The effect of a uniform grating on the evolution of the orthogonal polarization modes in a nonlinear birefringent waveguide is examined for the first time to our knowledge. The problem involves the interplay of the linear coupling that is due to the grating, the linear birefringence, and the nonlinear mode coupling. After examining the basic formulation and methods of solution, we present a series of results demonstrating a variety of nonlinear phenomena, such as bistability. Other two-mode systems are predicted to behave in a similar way. The possible implementation of three logic gates from one device configuration is discussed.
© 1994 Optical Society of America
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