Ultrafast all-optical switching in Silicon-based plasmonic waveguides

@article{Han2009UltrafastAS,
  title={Ultrafast all-optical switching in Silicon-based plasmonic waveguides},
  author={Zhanghua Han and Shawn Sederberg and A. Y. Elezzabi and Vien Van},
  journal={2009 Conference on Lasers and Electro-Optics and 2009 Conference on Quantum electronics and Laser Science Conference},
  year={2009},
  pages={1-2}
}
We propose and analyze 3- and 5-layer sub-wavelength Silicon-based plasmonic waveguide switches. Above-bandgap femtosecond pump pulses are used to modulate 1550nm signals with switching time ∼5ps and high on/off contrast ratio of 23dB.