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US 2006/0221438 A1Published application
Semiconductor device
AssigneeFujitsu Limited
InventorTomoyuki Akiyama
Life of this patent
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Abstract
In a semiconductor device comprising a semiconductor optical amplifier, in order to allow a photodetector to be integrated without causing power loss at a low cost, the semiconductor device comprises a semiconductor substrate, a semiconductor optical waveguide, at least partly capable of functioning as a semiconductor optical amplifier, to guide signal light, and a photodetector provided in a region other than a region where the semiconductor optical waveguide is provided, wherein the semiconductor optical waveguide and the photodetector are integrated on the semiconductor substrate.
Claims14
A semiconductor device comprising:
- a semiconductor substrate;
- a semiconductor optical waveguide, at least partly capable of functioning as a semiconductor optical amplifier, to guide signal light;
- and
- a photodetector provided in a region other than a region where said semiconductor optical waveguide is provided,
- wherein said semiconductor optical waveguide and said photodetector are integrated on said semiconductor substrate.
2 more elements
Dependencies are inferred from the claim text.