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16 May 2008 Generation of ultra-narrow sensing filters using cross polarisation in a linear SOI photonic crystal waveguide
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Proceedings Volume 7004, 19th International Conference on Optical Fibre Sensors; 70041M (2008) https://doi.org/10.1117/12.785783
Event: 19th International Conference on Optical Fibre Sensors, 2008, Perth, WA, Australia
Abstract
A narrow band (3dB bandwidth <2nm) transmission notch filter based on polarisation conversion within a photonic crystal waveguide is demonstrated. Signal contrast between quasi- TE and TM eigenstates reaching 40dB is achieved. Further, multiple resonant wavelength coupling between the two eigenstates is also observed. These offer a novel alternative approach to sensing and biodiagnostics compared to previous use of the band edge of a photonic crystal waveguide.
© (2008) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
John Canning, Martin Kristensen, Nina Skivesan, Cicero Martelli, Amelie Tetu, Lars Frandsen, and J. Chevallier "Generation of ultra-narrow sensing filters using cross polarisation in a linear SOI photonic crystal waveguide", Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70041M (16 May 2008); https://doi.org/10.1117/12.785783
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