WebJun 8, 2024 · Dielectric chiral metasurfaces can generate harmonic waves with high efficiency and strong circular dichroism (CD), when they are supported by metallic substrates. Numerical results show that the second‐harmonic generation (SHG) efficiency of about 10−3% for a peak pump intensity of about 5 GW cm−2 can be achieved in the … WebApr 1, 2024 · Chiral optical responses of bilayer metasurfaces made of twisted metallic nanorods are investigated in detail with focus on the collective effect due to lattice resonance (LR). ... and relies on high-quality-factor dielectric metasurfaces that exhibit intrinsic chirality. Expand. 13. PDF. View 1 excerpt, references background;

Chiral bilayer dielectric metasurfaces (Conference Presentation)

WebAug 24, 2016 · A chiral response can be elicited not only by 3D chiral structures 9, but also by 2D chiral metasurfaces 10 or, as theoretically predicted, by 1D chiral elements 11. The possibility to measure an ... WebAug 2, 2024 · As a result, the fabricated chiral metasurface combines high (50–80%) transmittance with the circular dichroism of up to 0.5 and the optical activity of up to 20° … how many games did the mets win

[PDF] Chiral all-dielectric trimer nanoantenna Semantic Scholar

WebJul 1, 2024 · To further amplify the CD effect, the introduction of chiral unit cells has been proposed recently, achieving giant CD signals by using all-dielectric gammadion bilayers [15]. Nonetheless, most of the structures showing extreme enhancements of the CD effect are embedded in other materials, hampering their use with actual molecule samples. WebApr 7, 2024 · However, these chiral metasurfaces are not rigorously planar (the structure is varied along the normal direction) and may cause inconvenience in their fabrication … WebNov 12, 2024 · Chiral Bilayer All-Dielectric Metasurfaces. Three-dimensional chiral plasmonic metasurfaces were demonstrated to offer enormous potential for ultrathin … how many games did the nes have