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Two-photon excitation of asymmetric GaN/AlGaN quantum discs

Abstract:
By using two-photon absorption spectroscopy we have performed time-integrated and time-resolved photolurninescence measurements on several coupled asymmetric GaN quantum discs, with embedded AlGaN barriers. We observe free-carrier screening, with an enhancement due to tunneling between the coupled quantum discs.
Publication status:
Published

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
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Volume:
893
Pages:
981-982
Publication date:
2007
ISSN:
0094-243X
URN:
uuid:addd195b-1ea3-4fc5-a5e5-f7f045f98954
Source identifiers:
26852
Local pid:
pubs:26852
ISBN:
978-0-7354-0397-0

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