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Phys Rev Lett. 2011 May 13;106(19):193903. Epub 2011 May 12.

Realization of reflectionless potentials in photonic lattices.

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Physics Department and Solid State Institute, Technion, 32000 Haifa, Israel.


We realize experimentally a true reflectionless potential, which facilitates nonresonant unity transmission for all incident waves and at the same time supports localized modes. We utilize arrays of evanescently coupled optical waveguides, where a particular modulation of the transverse waveguide separations provides a physical realization of reflectionless Ablowitz-Ladik soliton potentials.

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