Nanofocusing: reaching out

Nanofocusing, the term coined by Mark Stockman, has been observed in many different tapered waveguide configurations, demonstrating the possibility for optical modes to be efficiently delivered to and concentrated into nanoscale regions far beyond the diffraction limit in dielectric media. Strong an...

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Main Authors: Zenin Vladimir A., Bozhevolnyi Sergey I.
Format: Article
Language:English
Published: De Gruyter 2021-07-01
Series:Nanophotonics
Subjects:
Online Access:https://doi.org/10.1515/nanoph-2021-0267
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author Zenin Vladimir A.
Bozhevolnyi Sergey I.
author_facet Zenin Vladimir A.
Bozhevolnyi Sergey I.
author_sort Zenin Vladimir A.
collection DOAJ
description Nanofocusing, the term coined by Mark Stockman, has been observed in many different tapered waveguide configurations, demonstrating the possibility for optical modes to be efficiently delivered to and concentrated into nanoscale regions far beyond the diffraction limit in dielectric media. Strong and broadband local field enhancement and slowdown effects associated with the nanofocusing have been exploited for enhancing linear and nonlinear optical phenomena and reaching out to a broad spectrum of diverse applications, from electron generation to water vaporization. Starting with the historical background, we carefully elaborate on the basic concepts and mechanisms involved. We then provide examples of the latest developments in this exciting quest for bringing the fundamental physical phenomenon of nanofocusing into the realm of practical applications in modern nanotechnology.
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spelling doaj.art-f337d7a8d8014ad398d4b485853af2342022-12-21T19:44:42ZengDe GruyterNanophotonics2192-86142021-07-0110143613361810.1515/nanoph-2021-0267Nanofocusing: reaching outZenin Vladimir A.0Bozhevolnyi Sergey I.1Centre for Nano Optics, University of Southern Denmark, Campusvej 55, DK-5230Odense M, DenmarkCentre for Nano Optics, University of Southern Denmark, Campusvej 55, DK-5230Odense M, DenmarkNanofocusing, the term coined by Mark Stockman, has been observed in many different tapered waveguide configurations, demonstrating the possibility for optical modes to be efficiently delivered to and concentrated into nanoscale regions far beyond the diffraction limit in dielectric media. Strong and broadband local field enhancement and slowdown effects associated with the nanofocusing have been exploited for enhancing linear and nonlinear optical phenomena and reaching out to a broad spectrum of diverse applications, from electron generation to water vaporization. Starting with the historical background, we carefully elaborate on the basic concepts and mechanisms involved. We then provide examples of the latest developments in this exciting quest for bringing the fundamental physical phenomenon of nanofocusing into the realm of practical applications in modern nanotechnology.https://doi.org/10.1515/nanoph-2021-0267light–matter interactionsnanofocusingplasmonics
spellingShingle Zenin Vladimir A.
Bozhevolnyi Sergey I.
Nanofocusing: reaching out
Nanophotonics
light–matter interactions
nanofocusing
plasmonics
title Nanofocusing: reaching out
title_full Nanofocusing: reaching out
title_fullStr Nanofocusing: reaching out
title_full_unstemmed Nanofocusing: reaching out
title_short Nanofocusing: reaching out
title_sort nanofocusing reaching out
topic light–matter interactions
nanofocusing
plasmonics
url https://doi.org/10.1515/nanoph-2021-0267
work_keys_str_mv AT zeninvladimira nanofocusingreachingout
AT bozhevolnyisergeyi nanofocusingreachingout