Preprint
Oct 2026
Conductivity-driven chirality in geometrically achiral plasmonic nanostructures and metasurfaces
Resonant nanostructures are powerful for chiral control of light, but widely assumed to require achiral geometry. Here we demonstrate that optical chirality can emerge in geometrically achiral nanostructures, through the misalignment of independent linear responses. By rotating the conductivity tensor of an anisotropic...
Yu-Long Duan, Long-Zhu Liu, Suraya Kazi et al.
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