Observation of defect-free surface modes in optical waveguide arrays

Alexander Szameit*, Ivan L. Garanovich, Matthias Heinrich, Andrey A. Sukhorukov, Felix Dreisow, Thomas Pertsch, Stefan Nolte, Andreas Tünnermann, Yuri S. Kivshar

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    68 Citations (Scopus)


    We report on the experimental observation of novel defect-free surface modes predicted theoretically for modulated photonic lattices. We generate the linear surface modes in truncated arrays of periodically curved optical waveguides created in fused silica by a laser direct-writing technique. Our results demonstrate that the degree of surface wave localization can be controlled by selecting the waveguide bending amplitude.

    Original languageEnglish
    Article number203902
    JournalPhysical Review Letters
    Issue number20
    Publication statusPublished - 13 Nov 2008


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