Generation of ultra narrow sensing filters using cross polarisation in a linear SOI photonic crystal waveguide

John Canning*, Martin Kristensen, Nina Skivesan, Cicero Martelli, Amelie Tetu, Lars Frandsen, J. Chevallier

*Kontaktforfatter

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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.

OriginalsprogEngelsk
TidsskriftProceedings of SPIE - The International Society for Optical Engineering
ISSN0277-786X
DOI
StatusUdgivet - 2008
Begivenhed19th International Conference on Optical Fibre Sensors - Perth, WA, Australien
Varighed: 15 apr. 200818 apr. 2008

Konference

Konference19th International Conference on Optical Fibre Sensors
Land/OmrådeAustralien
ByPerth, WA
Periode15/04/200818/04/2008
SponsorUniversity of Western Australia, Optical and Biomedical Engineering Laboratory (OBEL)

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