Abstract
All-optical switching phenomena within a waveguide configuration are of considerable interest for routing and signal processing applications in communications systems. Two classes of device can be identified: those dependent on non-resonant ultrafast nonlinearities, capable of switching at the data-rate of ultra-high frequency signals; and those exploiting the much lower power resonant nonlinear phenomena which, due to their slower (> 100ps) response, are suitable as data-transparent switches capable of opening or closing the desired channels within a network under optical control.
© 1993 Optical Society of America
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