Abstract
Wide wavelength tunability of single-and two-color operating vertical-external-cavity-surface-emitting lasers (VECSELs) is demonstrated. Employing an external feedback based on a diffractive grating outside the cavity of a narrow-line single-color VECSEL allows for a continuous tuning of the emission wavelength over 10 nm. Employing a dual-feedback-configuration for tunable two-color emission, a tunability of the difference frequency between the two lasing wavelengths from 300 gigahertz to up to 3.5 terahertz is demonstrated.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 25-27 |
| Number of pages | 3 |
| Journal | Optics letters |
| Volume | 37 |
| Issue number | 1 |
| DOIs | |
| State | Published - Jan 1 2012 |
ASJC Scopus subject areas
- Atomic and Molecular Physics, and Optics