Rik Harbers, Patric Strasser, et al.
Journal of Optics A: Pure and Applied Optics
We demonstrate an all-optical switch based on a waveguideembedded 1D photonic crystal cavity fabricated in silicon-on-insulator technology. Light at the telecom wavelength is modulated at high-speed by control pulses in the near infrared, harnessing the plasma dispersion effect. The actual absorbed switching power required for a 3 dB modulation depth is measured to be as low as 6 fJ. While the switch-on time is on the order of a few picoseconds, the relaxation time is almost 500 ps and limited by the lifetime of the charge carriers. © 2010 Optical Society of America.
Rik Harbers, Patric Strasser, et al.
Journal of Optics A: Pure and Applied Optics
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ACS Nano
Thilo Stöferle, Rainer F. Mahrt
Europhysics News
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Physical Review Letters