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
Original Manuscript: April 21, 1988
Manuscript Accepted: September 2, 1988
Published: December 1, 1988
Y. Silberberg and B. G. Sfez, "All-optical phase- and power-controlled switching in nonlinear waveguide junctions," Opt. Lett. 13, 1132-1134 (1988)