Subpicosecond photoconductivity overshoot in gallium arsenide observed by electro-optic sampling
- 5 December 1988
- journal article
- research article
- Published by AIP Publishing in Applied Physics Letters
- Vol. 53 (23) , 2254-2256
- https://doi.org/10.1063/1.100270
Abstract
Electro‐optic sampling of photoconductive transients on a subpicosecond time scale is used to study hot‐carrier transport in GaAs. The results reported here are interpreted as direct time‐domain observations of nonequilibrium transport on a subpicosecond time scale and they clearly show both an overshoot and bias‐dependent delay at high excitation energy which are consistent with published Monte Carlo predictions.Keywords
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