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Media type:
E-Article
Title:
Quantum-dot supercrystals for future nanophotonics
Contributor:
Baimuratov, Anvar S.;
Rukhlenko, Ivan D.;
Turkov, Vadim K.;
Baranov, Alexander V.;
Fedorov, Anatoly V.
imprint:
Springer Science and Business Media LLC, 2013
Published in:Scientific Reports
Language:
English
DOI:
10.1038/srep01727
ISSN:
2045-2322
Origination:
Footnote:
Description:
<jats:title>Abstract</jats:title><jats:p>The study of supercrystals made of periodically arranged semiconductor quantum dots is essential for the advancement of emerging nanophotonics technologies. By combining the strong spatial confinement of elementary excitations inside quantum dots and exceptional design flexibility, quantum-dot supercrystals provide broad opportunities for engineering desired optical responses and developing superior light manipulation techniques on the nanoscale. Here we suggest tailoring the energy spectrum and wave functions of the supercrystals' collective excitations through the variation of different structural and material parameters. In particular, by calculating the excitonic spectra of quantum dots assembled in two-dimensional Bravais lattices we demonstrate a wide variety of spectrum transformation scenarios upon alterations in the quantum dot arrangement. This feature offers unprecedented control over the supercrystal's electromagnetic properties and enables the development of new nanophotonics materials and devices.</jats:p>