Healy, N., Sparks, J.R., Petrovich, M.N., Sazio, P.J.A., Badding, J.V. and Peacock, A.C.
Large mode area silicon microstructured fiber with robust dual mode guidance
Optics Express, 17, (20), . (doi:10.1364/OE.17.018076).
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A silicon microstructured fiber has been designed and fabricated using a pure silica photonic bandgap guiding fiber as a 3D template for materials deposition. The resulting silicon fiber has a micron sized core but with a small core-cladding index contrast so that it only supports two guided modes. It will be shown that by using the microstructured template this fiber exhibits a number of similar guiding properties to the more traditional index guiding air-silica structures. The large mode areas and low optical losses measured for the silicon microstructured fiber demonstrate its potential to be integrated with existing fiber infrastructures.
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