ArticleLight, science & applications2018
Metasurface-based multi-harmonic free-electron light source.
Article in Light, science & applications, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Active steering of cathodoluminescence through a generalized Smith-Purcell effect.Light, science & applications · 2026Article
- Enhanced tunable X-rays from bulk crystals driven by table-top free electron energies.Nature communications · 2025Article
- Polarization-Independent Enhancement of Third-Harmonic Generation Empowered by Doubly Degenerate Quasi-Bound States in the Continuum.Nano letters · 2025Article
- Chaotic dynamics in X-ray free-electron lasers with an optical undulator.Scientific reports · 2024Article
- Multicolor x-rays from free electron-driven van der Waals heterostructures.Science advances · 2023Article
- Semiconductor lasers with integrated metasurfaces for direct output beam modulation, enabled by innovative fabrication methods.Nanophotonics (Berlin, Germany) · 2023Review
- Enhanced Versatility of Table-Top X-Rays from Van der Waals Structures.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2022Article
- Interface nano-optics with van der Waals polaritons.Nature · 2021Review
- Control of quantum electrodynamical processes by shaping electron wavepackets.Nature communications · 2021Article
- Shaping quantum photonic states using free electrons.Science advances · 2021Article
- Monochromatic X-ray Source Based on Scattering from a Magnetic Nanoundulator.ACS photonics · 2020Article
- Graphene Metamaterials for Intense, Tunable, and Compact Extreme Ultraviolet and X-Ray Sources.Advanced science (Weinheim, Baden-Wurttemberg, Germany) · 2020Article
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Authors and funding
6 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Metasurfaces are subwavelength spatial variations in geometry and material where the structures are of negligible thickness compared to the wavelength of light and are optimized for far-field applications, such as controlling the wavefronts of electromagnetic waves. Here, we investigate the potential of the metasurface near-field profile, generated by an incident few-cycle pulse laser, to facilitate the generation of high-frequency light from free electrons. In particular, the metasurface near-field contains higher-order spatial harmonics that can be leveraged to generate multiple higher-harmonic X-ray frequency peaks. We show that the X-ray spectral profile can be arbitrarily shaped by controlling the metasurface geometry, the electron energy, and the incidence angle of the laser input. Using ab initio simulations, we predict bright and monoenergetic X-rays, achieving energies of 30 keV (with harmonics spaced by 3 keV) from 5-MeV electrons using 3.4-eV plasmon polaritons on a metasurface with a period of 85 nm. As an example, we present the design of a four-color X-ray source, a potential candidate for tabletop multicolor hard X-ray spectroscopy. Our developments could help pave the way for compact multi-harmonic sources of high-energy photons, which have potential applications in industry, medicine, and the fundamental sciences.
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Registered trials
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