We observe experimentally discrete reflectionless potentials, which fully transmit all incident waves. This is realized in optical waveguide arrays, where the coupling is locally modulated according to a special transformation of Ablowitz-Ladik soliton profiles.
© 2010 The Optical Society
A. Szameit, F. Dreisow, M. Heinrich, R. Keil, S. Nolte, and A. A. Sukhorukov, "Observation Of Discrete Reflectionless Potentials," in Advanced Photonics & Renewable Energy, OSA Technical Digest (CD) (Optical Society of America, 2010), paper NMD6.
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