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Journal of Nanophotonics

Strongly absorbing light nanostructures containing metal quantum dots
Author(s): Sergey I. Pokutnyi
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Paper Abstract

In the framework of dipole approximation, it is shown that the oscillator strengths of transitions as well as the dipole moments for transitions for one-particle electron Coulomb states emerging above the spherical surface quantum dot of metal assume giant values considerably (by two orders of magnitude) exceeding the typical values of the corresponding quantities for dielectrics. It has been established that the giant values of the light absorption cross section in the nanosystems under investigation make it possible to use such nanosystems as strongly absorbing nanomaterials in a wide range of infrared waves with a wavelength that can be varied in a wide range depending on the type of contacting materials.

Paper Details

Date Published: 17 August 2017
PDF: 6 pages
J. Nanophoton. 12(1) 012506 doi: 10.1117/1.JNP.12.012506
Published in: Journal of Nanophotonics Volume 12, Issue 1
Show Author Affiliations
Sergey I. Pokutnyi, The National Academy of Sciences of Ukraine (Ukraine)

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