Spectroscopy and biosensing with optically resonant dielectric nanostructures

A Krasnok, M Caldarola, N Bonod… - Advanced optical …, 2018 - Wiley Online Library
Resonant dielectric nanoparticles made of materials with large positive dielectric permittivity,
such as Si, GaP, GaAs, have become a powerful platform for modern light science, enabling …

Applications of hybrid metal‐dielectric nanostructures: state of the art

Á Barreda, F Vitale, AE Minovich… - Advanced Photonics …, 2022 - Wiley Online Library
Enhancing the light‐matter interactions is important for many different applications like
sensing, surface enhanced spectroscopies, solar energy harvesting, and for quantum effects …

[HTML][HTML] Recent advances in adaptive liquid crystal lenses

JF Algorri, DC Zografopoulos, V Urruchi… - Crystals, 2019 - mdpi.com
An adaptive-focus lens is a device that is capable of tuning its focal length by means of an
external stimulus. Numerous techniques for the demonstration of such devices have been …

Electromagnetic resonances of silicon nanoparticle dimers in the visible

U Zywietz, MK Schmidt, AB Evlyukhin, C Reinhardt… - Acs …, 2015 - ACS Publications
We report the optical response of dielectric sub-micrometer particle dimers with resonances
in the visible, illustrating a hybridization of electric and magnetic dipolar modes of their …

[HTML][HTML] Anapole modes in hollow nanocuboid dielectric metasurfaces for refractometric sensing

JF Algorri, DC Zografopoulos, A Ferraro… - Nanomaterials, 2018 - mdpi.com
This work proposes the use of the refractive index sensitivity of non-radiating anapole
modes of high-refractive-index nanoparticles arranged in planar metasurfaces as a novel …

Interband transitions in semi-metals, semiconductors, and topological insulators: a new driving force for plasmonics and nanophotonics

J Toudert, R Serna - Optical Materials Express, 2017 - opg.optica.org
Plasmonic and dielectric Mie resonances in subwavelength nanostructures provide an
efficient way to manipulate light below the diffraction limit that has fostered the growth of …

[HTML][HTML] Recent advances in high refractive index dielectric nanoantennas: Basics and applications

AI Barreda, JM Saiz, F González, F Moreno, P Albella - AIP Advances, 2019 - pubs.aip.org
Nanoparticles made of High Refractive Index dielectric materials have been proposed as an
alternative to metals driven by their low-losses and magnetic response. The coherent effects …

[HTML][HTML] Metal, dielectric and hybrid nanoantennas for enhancing the emission of single quantum dots: A comparative study

A Barreda, S Hell, MA Weissflog, A Minovich… - Journal of Quantitative …, 2021 - Elsevier
The confinement of electromagnetic energy to subwavelength volumes through nanoscale
antennas can be used to enhance the spontaneous emission of quantum emitters. With this …

Unravelling the role of electric and magnetic dipoles in biosensing with Si nanoresonators

O Yavas, M Svedendahl, R Quidant - ACS nano, 2019 - ACS Publications
High refractive index dielectric nanoresonators are attracting much attention due to their
ability to control both electric and magnetic components of light. Due to the combination of …

Efficient visible light modulation based on electrically tunable all dielectric metasurfaces embedded in thin-layer nematic liquid crystals

M Sun, X Xu, XW Sun, X Liang, V Valuckas, Y Zheng… - Scientific reports, 2019 - nature.com
All-dielectric metasurfaces have attracted attention for highly efficient visible light
manipulation. So far, however, they are mostly passive devices, while those allowing …