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Optical filter with very large stopband (≈300 nm) based on a photonic-crystal vertical-directional coupler

Grande, M; O'Faolain, Liam; White, T. P; Spurny, M; D'Orazio, A; Krauss, T. F

Description

We have designed, fabricated, and demonstrated a vertical directional coupler based on the coupling between a polymer waveguide and a W1 photonic crystal waveguide. The filters have a bandwidth of ∼2 nm within a stopband of 𝛥𝜆≈300 nm and an on-chip insertion loss of 1 dB. This is the first (to our knowledge) demonstration of a filter with such a large stopband that overcomes the bandwidth limitation of existing filters.

CollectionsANU Research Publications
Date published: 2009
Type: Journal article
URI: http://hdl.handle.net/1885/101452
Source: Optics Letters
DOI: 10.1364/OL.34.003292

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