Non-degenerate Two Photon Absorption Spectra of Si Nanocrystallites
Toshiaki Iitaka, Toshikazu Ebisuzaki
TL;DR
This paper introduces a linear-scaling method for calculating nonlinear optical responses and applies it to study size effects in two-photon absorption spectra of silicon nanocrystallites.
Contribution
It presents a new efficient computational approach for nonlinear response functions and investigates size-dependent optical properties of silicon nanocrystals.
Findings
Size effects significantly influence two-photon absorption spectra.
The proposed method enables scalable calculations for large nanostructures.
Results provide insights into the nonlinear optical behavior of silicon nanocrystallites.
Abstract
We propose an efficient linear-scaling time-dependent method for calculating nonlinear response function, and study the size effects in non-degenerate two photon absorption spectra of Si nanocrystallites by using semi-empirical pseudopotentials.
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Taxonomy
TopicsNonlinear Optical Materials Studies · Quantum Dots Synthesis And Properties · Gold and Silver Nanoparticles Synthesis and Applications