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Received: Jul. 16, 2020
Accepted: Sep. 4, 2020
Posted: Nov. 24, 2020
Published Online: Dec. 7, 2020
The Author Email: Haitao Dai (htdai@tju.edu.cn)
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Haitao Dai, Zolkefl A. Y. Mohamed, Aixiang Xiao, Yongxiang Xue, Ziyang Guo, Yu Zhang, Xiaodong Zhang, Changlong Liu. Magnetically tunable Airy-like beam of magnetostatic surface spin waves[J]. Chinese Optics Letters, 2021, 19(1): 013501
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Optics in Interdisciplinary Research
Chinese Optics Letters, Vol. 19, Issue 1, 013501 (2021)
Magnetically tunable Airy-like beam of magnetostatic surface spin waves 
Haitao Dai*, Zolkefl A. Y. Mohamed, Aixiang Xiao, Yongxiang Xue, Ziyang Guo, Yu Zhang, Xiaodong Zhang, and Changlong Liu
Author Affiliations
- Tianjin Key Laboratory of Low Dimensional Materials Physics and Preparing Technology, School of Science, Tianjin University, Tianjin 300072, China
Abstract
In this Letter, we report an Airy-like beam of magnetostatic surface spin wave (AiBMSSW) supported on the ferromagnetic film, which is transferred from the optical field. The propagation properties of AiBMSSW were verified with micromagnetic simulation. From simulation results, the typical parabolic trajectory of the Airy-type beam was observed with an exciting source encoding 3/2 phase pattern. The simulation results coincide well with design parameters. Furthermore, simulated results showed that the trajectories of the AiBMSSW could be tuned readily with varied external magnetic fields. This work can extend the application scenario of spin waves.
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