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Conferences > NLGW > 1998 > NSNPS > NSNPS.P19

Active localization in planar tapered waveguides with random index of refraction modulations and saturable gain nonlinearity

Bedros B. Afeyan and Richard P. Ratowsky

Open Access Open Access

Abstract

We use a nonparaxial, slow temporal envelope evolution code (2D SOFTSTEP) to study the new phenomenon of spatial localization in the presence of random fluctuations and nonlinear amplification in planar waveguides. Optical bistability and transmission-resonance switching are manifestations of this active localization in such a medium and are contrasted with their conterparts in media with Kerr nonlinearity and periodic index modulations.

© 1998 Optical Society of America

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