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25 August 1994Effects of saturation and asymmetrical distribution of nonlinearity on nonlinear directional couplers
The nonlinear directional coupler is analyzed in the presence of asymmetrically distributed and saturable nonlinear refractive index. We make use of the linear supermodes of the structure and phase-space techniques, which allows to obtain the main features of its behavior, without the need of solving the coupled mode equations.
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David Artigas, Victor F. Dios, Fernando Canal Bienzobas, "Effects of saturation and asymmetrical distribution of nonlinearity on nonlinear directional couplers," Proc. SPIE 2212, Linear and Nonlinear Integrated Optics, (25 August 1994); https://doi.org/10.1117/12.185150