%D 2006 %T Polarisation dependent non-linear refraction in GaAs/AlGaAs superlattice waveguides %C Rochester, USA %K GAAS/AlGAAS, Nonlinear Refraction, Optics, Polarisation, Refraction, Superlattice, Waveguide, Waveguides %A SJ Wagner %A J Meier %A AS Helmy %A JS Aitchison %A D Modotto %A M Sorel %A DC Hutchings %L enlighten31138