Title :
Surface enhanced nonlinear optics using lithography-free metasurfaces
Author :
Kai Liu ; Tmnmu Zhang ; Dengxin Ji ; Murphy, Joseph ; Haomin Song ; Thomay, Tim ; Kebin Shi ; Qiaoqiang Gan ; Cartwright, Alexander
Author_Institution :
Dept. of Electr. Eng., State Univ. of New York at Buffalo, Buffalo, NY, USA
Abstract :
We demonstrate a strong enhancement of second harmonic generation based on a three-layered super absorbing metasurface consisting of an ultrathin spacer layer sandwiched by an array of random metallic nanoparticles and a metal ground plate.
Keywords :
nanoparticles; nanophotonics; optical arrays; optical harmonic generation; optical metamaterials; lithography-free metasurfaces; metal ground plate; random metallic nanoparticle array; second harmonic generation; surface enhanced nonlinear optics; three-layered superabsorbing metasurface; ultrathin spacer layer; Absorption; Nonlinear optics; Optical films; Optical harmonic generation; Optical imaging; Optical pulses; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA