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Title: Resonant generation of propagating second-harmonic spin waves in nano-waveguides
Author(s): Nikolaev, K. O.
Lake, S. R.
Schmidt, GeorgLook up in the Integrated Authority File of the German National Library
Demokritov, Sergej O.
Demidov, Vjačeslav E.Look up in the Integrated Authority File of the German National Library
Issue Date: 2024
Type: Article
Language: English
Abstract: Generation of second-harmonic waves is one of the universal nonlinear phenomena that have found numerous technical applications in many modern technologies, in particular, in photonics. This phenomenon also has great potential in the field of magnonics, which considers the use of spin waves in magnetic nanostructures to implement wave-based signal processing and computing. However, due to the strong frequency dependence of the phase velocity of spin waves, resonant phase-matched generation of second-harmonic spin waves has not yet been achieved in practice. Here, we show experimentally that such a process can be realized using a combination of different modes of nano-sized spin-wave waveguides based on low-damping magnetic insulators. We demonstrate that our approach enables efficient spatially-extended energy transfer between interacting waves, which can be controlled by the intensity of the initial wave and the static magnetic field.
Open Access: Open access publication
License: (CC BY 4.0) Creative Commons Attribution 4.0(CC BY 4.0) Creative Commons Attribution 4.0
Journal Title: Nature Communications
Publisher: Nature Publishing Group UK
Publisher Place: [London]
Volume: 15
Issue: 1
Original Publication: 10.1038/s41467-024-46108-y
Appears in Collections:Open Access Publikationen der MLU

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