Title :
Control of grating-coupled ultrafast surface plasmon pulse and its nonlinear emission by shaping femtosecond laser pulse
Author :
Masaki, Yuta ; Toma, Kazunori ; Kusaba, Miyuki ; Hirosawa, Kenichi ; Kannari, Fumihiko
Author_Institution :
Dept. of Electron. & Electr. Eng., Keio Univ., Yokohama, Japan
Abstract :
Spatiotemporal nanofocusing of surface plasmon polariton excited by femtosecond laser pulses on a sharp conical Au tip with a tip edge radius of few tens of nanometers is deterministically controlled.
Keywords :
gold; high-speed optical techniques; polaritons; spatiotemporal phenomena; surface plasmons; Au; conical gold tip; femtosecond laser pulse; femtosecond laser pulses; grating-coupled ultrafast surface plasmon pulse; nanometre tip edge radius; pulse nonlinear emission; spatiotemporal nanofocusing; surface plasmon polariton; Gratings; Laser excitation; Measurement by laser beam; Nonlinear optics; Optical surface waves; Plasmons; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2014 Conference on
Conference_Location :
San Jose, CA
