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 (10-2 W-2). Tuning mode interference allows selective linear and nonlinear circular dichroism.
Enhanced third-harmonic dichroism in chiral all-dielectric metasurfaces driven by quasi-BIC
Gandolfi M.;Tognazzi A.;Rocco D.;Carletti L.;De Angelis C.
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 (10-2 W-2). Tuning mode interference allows selective linear and nonlinear circular dichroism.File in questo prodotto:
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