Spin wave propagation in a uniformly biased curved magnonic waveguide

Using Brillouin light scattering microscopy and micromagnetic simulations, we study the propagation and transformation of magnetostatic spin waves across uniformly biased curved magnonic waveguides. Our results demonstrate that the spin wave transmission through the bend can be enhanced or weakened...

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Bibliographic Details
Published in:Physical review. B 2017-08, Vol.96 (6), Article 060401
Main Authors: Sadovnikov, A V, Davies, C S, Kruglyak, V V, Romanenko, D V, Grishin, S V, Beginin, E N, Sharaevskii, Y P, Nikitov, S A
Format: Article
Language:English
Subjects:
Circuits
Light scattering
Magnons
Wave propagation
Waveguides
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Summary:Using Brillouin light scattering microscopy and micromagnetic simulations, we study the propagation and transformation of magnetostatic spin waves across uniformly biased curved magnonic waveguides. Our results demonstrate that the spin wave transmission through the bend can be enhanced or weakened by modifying the distribution of the inhomogeneous internal magnetic field spanning the structure. Our results open up the possibility of optimally molding the flow of spin waves across networks of magnonic waveguides, thereby representing a step forward in the design and construction of the more complex magnonic circuitry.
ISSN:2469-9950
2469-9969
DOI:10.1103/physrevb.96.060401