Journal article
Management of the electrical injection uniformity in broad-area top-emitting VCSELs
In
European Physical Journal D
—
2010, Volume 59, Issue 1, pp. 53-57
Abstract
The electrical properties of broad-area 850 nm top emitting VCSELs have been investigated in order to improve carrier injection uniformity in their active zone. First, we have demonstrated using an electrical simulation tool that a multi-point localized injection design associated with a spreading layer at the top of the device (ITO) can lead to a significant improvement of carrier injection and on its spatial distribution.
Secondly, the electrical contrast achievable by applying this method with localized etchings has been experimentally measured. Finally, stripe-shaped devices with output power up to 50 mW in a continuous-wave operation at room temperature have been demonstrated.
| Language: | English |
|---|---|
| Publisher: | Springer-Verlag |
| Year: | 2010 |
| Pages: | 53-57 |
| Journal subtitle: | Atomic, Molecular, Optical and Plasma Physics |
| ISSN: | 14346079 and 14346060 |
| Types: | Journal article |
| DOI: | 10.1140/epjd/e2010-00149-9 |
