Title :
Slow light femtosecond pulses by adiabatic plasmonic nanofocusing
Author :
Kravtsov, Vasily ; Atkin, Joanna M. ; Raschke, Markus B.
Author_Institution :
Dept. of Phys., Univ. of Colorado, Boulder, CO, USA
Abstract :
We demonstrate broadband slow light through adiabatic nanofocusing of surface plasmon polaritons (SPPs) on a conical tip. A few femtosecond group delay for nanofocused pulses is found, corresponding to an SPP velocity of less than 0.2c at the apex of the tip.
Keywords :
high-speed optical techniques; optical focusing; polaritons; slow light; surface plasmons; SPP velocity; adiabatic plasmonic nanofocusing; broadband slow light; conical tip; femtosecond group delay; nanofocused pulses; slow light femtosecond pulses; surface plasmon polaritons; Broadband communication; Delay effects; Dispersion; Optical interferometry; Plasmons; Slow light; Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
