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Polariton-Mediated High Harmonic Generation with Co-Optimized Metasurfaces
- Sakib, MA;
- Kafeeva, D;
- Garcia, EP;
- Dang, QT;
- Stepanova, M;
- Raja, A;
- Lee, HWH;
- Khanikaev, AB;
- Shcherbakov, MR
Published Web Location
https://doi.org/10.1364/CLEO_FS.2026.FW2E.6Abstract
We present a co-optimization strategy using nonlinear polaritonic metasurfaces coupled to few-layer hBN to enable polariton-mediated fifth-harmonic generation, where hexagonally packed silicon-on-sapphire resonators yield simultaneous mid-IR and near-IR resonances and predict ~1100-fold efficiency enhancement.
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