Abstract
We show how a structural element introduced into a vertical cavity surface emitting laser (VCSEL) results in the device operating in single stable high-order mode. The results from a 55 μm diameter device, λ=772nm, are presented. The stability of the mode structure is investigated as a function of injection current. A simple theory, based on a modal loss discrimination mechanism in VCSELs with slightly perturbed mirrors, is used to explain the preferred lasing mode in VCSEL structures using a central etched well.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 3425-3427 |
| Number of pages | 3 |
| Journal | Applied Physics Letters |
| Volume | 72 |
| Issue number | 26 |
| DOIs | |
| State | Published - 1998 |
ASJC Scopus subject areas
- Physics and Astronomy (miscellaneous)
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