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Ultrafast electric field induced nonlinear response in ZnSe/ZnSeS superlattices

Abstract:
We report the observation of an ultrafast optical nonlinearity in ZnSe/ZnSeS superlattices which arises from the generation of an internal field due to charge separation caused by preferential hole trapping. The absorption recovery is extremely fast, ∼ 650 fs, being due to the subsequent localisation of electrons.

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Authors


Stevens, CJ More by this author
Dabbicco, M More by this author
Taylor, RA More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Journal:
Journal of Crystal Growth
Volume:
159
Issue:
1-4
Pages:
835-838
Publication date:
1996-02-05
ISSN:
0022-0248
URN:
uuid:1cade93b-3261-4c7b-95ab-6644c1385743
Source identifiers:
134701
Local pid:
pubs:134701
Language:
English

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