Abstract

We propose and study a novel all-optical waveguide switching element made from a nonlinear symmetric junction. Nonlinear index changes break the symmetry of the structure and induce routing of the signal to one of two output ports. Power- and phase-controlled switching with a weak control signal are possible. The switching is insensitive to the precise value of either power or phase and to the structure parameters.

© 1988 Optical Society of America

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