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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


More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Condensed Matter Physics
Role:
Author
Journal:
Physica Status Solidi C - Conferences and Critical Reviews, Vol. 2 , No 11
Volume:
2
Issue:
11
Pages:
3843-3846
Publication date:
2005-01-01
Event title:
5th International Conference on Physics of Light-Matter Coupling in Nanostructures (PLMCN5)
DOI:
EISSN:
1610-1642
ISSN:
1610-1634
Source identifiers:
23106
Pubs id:
pubs:23106
UUID:
uuid:ccf1be01-f210-4199-9d57-0898290859fa
Local pid:
pubs:23106
Deposit date:
2012-12-19

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