Semiconductor device integrating a laser and a transistor
Patent
·
OSTI ID:6339401
A semiconductor device composed of a transistor for modulation and a semiconductor laser as one body, in which on the uppermost layer of a semiconductor laser composed of a multilayer epitaxial wafer, there is provided a layer consisting of a semiconductor of different conductivity type from that of the uppermost layer and having a V-shaped groove filled with a semiconductor zone of the same conductivity type as that of the uppermost layer, and ohmic electrodes are provided on the back surface of the substrate of the semiconductor laser, the semiconductor layer of different conductivity type and the semiconductor zone of the same conductivity type.
- Assignee:
- Sumitoms Electric Industries, Ltd. (Japan)
- Patent Number(s):
- US 4521888
- OSTI ID:
- 6339401
- Country of Publication:
- United States
- Language:
- English
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