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Fabrication and characterization of planar and channel waveguides in bismuth-based oxide glasses

By A. Favre, Eric Lee, V. Apostolopoulos, C.B.E. Gawith, C.Y. Tai, E.M. Taylor, Y. Kondon and F. Koizumi


This paper reports the fabrication of Bi2O3-based glass planar and channel waveguides using two techniques, respectively hot-dip spin-coating, and direct 244 nm UV-writing into the bulk glass. In the former, a 5 µm core glass film was achieved, which indicates a practical potential for realizing single mode operation channel guides. In the latter, the laser written structures obtained showed a positive refractive index change, estimated at 4 x 10-4 at 633 nm, and a loss of less than 4 dB/cm

Topics: QC, TK
OAI identifier: oai:eprints.soton.ac.uk:41645
Provided by: e-Prints Soton
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