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Time-resolved study of stimulated emission in ZnSe/Zn(S,Se) superlattices

Abstract:
The time evolution of the stimulated emission in ZnSe/Zn(S,Se) superlattices has been studied by picosecond photoluminescence spectroscopy. ?The threshold of the stimulated emission is characterised by a sharp decrease of the transition lifetime from 150 ps to less than 30 ps at a carrier density of about 10(12) cm(-2). While the experimental results are consistent with a stimulated emission process due to excitons, they show no evidence of electron-hole plasma recombination.
Publication status:
Published

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Authors


Dabbicco, M More by this author
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Institution:
University of Oxford
Department:
Oxford, MPLS, Engineering Science
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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
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Volume:
159
Issue:
1-4
Pages:
657-660
Publication date:
1996-02-05
DOI:
ISSN:
0022-0248
URN:
uuid:6ec54110-43ee-4ebe-a585-b43bcc5a7800
Source identifiers:
15240
Local pid:
pubs:15240

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