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All-dielectric concentration of electromagnetic fields at the nanoscale: the role of photonic nanojets

The photonic nanojet (PNJ) is a narrow high-energy beam that was originally found on the back side of all-dielectric spherical structures. It is a unique type of energy concentration mode. The field of PNJs has experienced rapid growth in the past decade: nonspherical and even pixelized PNJ generato...

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Detalles Bibliográficos
Autores principales: Zhu, Jinlong, Goddard, Lynford L.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: RSC 2019
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9419186/
https://www.ncbi.nlm.nih.gov/pubmed/36133120
http://dx.doi.org/10.1039/c9na00430k
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author Zhu, Jinlong
Goddard, Lynford L.
author_facet Zhu, Jinlong
Goddard, Lynford L.
author_sort Zhu, Jinlong
collection PubMed
description The photonic nanojet (PNJ) is a narrow high-energy beam that was originally found on the back side of all-dielectric spherical structures. It is a unique type of energy concentration mode. The field of PNJs has experienced rapid growth in the past decade: nonspherical and even pixelized PNJ generators based on new physics and principles along with extended photonic applications from linear optics to nonlinear optics have driven the re-evaluation of the role of PNJs in optics and photonics. In this article, we give a comprehensive review for the emerging sub-topics in the past decade with a focus on two specific areas: (1) PNJ generators based on natural materials, artificial materials and nanostructures, and even programmable systems instead of conventional dielectric geometries such as microspheres, cubes, and trihedral prisms, and (2) the emerging novel applications in both linear and nonlinear optics that are built upon the specific features of PNJs. The extraordinary features of PNJs including subwavelength concentration of electromagnetic energy, high intensity focusing spot, and lower Joule heating as compared to plasmonic resonance systems, have made PNJs attractive to diverse fields spanning from optical imaging, nanofabrication, and integrated photonics to biosensing, optical tweezers, and disease diagnosis.
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spelling pubmed-94191862022-09-20 All-dielectric concentration of electromagnetic fields at the nanoscale: the role of photonic nanojets Zhu, Jinlong Goddard, Lynford L. Nanoscale Adv Chemistry The photonic nanojet (PNJ) is a narrow high-energy beam that was originally found on the back side of all-dielectric spherical structures. It is a unique type of energy concentration mode. The field of PNJs has experienced rapid growth in the past decade: nonspherical and even pixelized PNJ generators based on new physics and principles along with extended photonic applications from linear optics to nonlinear optics have driven the re-evaluation of the role of PNJs in optics and photonics. In this article, we give a comprehensive review for the emerging sub-topics in the past decade with a focus on two specific areas: (1) PNJ generators based on natural materials, artificial materials and nanostructures, and even programmable systems instead of conventional dielectric geometries such as microspheres, cubes, and trihedral prisms, and (2) the emerging novel applications in both linear and nonlinear optics that are built upon the specific features of PNJs. The extraordinary features of PNJs including subwavelength concentration of electromagnetic energy, high intensity focusing spot, and lower Joule heating as compared to plasmonic resonance systems, have made PNJs attractive to diverse fields spanning from optical imaging, nanofabrication, and integrated photonics to biosensing, optical tweezers, and disease diagnosis. RSC 2019-11-11 /pmc/articles/PMC9419186/ /pubmed/36133120 http://dx.doi.org/10.1039/c9na00430k Text en This journal is © The Royal Society of Chemistry https://creativecommons.org/licenses/by-nc/3.0/
spellingShingle Chemistry
Zhu, Jinlong
Goddard, Lynford L.
All-dielectric concentration of electromagnetic fields at the nanoscale: the role of photonic nanojets
title All-dielectric concentration of electromagnetic fields at the nanoscale: the role of photonic nanojets
title_full All-dielectric concentration of electromagnetic fields at the nanoscale: the role of photonic nanojets
title_fullStr All-dielectric concentration of electromagnetic fields at the nanoscale: the role of photonic nanojets
title_full_unstemmed All-dielectric concentration of electromagnetic fields at the nanoscale: the role of photonic nanojets
title_short All-dielectric concentration of electromagnetic fields at the nanoscale: the role of photonic nanojets
title_sort all-dielectric concentration of electromagnetic fields at the nanoscale: the role of photonic nanojets
topic Chemistry
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9419186/
https://www.ncbi.nlm.nih.gov/pubmed/36133120
http://dx.doi.org/10.1039/c9na00430k
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