Extreme terahertz magnon multiplication induced by resonant magnetic pulse pairs
© 2024. The Author(s)..
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.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:15 |
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| Enthalten in: |
Nature communications - 15(2024), 1 vom: 13. Apr., Seite 3214 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Huang, C [VerfasserIn] |
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Date Revised 25.04.2024 published: Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1038/s41467-024-47471-6 |
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| PPN (Katalog-ID): |
NLM371043344 |
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| 245 | 1 | 0 | |a Extreme terahertz magnon multiplication induced by resonant magnetic pulse pairs |
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| 520 | |a © 2024. The Author(s). | ||
| 520 | |a 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 | ||
| 650 | 4 | |a Journal Article | |
| 700 | 1 | |a Luo, L |e verfasserin |4 aut | |
| 700 | 1 | |a Mootz, M |e verfasserin |4 aut | |
| 700 | 1 | |a Shang, J |e verfasserin |4 aut | |
| 700 | 1 | |a Man, P |e verfasserin |4 aut | |
| 700 | 1 | |a Su, L |e verfasserin |4 aut | |
| 700 | 1 | |a Perakis, I E |e verfasserin |4 aut | |
| 700 | 1 | |a Yao, Y X |e verfasserin |4 aut | |
| 700 | 1 | |a Wu, A |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, J |e verfasserin |4 aut | |
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