Spatially-Controllable Hot Spots for Plasmon-Enhanced Second-Harmonic Generation in AgNP-ZnO Nanocavity Arrays

Phase Matching for Surface Plasmon Enhanced Second Harmonic Generation in a Gold Grating Slab

Considerably Enhanced Second-Harmonic Generation in Resonant U-Shaped Nano-Structures

In this paper, we perform a detailed study of the spectral response of the gold U-shaped nano-structures for different geometrical parameters and polarizations in order to obtain significant localization factor in the wavelength 1.55 μm. The obtained near-field distribution of electric fields reveals that resonances in these nano-structures correspond to the even and odd plasmonic modes dependi...

Whispering-gallery nanocavity plasmon-enhanced Raman spectroscopy

The synergy effect in nature could enable fantastic improvement of functional properties and associated effects. The detection performance of surface-enhanced Raman scattering (SERS) can be highly strengthened under the cooperation with other factors. Here, greatly-enhanced SERS detection is realized based on rolled-up tubular nano-resonators decorated with silver nanoparticles. The synergy eff...

Interface effects in plasmon-enhanced second- harmonic generation from self-assembled multilayer films

We have compared the plasmonic enhancement of second-order nonlinear optical (NLO) properties in two types of ionic self-assembled multilayer (ISAM) films combined with Ag nanoparticles fabricated using nanosphere lithography (NSL). The light-concentrating properties of the Ag particles lead to a marked increase in the NLO efficiencies of thin ISAM films. The induced enhancement is found to be ...

Plasmon-enhanced second-harmonic generation from ionic self-assembled multilayer films.

We have demonstrated large enhancements of the effective second-order nonlinear susceptibility (chi(2)) of ionic self-assembled multilayer (ISAM) films, causing a film with just 3 bilayers to be optically equivalent to a 700-1000 bilayer film. This was accomplished by using nanosphere lithography to deposit silver nanoparticles on the ISAM film, tuning the geometry of the particles to make thei...