Semiconductor optical device having an optical confinement structure
US5307200A · kind A · utility
17Cited by
4References
13Claims
0Family size
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Key dates
| Filing date | Apr 13, 1993 |
| Grant date | Apr 26, 1994 |
| Priority date | — |
| Expiry date | Apr 13, 2013 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB82Y20/00
- WIPO fieldMicro-structural and nano-technology
- WIPO sectorChemistry
Abstract
A planar semiconductor optical device for modulating an optical beam includes an active layer provided on a substrate, the active layer having a quantum structure and being laterally surrounded by an optical confinement region which has a refractive index smaller than the effective refractive index of the active layer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.