13 March 2007 Coupling management of fs laser written waveguides
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The evanescent coupling of femtosecond laser written waveguides with elliptical and circular shape is investigated in detail. Elliptical waveguides are used to investigate directional tuning of the coupling properties in a square array by tilting the elliptical waveguides. This allows to specifically pronounce diagonal coupling. In contrast, directional insensitive coupling is demonstrated in a circular waveguide array based on circular waveguides.
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A. Szameit, A. Szameit, F. Dreisow, F. Dreisow, M. Heinrich, M. Heinrich, T. Pertsch, T. Pertsch, S. Nolte, S. Nolte, A. Tuennermann, A. Tuennermann, } "Coupling management of fs laser written waveguides", Proc. SPIE 6460, Commercial and Biomedical Applications of Ultrafast Lasers VII, 64600V (13 March 2007); doi: 10.1117/12.713073; https://doi.org/10.1117/12.713073

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