[11a-Z17-1~11] 3.12 Nanoscale optical science and near-field optics

[11a-Z17-6] SP-enhanced SHG from NLO polymer/Ag/SiO₂ structure

〇Atsushi Sugita¹, Kanta Mochizuki¹, Kohei Kikuchi¹, Kaname Suto¹, Atsushi Ono¹, Wataru Inami¹, Yoshimasa Kawata¹ (1.Shizuoka Univ.)

Keywords:Surface Plasmon, Nonlinear Optics, NLO polymer

We will report SP-enhanced SHG phenomena of NLO polymer/Ag/SiO2 structure. The metallic thin film exhibits nonlinear susceptibilities and SP resonances boost the nonlinear operations on the metal surfaces. Here, we tried increasing the conversion efficiency of the SP-enhanced SHG by using NLO polymer thin films. We successfully obtained approximately 30-fold increase in the SP-enhanced SHG at the appropriate NLO polymer thickness. We also present the analysis combining the transfer matrix and Green’s function methods.