Ultra‐Pure Chiral Third Harmonic Generation Enabled by Mie‐Resonant Dielectric Dimer
Xingguang Liu,
Junqing Li,
Rui Zhao
et al.
Abstract:Tailoring chiroptical responses at the nanoscale is crucial for on‐chip compact polarization manipulation and enantiomer sensing. Efficient chiral second and third harmonic generation has been successfully demonstrated from bulk materials to metamaterials. Here, pronounced linear and nonlinear circular dichroisms are obtained by rotating a dielectric nanocylinder dimer. It is revealed that the giant chiroptical effects originate from multipolar Mie resonances on the dimer, especially the magnetic dipole resona… Show more
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