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Opt Lett. 2006 Oct 1;31(19):2888-90.

Lattice solitons in self-defocusing optical media: analytical solutions of the nonlinear Kronig-Penney model.

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  • 1School of Electrical and Computer Engineering, National Technocal University of Athens, Zographou, Greece.


A novel method for obtaining analytical solitary wave solutions of the nonlinear Kronig-Penney model in periodic photonic structures with self-defocusing nonlinearity is applied for providing generic families of solutions corresponding to the gaps of the linear band structure. Characteristic cases are shown to be quite robust under propagation.

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