Spectrally narrow polarisation conversion in a slow-light photonic crystal waveguide

J. Canning; M. Kristensen; N. Skivesen; C. Martelli; A. Tetu; L. H. Frandsen

doi:10.2971/jeos.2009.09019

Journal of the European Optical Society - Rapid publications, Vol 4 (2009)

Spectrally narrow polarisation conversion in a slow-light photonic crystal waveguide

J. Canning, M. Kristensen, N. Skivesen, C. Martelli, A. Tetu, L. H. Frandsen

Abstract

A narrow-band (3dB bandpass < 2 nm) transmission notch based on polarisation conversion within a SOI photonic crystal waveguide is demonstrated. Signal contrast between quasi- TE and TM eigenstates exceeding 40 dB is achieved. Further, multiple resonant wavelength coupling between the two eigenstates is also observed.

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