Abstract
We report the observation of optical gain in the transparency region of GaAs highly excited by femtosecond pulses just below the excitonic resonance. We discuss the origin of the observed signal and attribute it to hyper-Raman type gain.
| Original language | English |
|---|---|
| Pages (from-to) | 71-75 |
| Number of pages | 5 |
| Journal | Physica Status Solidi (B) Basic Research |
| Volume | 206 |
| Issue number | 1 |
| DOIs | |
| Publication status | Published - 1 Jan 1998 |