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Integrated photonic building blocks for next-generation astronomical instrumentation I: the multimode waveguide

Jovanovic, Nemanja; Spaleniak, Izabela; Gross, Simon; Lawrence, Jon S.; Miese, Christopher; Fuerbach, Alexander; Withford, Michael J.; Ireland, Michael


We report on the fabrication and characterization of composite multimode waveguide structures that consist of a stack of single-mode waveguides fabricated by ultrafast laser inscription. We explore 2 types of composite structures; those that consist of overlapping single-mode waveguides which offer the maximum effective index contrast and non overlapped structures which support multiple modes via strong evanescent coupling. We demonstrate that both types of waveguides have negligible...[Show more]

CollectionsANU Research Publications
Date published: 2012-07-01
Type: Journal article
Source: Optics Express
DOI: 10.1364/OE.20.017029
Access Rights: Open Access


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