Title :
Second-Harmonic Generation Driven by Local Field Asymmetry in Noncentrosymmetric Gold Nano-Ts
Author :
Canfield, Brian K. ; Husu, Hannu ; Kauranen, Martti ; Laukkanen, Janne ; Bai, Benfeng ; Kuittinen, Markku ; Turunen, Jari
Author_Institution :
Tampere Univ. of Technol., Tampere
Abstract :
We demonstrate that second-harmonic generation from noncentrosymmetric gold nano- Ts with nanogaps is governed by asymmetric distribution of the local fundamental field, and not strictly according to field enhancement in small nanogaps.
Keywords :
gold; nanostructured materials; optical harmonic generation; optical materials; Au; local field asymmetry; nanogaps; noncentrosymmetric gold nano-Ts; second-harmonic generation; Bars; Contacts; Gold; Laboratories; Nanostructures; Nonlinear optics; Optical arrays; Optical harmonic generation; Physics; Resonance;
Conference_Titel :
Lasers and Electro-Optics, 2007. CLEO 2007. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/CLEO.2007.4453367