Optical semiconductor device and a method of manufacturing the same
US5987046A · kind A · utility
54Cited by
5References
33Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 2, 1997 |
| Grant date | Nov 16, 1999 |
| Priority date | — |
| Expiry date | Apr 2, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S438/942
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical semiconductor device of the present invention is provided with a core layer having a quantum well layer in that film thickness gets thinner from a inner region to an end portion in an optical waveguide region.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.