Classical Theory of Optical Nonlinearity in Conducting Nanoparticles

TL;DR

This paper presents a classical model for understanding how conducting nanoparticles respond nonlinearly to optical fields, focusing on electron confinement effects.

Contribution

It introduces a classical theoretical framework for electron confinement in conducting nanoparticles to analyze their nonlinear optical behavior.

Findings

Provides a method to compute nonlinear optical response

Highlights the role of electron confinement in optical nonlinearity

Lays groundwork for future experimental validation

Abstract

We develop a classical theory of electron confinement in conducting nanoparticles. The theory is used to compute the nonlinear optical response of the nanoparticle to a harmonic external field.