Observation of anharmonic Bloch oscillations |
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| Authors: | Dreisow Felix Wang Gang Heinrich Matthias Keil Robert Tünnermann Andreas Nolte Stefan Szameit Alexander |
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| Affiliation: | Institute of Applied Physics, Friedrich-Schiller-Universit?t Jena, Jena, Germany. |
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| Abstract: | We report on the experimental observation of Bloch oscillations of an optical wave packet in a lattice with second-order coupling. To this end, we employ zigzag waveguide arrays, in which the second-order coupling can be precisely tuned. |
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