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All-dielectric optical nanoantennas

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Krasnok, Alexander E., Miroshnichenko, Andrey E., Belov, Pavel A., Kivshar, Yuri S.·2012·Optics Express

Abstract

We study in detail a novel type of optical nanoantennas made of high-permittivity low-loss dielectric particles. In addition to the electric resonances, the dielectric particles exhibit very strong magnetic resonances at the nanoscale, that can be employed in the Yagi-Uda geometry for creating highly efficient optical nanoantennas. By comparing plasmonic and dielectric nanoantennas, we demonstrate that all-dielectric nanoantennas may exhibit better radiation efficiency also allowing more compact design.

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Metadata

Authors
Krasnok, A. E., Miroshnichenko, A. E., Belov, P. A., & Kivshar, Y. S.
Venue
Optics Express
Published
2012-08-23
Volume
20
Issue
18
Pages
20599
ISSN
1094-4087 (ISSN-L)
OpenAlex
W2569823976
Cited by
557
References
0
FWCI
16.39
Type
journal article
Language
en
Open access
gold

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CoChat. (2026). Citation check: All-dielectric optical nanoantennas. https://app.cochat.ai/papers/10.1364/oe.20.020599
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Krasnok, A. E., Miroshnichenko, A. E., Belov, P. A., & Kivshar, Y. S. (2012). All-dielectric optical nanoantennas. Optics Express. https://doi.org/10.1364/oe.20.020599

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