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. (c) 2021TheAuthor(s)
Enhanced third-harmonic dichroism in chiral all-dielectric metasurfaces driven by quasi-BIC
Gandolfi M;Tognazzi A;Rocco D;De Angelis C
2021
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. (c) 2021TheAuthor(s)File in questo prodotto:
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Descrizione: Enhanced third-harmonic dichroism in chiral all-dielectric metasurfaces driven by quasi-BIC
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