Title :
Optically defined plasmonic waveguides in crystalline semiconductors at optical frequencies
Author :
Wong, Herman M. K. ; Helmy, Amr S.
Author_Institution :
Edward S. Rogers Sr. Dept. of Electr. & Comput. Eng., Univ. of Toronto, Toronto, ON, Canada
Abstract :
A nanoscale all-semiconductor waveguide designed to support a plasmonic gap mode (PGM) at high optical excitation intensity is introduced. The PGM properties such as mode confinement and dispersion are widely tunable through varying the excitation intensity.
Keywords :
nanophotonics; optical design techniques; optical dispersion; optical waveguides; plasmonics; PGM; crystalline semiconductors; high optical excitation intensity; mode confinement; nanoscale all-semiconductor waveguide; optical frequencies; optically defined plasmonic waveguides; plasmonic gap mode; widely tunable dispersion; Gallium arsenide; Metals; Optical pulses; Optical pumping; Optical waveguides; Plasmons; Semiconductor waveguides;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2013 Conference on
Conference_Location :
San Jose, CA
