Non-radiating sources

Juan Sebastian Totero Gongora; Andrea Fratalocchi

doi:10.1016/B978-0-32-395195-1.00011-9

Non-radiating sources

Juan Sebastian Totero Gongora, Andrea Fratalocchi

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

Abstract

Non-radiating sources are radiationless electromagnetic states characterized by vanishing scattering in the far-field and robust energy localization in the near field. Initially developed in quantum mechanics and astrophysics to model elementary particles non-interacting with the electromagnetic field, non-radiating states have gained a prominent role in nanophotonics following the experimental demonstration of anapole states. This chapter provides an overview of the theoretical foundations and critical milestones in investigating optical anapole states and their application in subwavelength dielectric nanostructures, discussing past results and present challenges.

Original language	English (US)
Title of host publication	All-Dielectric Nanophotonics
Publisher	Elsevier
Pages	157-183
Number of pages	27
ISBN (Electronic)	9780323951951
ISBN (Print)	9780323951968
DOIs	https://doi.org/10.1016/B978-0-32-395195-1.00011-9
State	Published - Jan 1 2023

Bibliographical note

Publisher Copyright:
© 2024 Elsevier Ltd. All rights reserved.

Keywords

Anapole
Fano–Feshbach partitioning
Generalized Maxwell projections
Higher-order anapole
Hybrid anapole
Radiationless states
Toroidal modes

ASJC Scopus subject areas

General Medicine
General Pharmacology, Toxicology and Pharmaceutics

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10.1016/B978-0-32-395195-1.00011-9

Cite this

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abstract = "Non-radiating sources are radiationless electromagnetic states characterized by vanishing scattering in the far-field and robust energy localization in the near field. Initially developed in quantum mechanics and astrophysics to model elementary particles non-interacting with the electromagnetic field, non-radiating states have gained a prominent role in nanophotonics following the experimental demonstration of anapole states. This chapter provides an overview of the theoretical foundations and critical milestones in investigating optical anapole states and their application in subwavelength dielectric nanostructures, discussing past results and present challenges.",

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AB - Non-radiating sources are radiationless electromagnetic states characterized by vanishing scattering in the far-field and robust energy localization in the near field. Initially developed in quantum mechanics and astrophysics to model elementary particles non-interacting with the electromagnetic field, non-radiating states have gained a prominent role in nanophotonics following the experimental demonstration of anapole states. This chapter provides an overview of the theoretical foundations and critical milestones in investigating optical anapole states and their application in subwavelength dielectric nanostructures, discussing past results and present challenges.

KW - Anapole

KW - Fano–Feshbach partitioning

KW - Generalized Maxwell projections

KW - Higher-order anapole

KW - Hybrid anapole

KW - Radiationless states

KW - Toroidal modes

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M3 - Chapter

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SN - 9780323951968

SP - 157

EP - 183

BT - All-Dielectric Nanophotonics

PB - Elsevier

ER -

Non-radiating sources

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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