Title :
Ultrafast all-optical switching in Silicon-based plasmonic waveguides
Author :
Han, Z. ; Sederberg, S. ; Elezzabi, A.Y. ; Van, V.
Author_Institution :
Dept. of Electr. & Comput. Eng., Univ. of Alberta, Edmonton, AB, Canada
Abstract :
We propose and analyze 3- and 5-layer sub-wavelength silicon-based plasmonic waveguide switches. Above-bandgap femtosecond pump pulses are used to modulate 1550 nm signals with switching time ~5 ps and high on/off contrast ratio of 23 dB.
Keywords :
elemental semiconductors; optical modulation; optical pulse generation; optical pumping; optical switches; optical waveguide components; plasmonics; silicon; 3-layer sub-wavelength switches; 5-layer sub-wavelength switches; Si; femtosecond pump pulses; on-off contrast ratio; signal modulation; silicon-based plasmonic waveguides; ultrafast all-optical switching; wavelength 1550 nm; Optical devices; Optical pulses; Optical waveguides; Permittivity; Photonics; Plasmons; Radiative recombination; Spontaneous emission; Switches; Ultrafast optics; (130.4815) Optical switching devices; (250.5403) Plasmonics; (320.0320) Ultrafast optics;
Conference_Titel :
Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference. CLEO/QELS 2009. Conference on
Conference_Location :
Baltimore, MD
Print_ISBN :
978-1-55752-869-8
Electronic_ISBN :
978-1-55752-869-8
