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 …

Colloidal Mie resonators for all‐dielectric metaoptics

H Sugimoto, M Fujii - Advanced Photonics Research, 2021 - Wiley Online Library
High refractive index dielectric nanostructures exhibiting electric and magnetic Mie
resonances offer a powerful platform for realizing unprecedented control of electromagnetic …

Mie resonator color inks of monodispersed and perfectly spherical crystalline silicon nanoparticles

H Sugimoto, T Okazaki, M Fujii - Advanced Optical Materials, 2020 - Wiley Online Library
A crystalline silicon (Si) nanoparticle (NP) of 100–200 nm in diameter exhibits a highly
saturated color owing to Mie resonance, and can be a component to realize angle …

Helicity-preserving optical metafluids

H Negoro, H Sugimoto, M Fujii - Nano Letters, 2023 - ACS Publications
A colloidal suspension of photonic nanostructures exhibiting optical magnetism is dubbed
an optical metafluid. A promising constituent of a metafluid is a nanosphere of high-refractive …

Excitation of nonradiating anapoles in dielectric nanospheres

JA Parker, H Sugimoto, B Coe, D Eggena, M Fujii… - Physical Review Letters, 2020 - APS
Although the study of nonradiating anapoles has long been part of fundamental physics, the
dynamic anapole at optical frequencies was only recently experimentally demonstrated in a …

A single-step bottom-up approach for synthesis of highly uniform mie-resonant crystalline semiconductor particles at visible wavelengths

MA Eslamisaray, PR Wray, Y Lee, GM Nelson, O Ilic… - Nano …, 2023 - ACS Publications
Optically Mie-resonant crystalline silicon nanoparticles have long attracted interest for their
unique scattering behaviors. Here, we report a bottom-up nonthermal plasma process that …

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 …

Broadband dielectric–metal hybrid nanoantenna: Silicon nanoparticle on a mirror

H Sugimoto, M Fujii - Acs Photonics, 2018 - ACS Publications
We developed a broadband dielectric–metal hybrid nanogap resonator composed of a
silicon nanoparticle (Si NP) and gold (Au) flat surface. We fabricate the nanogap resonator …

Magnetic Purcell enhancement by magnetic quadrupole resonance of dielectric nanosphere antenna

H Sugimoto, M Fujii - ACS Photonics, 2021 - ACS Publications
Dielectric nanoantennas have been suggested for manipulating the spontaneous emission
of a magnetic dipole through the magnetic Purcell effect. However, the experimentally …

Large-scale and low-cost fabrication of silicon mie resonators

W Chaabani, J Proust, A Movsesyan, J Béal… - ACS …, 2019 - ACS Publications
High index dielectric nanoparticles have been proposed for many different applications.
However, widespread utilization in practice also requires large-scale production methods for …