Second-Harmonic Generation from Magnetic Metamaterials
Open accessAbstract
We observe second-harmonic generation from metamaterials composed of split-ring resonators excited at 1.5-micrometer wavelength. Much larger signals are detected when magnetic-dipole resonances are excited, as compared with purely electric-dipole resonances. The experiments are consistent with calculations based on the magnetic component of the Lorentz force exerted on metal electrons—an intrinsic second-harmonic generation mechanism that plays no role in natural materials. This unusual mechanism becomes relevant in our work as a result of the enhancement and the orientation of the local magnetic fields associated with the magnetic-dipole resonances of the split-ring resonators.
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- Authors
- Klein, M. W., Enkrich, C., Wegener, M., & Linden, S.
- Affiliations
- Karlsruhe Institute of Technology (DE)
- Institut für Angewandte Physik, Universität Karlsruhe (TH), Wolfgang-Gaede-Straße 1, D-76131 Karlsruhe, Germany.
- ORCID
- Wegener, Martin
- Venue
- Science
- Published
- 2006-07-28
- Volume
- 313
- Issue
- 5786
- Pages
- 502-504
- ISSN
- 0036-8075 (ISSN-L)
- 1095-9203
- OpenAlex
- W2059349994
- Cited by
- 762
- References
- 23
- Citations by year
- 2026: 22 · 2025: 26 · 2024: 38 · 2023: 26 · 2022: 27 · 2021: 34 · 2020: 42 · 2019: 50 · 2018: 49 · 2017: 50 · 2016: 58 · 2015: 44 · 2014: 49 · 2013: 45 · 2012: 45
- FWCI
- 14.88
- Type
- journal article
- Language
- en
- Open access
- hybrid
- doi.org
- Licence
- cc-by
- Locations
- Science (publishedVersion, cc-by)
- Repository KITopen (Karlsruhe Institute of Technology) (publishedVersion)
- PubMed (publishedVersion)
- KITopen (other-oa)
- Topics
- Physical Sciences › Materials Science › Electronic, Optical and Magnetic Materials › Metamaterials and Metasurfaces Applications
- Physical Sciences › Engineering › Biomedical Engineering › Plasmonic and Surface Plasmon Research
- Physical Sciences › Physics and Astronomy › Atomic and Molecular Physics, and Optics › Laser-Matter Interactions and Applications
- Keywords
- second harmonic generation, magnetic metamaterials, split ring resonator, magnetic dipole resonance, Lorentz force, magnetic field enhancement, nonlinear optics, terahertz metamaterials
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