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Observation of defect-free surface modes in optical waveguide arrays

Szameit, Alexander; Garanovich, Ivan; Heinrich, Matthias; Dreisow, Felix; Pertsch, Thomas; Nolte, Stefan; Tunnermann, Andreas; Sukhorukov, Andrey; Kivshar, Yuri


We report on the experimental observation of novel defect-free surface modes predicted theoretically for modulated photonic lattices [I. L. Garanovich et al., Phys. Rev. Lett. 100, 203904 (2008)]. 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.

CollectionsANU Research Publications
Date published: 2008-11-13
Type: Journal article
Source: Physical Review Letters
DOI: 10.1103/PhysRevLett.101.203902


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