Abstract

We show that a planar waveguide filled with a nonlinear liquid can act as a polarization switch. Strong energy transfer from TM to TE polarization occurs at an intensity threshold that depends on the geometrical dimensions of the waveguide and on the nonlinear liquid selected. The stimulated scattering generated in these liquids plays a role in polarization switching. For further applications the nonlinear waveguide can be modeled as a quadripole for which the input quantities are the TE and the TM entrance powers that can lead to the achievement of such optical functions as control of an intense light beam by a weak beam, power limiting, and OR gates.

© 2003 Optical Society of America

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