Bound states in the continuum in resonant nanostructures: an overview of engineered materials for tailored applications

From theoretical model to experimental realization, the bound state in the continuum (BIC) is an emerging area of research interest in the last decade. In the initial years, well-established theoretical frameworks explained the underlying physics for optical BIC modes excited in various symmetrical...

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Autores principales:	Joseph Shereena, Pandey Saurabh, Sarkar Swagato, Joseph Joby
Formato:	article
Lenguaje:	EN
Publicado:	De Gruyter 2021
Materias:	bound states in the continuum functional materials metasurfaces photonic crystal slabs plasmonics Physics QC1-999
Acceso en línea:	https://doaj.org/article/4b35a42665744182a21da39a1bb50435
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spelling	oai:doaj.org-article:4b35a42665744182a21da39a1bb504352021-12-05T14:10:56ZBound states in the continuum in resonant nanostructures: an overview of engineered materials for tailored applications2192-861410.1515/nanoph-2021-0387https://doaj.org/article/4b35a42665744182a21da39a1bb504352021-11-01T00:00:00Zhttps://doi.org/10.1515/nanoph-2021-0387https://doaj.org/toc/2192-8614From theoretical model to experimental realization, the bound state in the continuum (BIC) is an emerging area of research interest in the last decade. In the initial years, well-established theoretical frameworks explained the underlying physics for optical BIC modes excited in various symmetrical configurations. Eventually, in the last couple of years, optical-BICs were exploited as a promising tool for experimental realization with advanced nanofabrication techniques for numerous breakthrough applications. Here, we present a review of the evolution of BIC modes in various symmetry and functioning mediums along with their application. More specifically, depending upon the nature of the interacting medium, the excitations of BIC modes are classified into the pure dielectric and lossy plasmonic BICs. The dielectric constituents are again classified as photonic crystal functioning in the subwavelength regime, influenced by the diffraction modes and metasurfaces for interactions far from the diffraction regime. More importantly, engineered functional materials evolved with the pure dielectric medium are explored for hybrid-quasi-BIC modes with huge-quality factors, exhibiting a promising approach to trigger the nanoscale phenomena more efficiently. Similarly, hybrid modes instigated by the photonic and plasmonic constituents can replace the high dissipative losses of metallic components, sustaining the high localization of field and high figure of merit. Further, the discussions are based on the applications of the localized BIC modes and high-quality quasi-BIC resonance traits in the nonlinear harmonic generation, refractometric sensing, imaging, lasing, nanocavities, low loss on-chip communication, and as a photodetector. The topology-controlled beam steering and, chiral sensing has also been briefly discussed.Joseph ShereenaPandey SaurabhSarkar SwagatoJoseph JobyDe Gruyterarticlebound states in the continuumfunctional materialsmetasurfacesphotonic crystal slabsplasmonicsPhysicsQC1-999ENNanophotonics, Vol 10, Iss 17, Pp 4175-4207 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	bound states in the continuum functional materials metasurfaces photonic crystal slabs plasmonics Physics QC1-999
spellingShingle	bound states in the continuum functional materials metasurfaces photonic crystal slabs plasmonics Physics QC1-999 Joseph Shereena Pandey Saurabh Sarkar Swagato Joseph Joby Bound states in the continuum in resonant nanostructures: an overview of engineered materials for tailored applications
description	From theoretical model to experimental realization, the bound state in the continuum (BIC) is an emerging area of research interest in the last decade. In the initial years, well-established theoretical frameworks explained the underlying physics for optical BIC modes excited in various symmetrical configurations. Eventually, in the last couple of years, optical-BICs were exploited as a promising tool for experimental realization with advanced nanofabrication techniques for numerous breakthrough applications. Here, we present a review of the evolution of BIC modes in various symmetry and functioning mediums along with their application. More specifically, depending upon the nature of the interacting medium, the excitations of BIC modes are classified into the pure dielectric and lossy plasmonic BICs. The dielectric constituents are again classified as photonic crystal functioning in the subwavelength regime, influenced by the diffraction modes and metasurfaces for interactions far from the diffraction regime. More importantly, engineered functional materials evolved with the pure dielectric medium are explored for hybrid-quasi-BIC modes with huge-quality factors, exhibiting a promising approach to trigger the nanoscale phenomena more efficiently. Similarly, hybrid modes instigated by the photonic and plasmonic constituents can replace the high dissipative losses of metallic components, sustaining the high localization of field and high figure of merit. Further, the discussions are based on the applications of the localized BIC modes and high-quality quasi-BIC resonance traits in the nonlinear harmonic generation, refractometric sensing, imaging, lasing, nanocavities, low loss on-chip communication, and as a photodetector. The topology-controlled beam steering and, chiral sensing has also been briefly discussed.
format	article
author	Joseph Shereena Pandey Saurabh Sarkar Swagato Joseph Joby
author_facet	Joseph Shereena Pandey Saurabh Sarkar Swagato Joseph Joby
author_sort	Joseph Shereena
title	Bound states in the continuum in resonant nanostructures: an overview of engineered materials for tailored applications
title_short	Bound states in the continuum in resonant nanostructures: an overview of engineered materials for tailored applications
title_full	Bound states in the continuum in resonant nanostructures: an overview of engineered materials for tailored applications
title_fullStr	Bound states in the continuum in resonant nanostructures: an overview of engineered materials for tailored applications
title_full_unstemmed	Bound states in the continuum in resonant nanostructures: an overview of engineered materials for tailored applications
title_sort	bound states in the continuum in resonant nanostructures: an overview of engineered materials for tailored applications
publisher	De Gruyter
publishDate	2021
url	https://doaj.org/article/4b35a42665744182a21da39a1bb50435
work_keys_str_mv	AT josephshereena boundstatesinthecontinuuminresonantnanostructuresanoverviewofengineeredmaterialsfortailoredapplications AT pandeysaurabh boundstatesinthecontinuuminresonantnanostructuresanoverviewofengineeredmaterialsfortailoredapplications AT sarkarswagato boundstatesinthecontinuuminresonantnanostructuresanoverviewofengineeredmaterialsfortailoredapplications AT josephjoby boundstatesinthecontinuuminresonantnanostructuresanoverviewofengineeredmaterialsfortailoredapplications
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Bound states in the continuum in resonant nanostructures: an overview of engineered materials for tailored applications

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