Plasmonics has emerged as an important research field in nanoscience and
nanotechnology. Recently, significant attention has been devoted to the observation and the …

Nonlinear nanophotonics is a rapidly developing field of research with many potential
applications for the design of nonlinear nanoantennas, light sources, nanolasers, and …

Requirements of integrated photonics and miniaturisation of optical devices demand
efficient nonlinear components not constrained by conventional macroscopic nonlinear …

We develop a multipolar theory of second-harmonic generation (SHG) by dielectric
nanoparticles made of noncentrosymmetric materials with bulk quadratic nonlinearity. We …

By combining analytical and numerical approaches, we study resonantly enhanced second-
harmonic generation by individual high-index dielectric nanoparticles made of …

Nonlinear phenomena are central to modern photonics but, being inherently weak, typically
require gradual accumulation over several millimeters. For example, second harmonic …

The electromagnetic response of a free-electron gas leads to the inherent nonlinear optical
behavior of nanostructured plasmonic materials enabled through both strong local field …

We report on the strong enhancement of mid-infrared second-harmonic generation (SHG)
from SiC nanopillars due to the resonant excitation of localized surface phonon polaritons …

Second-harmonic generation (SHG) from nanoparticles made of centrosymmetric materials
provides an effective tool to characterize many important properties of photonic structures at …

Heavily doped semiconductors have emerged as tunable low-loss plasmonic materials at
midinfrared frequencies. In this article we investigate nonlinear optical phenomena …