Abstract
Dynamically controlled switching from one input channel to one of N output channels is a desirable goal in all-optical information processing. The two-waveguide nonlinear coupler allows almost 100% power transfer.1 Unfortunately the output efficiency (or power discrimination) decreases rapidly as the number of coupled waveguides increases.2 Therefore a different approach is required. Instead of changing the input characteristic of a single channel to control the switching process we are proposing to control the collective behavior of three or five channels by changing the initial phase difference between them.
© 1994 Optical Society of America
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