiode includes ap …

Provided are a semiconductor device and an optical sensor device, each having reduced
dark current, and detectivity extended toward longer wavelengths in the near-infrared …

US20040245530A1 - Optical semiconductor device and method of manufacturing same -
Google Patents US20040245530A1 - Optical semiconductor device and method of …

An optical element includes a first and a second layer in a first and a second region
respectively in light propagating direction; a first and a second core layer above the first and …

Provided is an optical semiconductor device which has long-term reliability since a threshold
current is small, and a relaxation oscillation frequency is high. An optical semi conductor …