Plasmon-enhanced second harmonic generation of metal nanostructures

CC Zhang, JY Zhang, JR Feng, ST Liu, SJ Ding, L Ma… - Nanoscale, 2024 - pubs.rsc.org
As the most common nonlinear optical process, second harmonic generation (SHG) has
important application value in the field of nanophotonics. With the rapid development of …

All-optical free-space routing of upconverted light by metasurfaces via nonlinear interferometry

A Di Francescantonio, A Zilli, D Rocco, V Vinel… - Nature …, 2024 - nature.com
All-optical modulation yields the promise of high-speed information processing. In this field,
metasurfaces are rapidly gaining traction as ultrathin multifunctional platforms for light …

[HTML][HTML] Harmonic generation at the nanoscale

L Bonacina, PF Brevet, M Finazzi… - Journal of Applied …, 2020 - pubs.aip.org
Nonlinear photon conversion is a fundamental physical process that lies on the basis of
many modern disciplines, from bioimaging and theranostics in nanomedicine to material …

Intrinsic Superchirality in Planar Plasmonic Metasurfaces

G Palermo, M Rippa, DM Aceti, A Guglielmelli… - Nano Letters, 2024 - ACS Publications
Plasmonic metasurfaces with spatial symmetry breaking are crucial materials with significant
applications in fields such as polarization-controlled photonic devices and nanophotonic …

Multiorder nonlinear mixing in metal oxide nanoparticles

G Campargue, L La Volpe, G Giardina, G Gaulier… - Nano …, 2020 - ACS Publications
Whereas most of the reports on the nonlinear properties of micro-and nanostructures
address the generation of distinct signals, such as second or third harmonic, here we …

Ultrasensitive three-dimensional orientation imaging of single molecules on plasmonic nanohole arrays using second harmonic generation

SP Sahu, A Mahigir, B Chidester, G Veronis… - Nano …, 2019 - ACS Publications
Recently, fluorescence-based super-resolution techniques such as stimulated emission
depletion (STED) and stochastic optical reconstruction microscopy (STORM) have been …

Broadband and efficient second-harmonic generation from a hybrid dielectric metasurface/semiconductor quantum-well structure

R Sarma, D De Ceglia, N Nookala, MA Vincenti… - ACS …, 2019 - ACS Publications
A prominent nonlinear optical phenomenon that is extensively studied using nanostructured
materials is second-harmonic generation (SHG) as it has applications in various fields …

Lithium niobate particles with a tunable diameter and porosity for optical second harmonic generation

RF Ali, BD Gates - RSC advances, 2022 - pubs.rsc.org
Uniform, porous particles of lithium niobate (LiNbO3) can be used as contrast agents in
bioimaging, drug delivery carriers, nonlinear optical emitters, biosensors, photocatalysts and …

Far-field mapping and efficient beaming of second harmonic by a plasmonic metagrating

A Verneuil, A Di Francescantonio, A Zilli, J Proust… - …, 2024 - degruyter.com
We study numerically and experimentally the second-harmonic generation (SHG) from
rectangular metagratings of V-shaped gold nanoantennas. We show that by carefully …

Nonlinear plasmonic sensing for label-free and selective detection of mercury at picomolar level

MS Verma, M Chandra - ACS sensors, 2020 - ACS Publications
We present the concept of a nonlinear plasmonic sensing approach for rapid, sensitive, and
label-free detection of mercury. Nonlinear plasmonic sensing of mercury relies on a …