Sharp Toroidal Resonances in Planar Terahertz Metasurfaces

Sharp Toroidal Resonances in Planar Terahertz Metasurfaces

A toroidal dipole in metasurfaces provides an alternate approach for the excitation of high-Q resonances. In contrast to conventional multipoles, the toroidal dipole interaction strength depends on the time derivative of the surrounding electric field.

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Bibliographic Details
Main Authors: Gupta, Manoj, Savinov, Vassili, Xu, Ningning, Cong, Longqing, Dayal, Govind, Wang, Shuang, Zhang, Weili, Zheludev, Nikolay I., Singh, Ranjan
Other Authors: School of Physical and Mathematical Sciences
Format: Article
Language:English
Published: 2017
Subjects:
Metasurfaces
Magnetic Coupling
Online Access:https://hdl.handle.net/10356/83782
http://hdl.handle.net/10220/42751
https://doi.org/10.21979/N9/UWBOGJ
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Institution: Nanyang Technological University
Language: English
Description
Summary:A toroidal dipole in metasurfaces provides an alternate approach for the excitation of high-Q resonances. In contrast to conventional multipoles, the toroidal dipole interaction strength depends on the time derivative of the surrounding electric field.

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