Chiral silicon metasurfaces produce circularly polarized photoluminescence from achiral dyes, with quasi-BIC modes giving a stable gPL near 0.1 and SLR modes giving higher but thickness-dependent values that can flip sign.
Chirality in light–matter interaction.Adv
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Robust Circularly Polarized Luminescence via Quasi-Bound States in the Continuum in Intrinsic Chiral Silicon Metasurfaces
Chiral silicon metasurfaces produce circularly polarized photoluminescence from achiral dyes, with quasi-BIC modes giving a stable gPL near 0.1 and SLR modes giving higher but thickness-dependent values that can flip sign.