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Showing 1–5 of 5 results
Advanced filters: Author: Rodrigo Berté Clear advanced filters

  • Tailored ultrafast resonances (in amplitude, Q-factor, wavelength) in an unpatterned thin Si film driven by permittivity asymmetries. Spectrally selective third-harmonic generation (THG) enhancement is shown accordingly.

    • Rodrigo Berté
    • Thomas Possmayer
    • Stefan A. Maier
    ResearchOpen Access
    Light: Science & Applications
    Volume: 14, P: 1-11

  • Achieving precise spectral and temporal light manipulation at the nanoscale remains a challenge. Here, authors develop the concept of permittivity-asymmetric bound states in the continuum metasurfaces, achieving fast electrical switching performance by integrating the polyaniline.

    • Haiyang Hu
    • Wenzheng Lu
    • Andreas Tittl
    ResearchOpen Access
    Nature Communications
    Volume: 15, P: 1-9

  • The strong dispersion of surface phonon polaritons in silicon carbide films is exploited to tailor the orbital angular momentum of phonon polaritons, achieving reconfigurable polaritonic optical vortices that are attractive for orbital-angular-momentum-enabled light–matter interactions at mid-infrared frequencies.

    • Andrea Mancini
    • Lin Nan
    • Stefan A. Maier
    ResearchOpen Access
    Nature Photonics
    Volume: 18, P: 677-684

  • Strained NbOI2 flakes with a thickness of 20 nm exhibit a record SHG absolute conversion efficiency of >0.2% and an effective bulk-like nonlinear susceptibility of 1.1 × 10−9 m V−1 at the fundamental wavelength of 1,050 nm. The spatial profile of the polarized second-harmonic generation response can be tuned by the fundamental wavelength.

    • Ibrahim Abdelwahab
    • Benjamin Tilmann
    • Kian Ping Loh
    Research
    Nature Photonics
    Volume: 16, P: 644-650

  • In their work on radial BICs, the authors realize a nanophotonic platform with high resonance Q factors and drastically reduced spatial footprint ideally suited for enhanced on-chip biomolecular sensing and nonlinear light generation.

    • Lucca Kühner
    • Luca Sortino
    • Andreas Tittl
    ResearchOpen Access
    Nature Communications
    Volume: 13, P: 1-8