Spin-wave switching using dynamic magnonic crystal

被引：7
|
作者：
Iwaba, Masashi [1 ]
Sekiguchi, Koji [2 ]
机构：
[1] Yokohama Natl Univ, Grad Sch Engn Sci, Tokiwadai 79-5, Yokohama, Kanagawa 2408501, Japan
[2] Yokohama Natl Univ, Fac Engn, Tokiwadai 79-5, Yokohama, Kanagawa 2408501, Japan
来源：
APPLIED PHYSICS EXPRESS | 2021年 / 14卷 / 07期
基金：
日本学术振兴会;
关键词：
All Open Access; Green;
D O I：
10.35848/1882-0786/ac0677
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
In this study, switching of the spin-wave propagation was investigated using an yttrium iron garnet (YIG) waveguide. A dynamic magnonic crystal (DMC) was designed to control the non-reciprocal surface spin waves. The DMC controlled the periodic modulation field on the YIG film and caused a strong Bragg reflection on the surface spin waves. The maximum effect of Bragg reflection was analyzed by the wavelet to be 95% of its intensity. The spin-wave switching by the DMC will be a promising method of carrier-flow control for constructing the integrated magnonic circuits.
引用
收藏
页数：5
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