Schroeder WA, Stark TS, Smirl AL. Hot-carrier enhancement of photorefractive space-charge fields in zinc-blende semiconductors.
OPTICS LETTERS 1991;
16:989-991. [PMID:
19776852 DOI:
10.1364/ol.16.000989]
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Abstract
We observe an order-of-magnitude enhancement of the photorefractive effect in undoped CdTe on ~1-ps time scales that is caused by an overshoot in the two-photon-produced Dember space-charge field associated with hot-carrier transport.
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