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All-optical nor gate based on the interaction between cosine-shaped input beams of orthogonal polarization

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Abstract

The design of an all-optical nor gate is presented. The logic operation is performed by the nonlinear Kerr interaction between beams that enter with cosine field shapes in a planar waveguide, as could be obtained, for example, by input channel guides. The beams have orthogonal polarizations. The gate is not phase dependent, grants a fan-out of two, and might also work in the presence of moderate nonlinear absorption.

© 1999 Optical Society of America

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