Exciton–polariton behaviour in bulk and polycrystalline ZnO
✍ Scribed by Enda McGlynn; James Fryar; Martin O. Henry; Jean-Paul Mosnier; James G. Lunney; Donagh O’ Mahony; Eduardo dePosada
- Publisher
- Elsevier Science
- Year
- 2003
- Tongue
- English
- Weight
- 231 KB
- Volume
- 340-342
- Category
- Article
- ISSN
- 0921-4526
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We present a full analysis of exciton dynamics in a GaAs λ/2 bulk microcavity following excitation by ultrafast laser pulses. Coherent dynamics was probed by means of an interferometric technique; beating and dephasing times were studied for various excitation intensities. At high incident power, po
## Abstract We study the propagation of exciton‐polaritons through bulk ZnO using time‐resolved photoluminescence (PL) complemented by time‐of‐flight measurements of laser pulses. When the photon energy approaches donor bound exciton resonances, substantial time delays in PL light propagation are o