A silicon nitride metasurface with two degenerate quasi-bound states in the continuum is predicted to amplify circular dichroism via modal crosstalk, reaching a differential transmittance of about 10^-2 for Pasteur parameter 1e-4.
Chiral separations in food analysis
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Molecular Chiral Response Enhanced by Crosstalking Quasi-Bound States in the Continuum
A silicon nitride metasurface with two degenerate quasi-bound states in the continuum is predicted to amplify circular dichroism via modal crosstalk, reaching a differential transmittance of about 10^-2 for Pasteur parameter 1e-4.