Semiconductor laser array device
US4813051A · kind A · utility
6Cited by
1References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 20, 1987 |
| Grant date | Mar 14, 1989 |
| Priority date | — |
| Expiry date | Jan 20, 2007 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/22
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A semiconductor laser array device comprising an active waveguide extending from one light-emitting facet to the other light-emitting facet, wherein said active waveguide is composed of a single main portion extending in the oscillation direction from said one light-emitting facet and constituting a loss waveguide, and a plurality of parallel branching portions extending from the end of said main portion to said other light-emitting facet and constituting a real index waveguide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.