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Journal of Nanophotonics

Modeling and design of all-dielectric cylindrical nanoantennas
Author(s): Inder Devi; Reena Dalal; Yogita Kalra; Ravindra Kumar Sinha
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Paper Abstract

We theoretically demonstrate ultradirectional, azimuthally symmetric forward scattering by dielectric cylindrical nanoantennas for futuristic nanophotonic applications in visible and near-infrared regions. Electric and magnetic dipoles have been optically induced in the nanocylinders at the resonant wavelengths. The cylindrical dielectric nanoparticles exhibit complete suppression of backward scattering and improved forward scattering at first generalized Kerker’s condition. The influence of gap between nanocylinder elements on the scattering pattern of the homodimers has been demonstrated. Further, for highly directive applications, a linear chain of ultradirectional cylindrical nanoantenna array has been proposed.

Paper Details

Date Published: 16 November 2016
PDF: 9 pages
J. Nanophoton. 10(4) 046011 doi: 10.1117/1.JNP.10.046011
Published in: Journal of Nanophotonics Volume 10, Issue 4
Show Author Affiliations
Inder Devi, Delhi Technological Univ. (India)
Reena Dalal, Delhi Technological Univ. (India)
Yogita Kalra, Delhi Technological Univ. (India)
Ravindra Kumar Sinha, Delhi Technological Univ. (India)
Central Scientific Instruments Organization (India)

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