Integrated TE/TM grating filters with high extinction ratio

Klitis, Charalambos and Cantarella, Giuseppe and Strain, Michael J. and Sorel, Marc; (2016) Integrated TE/TM grating filters with high extinction ratio. In: 2016 Photonics North, PN 2016. IEEE, CAN. ISBN 9781509013739

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Abstract

An analysis of sidewall grating filters with sinusoidal perturbation is presented. Measurements indicate that the maximum extinction-ratio of the filters is limited by the polarisation scattering in the waveguide. We show that TM polarisation absorbers and filters offer a simple design solution that can provide extinction ratio values up to 60 dB.

ORCID iDs

Klitis, Charalambos, Cantarella, Giuseppe ORCID logoORCID: https://orcid.org/0000-0002-1344-8483, Strain, Michael J. ORCID logoORCID: https://orcid.org/0000-0002-9752-3144 and Sorel, Marc;