We investigate a novel approach for creating dopant-free pure silica-core waveguides (PSCW). Stoichiometric silica films form both the cladding and core material for channel waveguides, with the index contrast generated by a difference in density.
© 2011 OSA
D. John, J. Bauters, J. Nedy, W. Li, R. Moreira, J. Bowers, D. J. Blumenthal, and J. Barton, "Fabrication and Demonstration of a Pure Silica-Core Waveguide Utilizing a Density-Based Index Contrast," in Optical Fiber Communication Conference/National Fiber Optic Engineers Conference 2011, OSA Technical Digest (CD) (Optical Society of America, 2011), paper OWS3.
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