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Article overview
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Multipolar interference effects in nanophotonics | | Wei Liu
; Yuri S. Kivshar
; | | Date: |
5 Sep 2016 | | Abstract: | Scattering of electromagnetic waves by an arbitrary nanoscale object can be
characterized by a multipole decomposition of the electromagnetic field that
allows to describe the scattering intensity and radiation pattern through
interferences of dominating excited multipole modes. In modern nanophotonics,
both generation and interference of multipole modes start to play an
indispensable role, and they enable nanoscale manipulation of light with many
related applications. Here we review the multipolar interference effects in
metallic, metal-dielectric, and dielectric nanostructures, and suggest a
comprehensive view on many phenomena involving the interferences of electric,
magnetic and toroidal multipoles, which drive a number of recently discussed
effects in nanophotonics such as unidirectional scattering, effective optical
antiferromagnetism, generalized Kerker scattering with controlled angular
patterns, generalized Brewster angle, and nonradiating optical anapoles. We
further discuss other types of possible multipolar interference effects not yet
exploited in literature and envisage the prospect of achieving more flexible
and advanced nanoscale control of light relying on the concepts of multipolar
interference through full phase and amplitude engineering. | | Source: | arXiv, 1609.1099 | | Services: | Forum | Review | PDF | Favorites | |
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