Two-color discrete localized modes and resonant scattering in arrays of nonlinear quadratic optical waveguides

Details Two-color discrete localized modes and resonant scattering in arrays of nonlinear quadratic optical waveguides Two-color discrete localized modes and resonant scattering in arrays of nonlinear quadratic optical waveguides

2006-02-26

arxiv.org/abs/nlin/0602057v1

Phys. Rev. E 72, 036622 (2005)

Nonlinear Sciences

Pattern Formation and Solitons

10 pages, 3 figures, published in PRE

Scientific paper

10.1103/PhysRevE.72.036622

We analyze the properties and stability of two-color discrete localized modes in arrays of channel waveguides where tunable quadratic nonlinearity is introduced as a nonlinear defect by periodic poling of a single waveguide in the array. We show that, depending on the value of the phase mismatch and the input power, such two-color defect modes can be realized in three different localized states. We also study resonant light scattering in the arrays with the defect waveguide.

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