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Optical Properties of Quantum Dot Nano-composite Materials Studied by Solid-State Theory Calculations
KTH, School of Biotechnology (BIO), Theoretical Chemistry and Biology.ORCID iD: 0000-0002-2442-1809
KTH, School of Biotechnology (BIO), Theoretical Chemistry and Biology.ORCID iD: 0000-0002-1763-9383
2012 (English)In: Handbook of Computational Chemistry / [ed] J. Leszczynski, Springer Berlin/Heidelberg, 2012, 869-899 p.Chapter in book (Refereed)
Abstract [en]

This chapter reviews the fundamental concepts of excitons and excitonic polaritons and their extraordinary optical properties in quantum dot nano-composite materials. By starting with the optical excitation of an exciton in the nanostructure we show that the effective dielectric constant of the nanostructure becomes significantly modified due to the exciton generation and recombination, resulting in high positive and negative dielectric constants. We also discuss single exciton generation by multiple photons and multiple exciton generation by single photon. All these nonlinear optical properties of quantum dot nano-composite materials offer novel possibilities and are expected to have deep impact in nanophotonics.

Place, publisher, year, edition, pages
Springer Berlin/Heidelberg, 2012. 869-899 p.
National Category
Natural Sciences
URN: urn:nbn:se:kth:diva-90837DOI: 10.1007/978-94-007-0711-5_23ISBN: 978-94-007-0710-8ISBN: 978-94-007-0711-5OAI: diva2:506796
Swedish e‐Science Research Center

QC 20120302

Available from: 2012-02-29 Created: 2012-02-29 Last updated: 2013-04-09Bibliographically approved

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Fu, YingÅgren, Hans
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