Abstract
We have used optically excited ultrashort electrical pulses to measure the magnetoplasmon resonance of a two-dimensional electron gas formed in an AlGaAs/GaAs heterostructure at frequencies up to 200 GHz. This is accomplished by incorporating the sample into a guided wave probe operating in a pumped (formula presented) system. We are able to detect the resonance by launching a stimulus pulse in the guide, and monitoring the system response in a time-resolved pump-probe arrangement. Data obtained from measurements yield resonant frequencies that agree with the magnetoplasmon dispersion relation.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1-3 |
| Number of pages | 3 |
| Journal | Physical Review B - Condensed Matter and Materials Physics |
| Volume | 66 |
| Issue number | 4 |
| DOIs | |
| State | Published - 2002 |
All Science Journal Classification (ASJC) codes
- Electronic, Optical and Magnetic Materials
- Condensed Matter Physics