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Large mode area silicon microstructured fiber with robust dual mode guidance
N.Healy1, J.R.Sparks2, M.N.Petrovich1, P.J.A.Sazio1, J.V.Badding2, and A.C.Peacock1
1. Optoelectronics Research Centre, University of Southampton, UK
2. Department of Chemistry and Materials Research Institute, Pennsylvania State University, 16802 PA, USA
Abstract
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.
Optics Express (2009) Vol.17(20) pp.18076-18082
doi: 10.1364/OE.17.018076
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Copyright University of Southampton 2006