Open AccessObservation of Defect-Free Surface Modes in Optical Waveguide Arrays
Author(s) -
Alexander Szameit,
Ivan L. Garanovich,
Matthias Heinrich,
Andrey A. Sukhorukov,
Felix Dreisow,
Thomas Pertsch,
Stefan Nolte,
Andreas Tünnermann,
Yuri S. Kivshar
Publication year - 2008
Publication title -
physical review letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 3.688
H-Index - 673
eISSN - 1079-7114
pISSN - 0031-9007
DOI - 10.1103/physrevlett.101.203902
Subject(s) - waveguide , surface (topology) , optics , amplitude , laser , bending , materials science , photonics , physics , free surface , optoelectronics , quantum mechanics , geometry , mathematics , composite material
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
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