Communication Dans Un Congrès Année : 2023

Critical coupling in Cavity Resonator Integrated Grating Filters (CRIGFs) for SHG control

Résumé

We demonstrate experimentally critical coupling for nonlinear conversion in grating-coupled Fabry-Pérot planar microcavities known as Cavity-Resonant Integrated Grating Filters (CRIGFs). Novel asymmetric designs offer Q-factors from 1000 to 7000 and allow critical coupling with maximised SHG. We developed an improved coupled-mode model for the linear and non-linear spectral response of CRIGFs which allows accurate insight on the intrinsic and coupling losses in these microcavities.

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hal-04770759 , version 1 (07-11-2024)

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Olivier Gauthier-Lafaye, Stéphane Calvez, Antoine Monmayrant, Elizabeth Hemsley, Anne-Laure Fehrembach, et al.. Critical coupling in Cavity Resonator Integrated Grating Filters (CRIGFs) for SHG control. EOS Annual Meeting (EOSAM 2023), EOS, Sep 2023, Dijon, France. pp.06007, ⟨10.1051/epjconf/202328706007⟩. ⟨hal-04770759⟩
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