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Phys Rev Lett. 2003 Feb 7;90(5):053902. Epub 2003 Feb 6.

Band-gap structure of waveguide arrays and excitation of Floquet-Bloch solitons.

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  • 1Department of Physics of Complex Systems, The Weizmann Institute of Science, 76100 Rehovot, Israel.


Band-gap structure of periodic waveguide arrays is investigated in the linear and the nonlinear regimes. Excitation of array modes belonging to high bands is demonstrated. Floquet-Bloch solitons are demonstrated experimentally and shown to be a generalization of discrete solitons.

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