We develop a new approach based on quasi-BICs to develop chiral metasurfaces exhibiting nonlinear circular dichroism (up to 99.9%) and high conversion efficiency. Tuning mode interference allows selective linear and nonlinear circular dichroism.
Giant third-harmonic dichroism in all-dielectric chiral metasurfaces based on quasi-bound states in the continuum
Gandolfi M.;Tognazzi A.;Rocco D.;De Angelis C.;Carletti L.
2021-01-01
Abstract
We develop a new approach based on quasi-BICs to develop chiral metasurfaces exhibiting nonlinear circular dichroism (up to 99.9%) and high conversion efficiency. Tuning mode interference allows selective linear and nonlinear circular dichroism.File in questo prodotto:
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