Epitaxial self-alignment : a new route to hybrid active plasmonic nanostructures

R. Nötzel, A.J. Urbanczyk

Research output: Contribution to journalArticleAcademicpeer-review

2 Citations (Scopus)
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Concepts of lateral ordering of epitaxial semiconductor quantum dots (QDs) are for the first time transferred to hybrid nanostructures for active plasmonics. We review our recent research on the self-alignment of epitaxial nanocrystals of In and Ag on ordered one-dimensional In(Ga)As QD arrays and isolated QDs by molecular beam epitaxy. By changing the growth conditions the size and density of the metal nanocrystals are easily controlled and the surface plasmon resonance wavelength is tuned over a wide range in order to match the emission wavelength of the QDs. Photoluminescence measurements reveal large enhancement of the emitted light intensity due to plasmon enhanced emission and absorption down to the single QD level. (c) 2011 Elsevier Ltd. All rights reserved
Original languageEnglish
Pages (from-to)59-63
Number of pages5
JournalCurrent Opinion in Solid State & Materials Science
Issue number2
Publication statusPublished - 2012


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