publication . Article . 2017

Fundamental and high-order anapoles in all-dielectric metamaterials via Fano-Feshbach modes competition

Juan Sebastian Totero Gongora; Gael Favraud; Andrea Fratalocchi;
Open Access
  • Published: 01 Feb 2017 Journal: Nanotechnology, volume 28, page 104,001 (issn: 0957-4484, eissn: 1361-6528, Copyright policy)
  • Publisher: IOP Publishing
  • Country: United Kingdom
Abstract
One of the most fascinating possibilities enabled by metamaterials is the strong reduction of the electromagnetic scattering from nanostructures. In dielectric nanoparticles, the formation of a minimal scattering state at specific wavelengths is associated with the excitation of photonic anapoles, which represent a peculiar type of radiationless state and whose existence has been demonstrated experimentally. In this work, we investigate the formation of anapole states in generic dielectric structures by applying a Fano–Feshbach projection scheme, a general technique widely used in the study of quantum mechanical open systems. By expressing the total scattering f...
Subjects
arXiv: Physics::Optics
free text keywords: Mechanical Engineering, Electrical and Electronic Engineering, General Materials Science, Mechanics of Materials, Bioengineering, General Chemistry, Scattering theory, Dielectric, Excitation, Resonator, Superposition principle, Physics, Quantum, Condensed matter physics, Quantum mechanics, Scattering, Metamaterial, QC0350
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