Opto-electronic devices
US4794607A · kind A · utility
3Cited by
3References
20Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Jun 2, 1986 |
| Grant date | Dec 27, 1988 |
| Priority date | — |
| Expiry date | Jun 2, 2006 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01S5/50
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An optical amplifier takes the form of a semiconductor laser with coatings on its two facets. The coating takes the form of an anti-reflective coating, e.g. an oxide of Y, Gd, Nd, or La, to reduce the reflectivity and a thin interlayer, e.g. Al.sub.2 O.sub.3, to enhance compatibility between the laser and the anti-reflective coating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.