Abstract
A MHz-bandwidth thermo-optical (TO) plasmonic switch operating at telecommunication wavelengths and based on a hybrid solid-state silicon-loaded surface plasmon polariton waveguide design is demonstrated numerically. The nanosecond (ns) TO response of the switch is due to the high thermal conductivities of the employed materials and we demonstrate specifically a 10dB extinction ratio in the time-dependent switch transmission which features a pulsed 1ns rise time followed by a 25ns fall time when the switch is photo-thermally activated by a ns pulse at 532nm wavelength.
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