Abstract
The Letter reports the fabrication and low divergence operation of an electrically pumped circular grating surface emitting DBR laser on an InGaAs/GaAs SQW structure. A threshold current below 85 mA, output power of more than 20 mW and a divergence of less than 1° FWHM were obtained.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1412-1414 |
| Number of pages | 3 |
| Journal | Electronics Letters |
| Volume | 29 |
| Issue number | 16 |
| DOIs | |
| State | Published - Aug 1993 |
| Externally published | Yes |
Keywords
- Circular gratings
- Semiconductor lasers
ASJC Scopus subject areas
- Electrical and Electronic Engineering