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 :
Institute of Physics, Optics Laboratory, Tampere University of Technology, P. O. Box 692, FI-33101, Finland
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 :
Bars; Contacts; Gold; Laboratories; Nanostructures; Nonlinear optics; Optical arrays; Optical harmonic generation; Physics; Resonance;
Conference_Titel :
Quantum Electronics and Laser Science Conference, 2007. QELS '07
Conference_Location :
Baltimore, MD, USA
Print_ISBN :
978-1-55752-834-6
DOI :
10.1109/QELS.2007.4431144
