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

J Zhu, LL Goddard - Nanoscale Advances, 2019 - pubs.rsc.org
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 …

[HTML][HTML] Photonic nanojets and their applications

A Darafsheh - Journal of Physics: Photonics, 2021 - iopscience.iop.org
Dielectric microelements with circular symmetry have shown interesting optical properties:
photonic nanojets (PNJs) and whispering gallery modes (WGMs). They can confine light …

Specular-reflection photonic nanojet: physical basis and optical trapping application

IV Minin, YE Geints, AA Zemlyanov, OV Minin - Optics Express, 2020 - opg.optica.org
A specular-reflection photonic nanojet (s-PNJ) is a specific type of optical near-field
subwavelength spatial localization originated from the constructive interference of direct and …

[HTML][HTML] Diffraction limited photonic hook via scattering and diffraction of dual-dielectric structures

V Pacheco-Peña, JA Riley, CY Liu, OV Minin… - Scientific reports, 2021 - nature.com
Photonic hooks have demonstrated to be great candidates for multiple applications ranging
from sensing up to optical trapping. In this work, we propose a mechanism to produce such …

Constructive and destructive interference of Kerker-type scattering in an ultrathin silicon Huygens metasurface

X Zhang, J Li, JF Donegan, AL Bradley - Physical Review Materials, 2020 - APS
High refractive index dielectric nanoparticles have provided a new platform for exotic light
manipulation through the interference of multipole modes. The Kerker effect is one example …

[HTML][HTML] 3D micro-devices for enhancing the lateral resolution in optical microscopy

G Zyla, G Maconi, A Nolvi, J Marx, D Ladika… - Light: Advanced …, 2024 - light-am.com
Although optical microscopy is a widely used technique across various multidisciplinary
fields for inspecting small-scale objects, surfaces or organisms, it faces a significant …

Overcoming refractive index limit of mesoscale light focusing by means of specular-reflection photonic nanojet

YE Geints, AA Zemlyanov, IV Minin, OV Minin - Optics Letters, 2020 - opg.optica.org
The physical origin of subwavelength photonic nanojet in specular-reflection mode (s-PNJ)
is theoretically considered. This specific type of photonic nanojet (PNJ) emerges upon …

[HTML][HTML] Raman scattering enhancement of dielectric microspheres on silicon nitride film

T Ogura - Scientific Reports, 2022 - nature.com
Circulating light in the total internal reflection within dielectric spheres or disks is called the
whispering gallery mode (WGM), which by itself is highly sensitive to its surface and capable …

Combined plasmon-resonance and photonic-jet effect in the THz wave scattering by dielectric rod decorated with graphene strip

SV Dukhopelnykov, R Sauleau… - Journal of Applied …, 2019 - pubs.aip.org
We consider the scattering of an H-polarized plane wave by an infinite dielectric rod with a
conformal graphene strip of arbitrary angular width, placed at the rod rear side. Our analysis …

[HTML][HTML] Dielectric nanoresonators and metamaterials

R Paniagua-Domínguez, B Luk'yanchuk… - Journal of Applied …, 2019 - pubs.aip.org
High-refractive-index (HRI) dielectric nanostructures, and in particular semiconductors, are
attracting significant attention in Optics and Photonics nowadays for exhibiting strong …