ArticleNature communications2024
Extreme terahertz magnon multiplication induced by resonant magnetic pulse pairs.
Article in Nature communications, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Nanoworld of terahertz magnetism opening new frontiers.Newton ((New York, N.Y.) · 2026Review
- Coherent terahertz magnon-phonon three-wave mixing in a layered antiferromagnet.Nature communications · 2026Article
- From equilibrium to ultrafast antiferromagnetism.Nature materials · 2026Review
- Terahertz stimulated parametric downconversion of a magnon mode in an antiferromagnet.Science advances · 2025Article
- Exciton dressing by extreme nonlinear magnons in a layered semiconductor.Nature nanotechnology · 2025Article
- Antiferromagnetic semimetal terahertz photodetectors enhanced through weak localization.Nature communications · 2025Article
- Magnons from time-dependent density-functional perturbation theory and nonempirical Hubbard functionals.npj computational materials · 2025Article
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Authors and funding
10 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Nonlinear interactions of spin-waves and their quanta, magnons, have emerged as prominent candidates for interference-based technology, ranging from quantum transduction to antiferromagnetic spintronics. Yet magnon multiplication in the terahertz (THz) spectral region represents a major challenge. Intense, resonant magnetic fields from THz pulse-pairs with controllable phases and amplitudes enable high order THz magnon multiplication, distinct from non-resonant nonlinearities such as the high harmonic generation by below-band gap electric fields. Here, we demonstrate exceptionally high-order THz nonlinear magnonics. It manifests as 7th-order spin-wave-mixing and 6th harmonic magnon generation in an antiferromagnetic orthoferrite. We use THz two-dimensional coherent spectroscopy to achieve high-sensitivity detection of nonlinear magnon interactions up to six-magnon quanta in strongly-driven many-magnon correlated states. The high-order magnon multiplication, supported by classical and quantum spin simulations, elucidates the significance of four-fold magnetic anisotropy and Dzyaloshinskii-Moriya symmetry breaking. Moreover, our results shed light on the potential quantum fluctuation properties inherent in nonlinear magnons.
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