Femtosecond laser direct-written microstructured waveguides in passive as well as in novel active glasses
Date
2012
Authors
Fuerbach, A.
Gross, S.
Alberich, M.
Lancaster, D.
Ebendorff-Heidepriem, H.
Monro, T.
Withford, M.
Editors
López-Higuera, J.
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Conference paper
Citation
14th International Conference on Transparent Optical Networks 2nd - 5th July, 2012 University of Warwick, Coventry, UK / Marek Jaworski, Marian Marciniak (eds.): 4p.
Statement of Responsibility
A. Fuerbach, S. Gross, M. Alberich, D. Lancaster, H. Ebendorff-Heidepriem, T. Monro, M. Withford
Conference Name
International Conference on Transparent Optical Networks (ICTON) (2 Jul 2012 - 5 Jul 2012 : Coventry)
Abstract
In recent years, the femtosecond laser direct write technique has evolved into a standard technique for the inscription of optical waveguides in glasses. However, due to very slow process speeds and limited 3D-capabilities, this method was restricted to the fabrication of relatively simple structures so far. In this paper we demonstrate how MHz repetition rate chirped-pulse oscillators can be utilised to overcome those limitations, enabling the realisation of complex direct-written microstructured waveguides. We present our results in fabricating ARROW (anti-resonant reflecting optical waveguide) structures in bulk glasses as well as depressed-cladding waveguides in novel fluoride glasses doped with rare-earth ions like thulium and holmium.
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©2012 IEEE