ArticleNano letters2024
Near-Unity All-Optical Modulation of Third-Harmonic Generation with a Fano-Resonant Dielectric Metasurface.
Article in Nano letters, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Digital Holography Using Harmonic Generation from Solids for Reconstruction of Subwavelength Nanostructures.ACS photonics · 2026Article
- All-Optical Nonlinear Real and Fourier-Space Shaping with All-Dielectric Fano Resonant Metasurfaces.ACS nano · 2026Article
- Influence of Driving Pulse Properties on Third-Harmonic Diffraction from Quasi-BIC Metasurfaces.ACS photonics · 2025Article
- Structure-in-Void Quasi-Bound State in the Continuum Metasurface for Deeply Subwavelength Nanostructure Metrology.ACS nano · 2025Article
- Broadband and efficient third-harmonic generation from black phosphorus-hybrid plasmonic metasurfaces in the mid-infrared.Science advances · 2025Article
- Polarization-Independent Enhancement of Third-Harmonic Generation Empowered by Doubly Degenerate Quasi-Bound States in the Continuum.Nano letters · 2025Article
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Authors and funding
6 authors.
Funding
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Abstract
We demonstrate all-optical modulation with a near-unity contrast of nonlinear light generation in a dielectric metasurface. We study third-harmonic generation from silicon Fano-resonant metasurfaces excited by femtosecond pulses at 1480 nm wavelength. We modulate the metasurface resonance by free carrier excitation induced by absorption of an 800 nm pump pulse, leading to up to 93% suppression of third-harmonic generation. Modulation and recovery occur on (sub)picosecond time scales. According to the Drude model, the pump-induced refractive index change blue-shifts the metasurface resonance away from the generation pulse, causing a strong modulation of third-harmonic conversion efficiency. The principle holds great promise for spatiotemporal programmability of nonlinear light generation.
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