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Proceedings Paper

Generation of ultra-narrow sensing filters using cross polarisation in a linear SOI photonic crystal waveguide
Author(s): John Canning; Martin Kristensen; Nina Skivesan; Cicero Martelli; Amelie Tetu; Lars Frandsen; J. Chevallier
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Paper 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.

Paper Details

Date Published: 16 May 2008
PDF: 4 pages
Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70041M (16 May 2008); doi: 10.1117/12.785783
Show Author Affiliations
John Canning, Univ. of Aarhus (Denmark)
Univ. of Sydney (Australia)
Martin Kristensen, Univ. of Aarhus (Denmark)
Nina Skivesan, Univ. of Aarhus (Denmark)
Cicero Martelli, Univ. of Aarhus (Denmark)
Univ. of Sydney (Australia)
Amelie Tetu, Univ. of Aarhus (Denmark)
Lars Frandsen, Technical Univ. of Denmark (Denmark)
J. Chevallier, Univ. of Aarhus (Denmark)

Published in SPIE Proceedings Vol. 7004:
19th International Conference on Optical Fibre Sensors
David Sampson; Stephen Collins; Kyunghwan Oh; Ryozo Yamauchi, Editor(s)

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