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High transmission and single-mode operation in low-index-contrast photonic crystal waveguide devices

: Augustin, M.; Fuchs, H.-J.; Schelle, D.; Kley, E.-B.; Nolte, S.; Tünnermann, A.; Iliew, R.; Etrich, C.; Peschel, U.; Lederer, F.


Applied Physics Letters 84 (2004), No.5, pp.663-665
ISSN: 0003-6951
ISSN: 1077-3118
Journal Article
Fraunhofer IOF ()

We investigate photonic crystal films made of low-index glass materials. Polarization-sensitive waveguiding and single-mode operation (with losses as low as 1.7 dB/mm) have been observed in wide multimode photonic crystal waveguides after propagation of some millimeters. Furthermore, single-mode operation and transmission as high as about 50% per bend has been observed experimentally in low-index photonic crystal waveguide bends.