Plasmonic toroidal excitation with engineering metamaterials
2017
Natural toroidal molecules, such as biomolecules and proteins, possess toroidal dipole moments that are hard to be
detected, which leads to extensive studies of artificial toroidal materials. Recently, toroidal metamaterials have been
widely investigated to enhance toroidal dipole moments while the other multipoles are eliminated due to the spacial
symmetry. In this talk, we will show several cases on the plasmonic toroidal excitation by engineering the near-field
coupling between metamaterials, including their promising applications. In addition, a novel design for a toroidal
metamaterial with engineering anapole mode will also be discussed.
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