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Transverse localization of light and its dependence on the phase front curvature of the input beam in a disordered optical waveguide lattice
We investigate the influence of the phase front curvature of an input light beam on the transverse localization of light, choosing an evanescently coupled disordered one-dimensional semi-infinite waveguide lattice as an example. Our numerical study reveals that a finite phase front curvature of the input beam does indeed play an …