Abstract
Photoluminescence experiments were performed on high-quality InGaAs/GaAs periodic multiple quantum well structures with up to N = 100 quantum wells, where the exciton emission is strongly influenced by the coherent interwell coupling, showing up in multiple linesplitting and a crossing of the normal modes around Bragg resonance. For N≥30 and a certain distance between adjacent wells, a quadratic increase of the amplitude and an increasing directionality of the vertical emission are observed. The weakest emission occurs in Bragg resonance, where under resonant excitation, a strong superradiant reemission takes place.
| Original language | English (US) |
|---|---|
| Number of pages | 1 |
| State | Published - Jan 1 1999 |
| Event | Proceedings of the 1999 Quantum Electronics and Laser Science Conference (QELS '99) - Baltimore, MD, USA Duration: May 23 1999 → May 28 1999 |
Other
| Other | Proceedings of the 1999 Quantum Electronics and Laser Science Conference (QELS '99) |
|---|---|
| City | Baltimore, MD, USA |
| Period | 5/23/99 → 5/28/99 |
ASJC Scopus subject areas
- Physics and Astronomy(all)
Fingerprint Dive into the research topics of 'Signatures of polaritonic normal modes in the photoluminescence from periodic multiple quantum well structures following continuum excitation'. Together they form a unique fingerprint.
Cite this
Hubner, M., Ell, C., Prineas, J., Brick, P., Lee, E. S., Khitrova, G., Gibbs, H. M., Hoyer, W., Kira, M., & Koch, S. W. (1999). Signatures of polaritonic normal modes in the photoluminescence from periodic multiple quantum well structures following continuum excitation. Paper presented at Proceedings of the 1999 Quantum Electronics and Laser Science Conference (QELS '99), Baltimore, MD, USA, .