MATEC Web of Conferences
Volume 8, 2013Progress in Ultrafast Laser Modifications of Materials
|Number of page(s)||2|
|Section||Photonics and optical components|
|Published online||18 November 2013|
Low bend loss waveguides and photonic bandgaps enabled by high index contrast modifications
1 MQ Photonics Research Centre, Dept. of Physics and Astronomy, Macquarie University, NSW 2109, Australia
2 Centre for Ultrahigh-bandwidth Devices for Optical Systems, (CUDOS), Australia
3 CEIT and Tecnun, University of Navarra, Pº Manuel de Lardizabal, Donostia-San Sebastian,, 20018 Spain
4 Macquarie University Research Centre in Astronomy, Astrophysics and Astrophotonics, Dept. of Physics and Astronomy, Macquarie University, NSW 2109, Australia
5 Australian Astronomical Observatory (AAO), PO Box 915, North Ryde NSW 1670 Australia
6 Sydney Institute for Astronomy (SIFA), School of Physics, University of Sydney, 2006, Australia
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We present a novel process to fabricate high index contrast waveguides in boro-aluminosilicate glass based on differential thermal post-annealing. Firstly, large high index contrast multimode waveguides are inscribed and subsequently annealed to achieve single-mode operation. We applied this technique to significantly increase the throughput of 3D astrophotonic devices and to demonstrate anti-resonant (ARROW) guiding in a laser written structure for the first time.
© Owned by the authors, published by EDP Sciences, 2013
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 2.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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