Abstract
Second order nonlinear processes in 3D centrosymmetric materials, as SHG, have been demonstrated in the past using self organized colloidal suspensions of modified polystyrene spheres in water. Taking advantage of the phase matching conditions provided by the photonic crystal and the local braking of the symmetry at the sphere-water interface, the generation of visible SH light is possible. [1]
© 2007 IEEE
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