Colloidal ZnO quantum dots in ultraviolet pillar microcavities
Author(s) -
Tim Thomay,
Tobias Hanke,
Martin Tomas,
F. Sotier,
Katja Beha,
Vanessa Knittel,
Matthias Kahl,
Kelly Whitaker,
Daniel R. Gamelin,
Alfred Leitenstorfer,
Rudolf Bratschitsch
Publication year - 2008
Publication title -
optics express
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.394
H-Index - 271
ISSN - 1094-4087
DOI - 10.1364/oe.16.009791
Subject(s) - ultraviolet , quantum dot , materials science , pillar , optoelectronics , optics , focused ion beam , colloid , total internal reflection , whispering gallery wave , resonator , ion , physics , chemistry , structural engineering , quantum mechanics , engineering
Three dimensional light confinement and distinct pillar microcavity modes in the ultraviolet have been observed in pillar resonators with embedded colloidal ZnO quantum dots fabricated by focused ion beam milling. Results from a waveguide model for the mode patterns and their spectral positions are in excellent agreement with the experimental data.
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