ArticleScience advances2026
Chiral nonlinear polaritonics with van der Waals metasurfaces.
Article in Science advances, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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Who cites it
3 citing papers in PubMed.
- Chirality Engineering and Properties in Two-Dimensional Layered Materials.Small (Weinheim an der Bergstrasse, Germany) · 2026Review
- Article
- Merging van der Waals Materials and Optical Metasurfaces for Cavity Quantum Electrodynamics.Nanophotonics (Berlin, Germany) · 2026Article
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Authors and funding
13 authors.
Funding
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Abstract
Chiral optical cavities are crucial for the development of nonequilibrium quantum materials by discriminating and selectively coupling to light of a specific circular polarization, but fundamentally cannot be realized with conventional mirror cavities. Here, we demonstrate this unique functionality by developing a monolithic transition metal dichalcogenide (TMDC) metasurface with broken out-of-plane symmetry, allowing for the selective formation of self-hybridized chiral exciton-polaritons. Our metasurface maintains maximal chirality for oblique incidence up to 20°, thereby outperforming all previously known designs. Moreover, we study the chiral strong-coupling regime in nonlinear experiments and reveal polaritonic signatures in chiral third-harmonic generation. Our results position maximally chiral van der Waals (vdW) metasurfaces as a versatile platform for tunable chiral polaritonics with applications in nonreciprocal photonic devices and valleytronics.
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Registered trials
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