Journal
APPLIED PHYSICS LETTERS
Volume 112, Issue 14, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.5027057
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Funding
- Russian Science Foundation [16-19-10283]
- RFBR [18-57-76001]
- Scholarship of the President of RF [SP-2819.2018.5]
- Grant of the President of RF [MK-3650.2018.9]
- Russian Science Foundation [16-19-10283] Funding Source: Russian Science Foundation
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We report experimental investigation of spin-wave transport along combined magnonic structures which are comprised of the 90 degrees-magnonic bend and adjacent nonidentical magnetic stripes. The latter has the form of a spin-wave coupler. Using space-resolved Brillouin light-scattering spectroscopy and micromagnetic simulations, we study propagation, transformation, and coupling of spin waves in the combined structure. We show that characteristics of spin-wave transport in such structures are defined strongly by the intermodal dipolar spin-wave coupling. The developed structure can operate as a multifunctional magnonic device and can be used to turn the spin wave at 90 degrees performing the functionality of a directional coupler, a power splitter, a multiplexer, or a frequency separator. Our results show that interconnection of magnonic units can be utilized for further development of planar topologies of insulator-based magnonic networks. Published by AIP Publishing.
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