Omnidirectional Spin-Wave Array Antenna

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We study spin-wave propagation using a phased array antenna. A phase-controlled spin-wave source array generates a spin wave propagating in any direction over a wide angle. The magnitude and directivity of the spin wave are found to be enhanced by increasing the number of individual elements, suggesting that the unidirectional high-power spin-wave beam can be possible using a phased array antenna. Furthermore, the phased array enables to focus the spin wave at a specific position, leading to a local confinement of the spin wave with an enhanced amplitude. The proposed spin-wave array antenna can be applied to the development of spin-wave demultiplexers.
Publisher
AMER PHYSICAL SOC
Issue Date
2019-02
Language
English
Article Type
Article
Citation

PHYSICAL REVIEW APPLIED, v.11, no.2, pp.024027

ISSN
2331-7019
DOI
10.1103/PhysRevApplied.11.024027
URI
http://hdl.handle.net/10203/251500
Appears in Collection
PH-Journal Papers(저널논문)
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