Terahertz intra-exciton transitions: new views of ultrafast exciton dynamics

Terahertz intra-exciton transitions: new views of ultrafast exciton dynamics

We discuss experiments that resolve the time evolution of exciton populations by sensing transitions between the exciton's internal levels. The dynamical interplay of optically-induced excitons and unbound electron-hole pairs is investigated under various initial conditions.

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Bibliographische Detailangaben
Hauptverfasser: Kaindl, R.A., Carnahan, M.A., Hagele, D., Lovenich, R., Chemla, D.S.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Absorption
Excitons
Gallium arsenide
Optical pumping
Optical refraction
Optical sensors
Optical variables control
Pulse amplifiers
Refractive index
Ultrafast optics
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Beschreibung
Zusammenfassung:We discuss experiments that resolve the time evolution of exciton populations by sensing transitions between the exciton's internal levels. The dynamical interplay of optically-induced excitons and unbound electron-hole pairs is investigated under various initial conditions.
DOI:10.1109/QELS.2003.238388