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 …

Resonant scattering manipulation of dielectric nanoparticles

J Xu, Y Wu, P Zhang, Y Wu, RAL Vallée… - Advanced Optical …, 2021 - Wiley Online Library
The concentration and manipulation of light in the nanoscale range are fundamental to
nanophotonic research. Plasmonic nanoparticles can localize electromagnetic waves within …

All-dielectric optical nanoantennas

AE Krasnok, AE Miroshnichenko, PA Belov… - Optics …, 2012 - opg.optica.org
We study in detail a novel type of optical nanoantennas made of high-permittivity low-loss
dielectric particles. In addition to the electric resonances, the dielectric particles exhibit very …

Nanophotonics with 2D transition metal dichalcogenides

A Krasnok, S Lepeshov, A Alú - Optics express, 2018 - opg.optica.org
Two-dimensional semiconducting transition metal dichalcogenides (TMDCs) have recently
become attractive materials for several optoelectronic applications, such as photodetection …

Sensing mechanism of an Au-TiO2-Ag nanograting based on Fano resonance effects

H Yang, H Huang, X Liu, Z Li, J Li, D Zhang, Y Chen… - Applied Optics, 2023 - opg.optica.org
In recent years, with the development of nano-photonics, Fano resonance has gained
increasing attention. Due to its high sensitivity, real-time detection, and label-free properties …

High Q-factor with the excitation of anapole modes in dielectric split nanodisk arrays

SD Liu, ZX Wang, WJ Wang, JD Chen, ZH Chen - Optics express, 2017 - opg.optica.org
The simultaneous realization of high Q-factor resonances and strong near-field
enhancements around and inside of dielectric nanostructures is important for many …

Active nanophotonics

A Krasnok, A Alu - Proceedings of the IEEE, 2020 - ieeexplore.ieee.org
Recent progress in nanofabrication has led to tremendous technological developments for
devices that rely on the interaction of light with nanostructured matter. Nanophotonics has …

Towards all-dielectric metamaterials and nanophotonics

A Krasnok, S Makarov, M Petrov, R Savelev… - …, 2015 - spiedigitallibrary.org
We review a new, rapidly developing field of all-dielectric nanophotonics which allows to
control both magnetic and electric response of structured matter by engineering the Mie …

Interplay of magnetic responses in all-dielectric oligomers to realize magnetic Fano resonances

B Hopkins, DS Filonov, AE Miroshnichenko… - Acs …, 2015 - ACS Publications
We study the interplay between collective and individual optically induced magnetic
responses in quadrumers made of identical dielectric nanoparticles. Unlike their plasmonic …

Dielectric optical nanoantennas

MR Hasan, OG Hellesø - Nanotechnology, 2021 - iopscience.iop.org
Nanophotonics allows the manipulation of light on the subwavelength scale. Optical
nanoantennas are nanoscale elements that enable increased resolution in bioimaging …