A high-output semiconductor laser of dove tail groove type
US4716571A · kind A · utility
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Key dates
| Filing date | Jul 16, 1986 |
| Grant date | Dec 29, 1987 |
| Priority date | — |
| Expiry date | Jul 16, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/2234
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A semiconductor substrate having a groove with a dove-tail-shaped cross section is used as a substrate and thereon, several epitaxial layers including an active layer are formed and a current injection region is formed immediately above the groove; the semiconductor laser attains a high power lasing with the fundamental transverse mode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.