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Two-photon absorption in single site-controlled InGaN/GaN quantum dots

Abstract:

We present micro-photoluminescence measurements on single site-controlled InGaN/GaN quantum dots using two-photon excitation Furthermore, measurements of photoluminescence excitation and time-resolved photoluminescence are also presented. We show that two-photon excitation results in total suppression of the emission from the underlying quantum well, to which the quantum dots are couple, and yet strong quantum dot emission. We attribute this effect to the enhancement of the two-photon absorpt...

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Publication status:
Published

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Publisher copy:
10.1002/pssc.200562028

Authors


Jarjour, AF More by this author
Parker, TJ More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics, Condensed Matter Physics
Martin, RW More by this author
Watson, IM More by this author
Volume:
2
Issue:
11
Pages:
3843-3846
Publication date:
2005
DOI:
EISSN:
1610-1642
ISSN:
1610-1634
URN:
uuid:ccf1be01-f210-4199-9d57-0898290859fa
Source identifiers:
23106
Local pid:
pubs:23106

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