Multimode Propagation of Magnetostatic Waves in a Width-Modulated Yttrium-Iron-Garnet Waveguide

被引：46

作者：

Sheshukova, Svetlana E. ^{[1
]}

Beginin, Evgeny N. ^{[1
]}

Sadovnikov, Alexandr V. ^{[1
]}

Sharaevsky, Yurii P. ^{[1
]}

Nikitov, Sergey A. ^{[1
,2
]}

机构：

[1] Saratov NG Chernyshevskii State Univ, Lab Metamat, Saratov 410012, Russia

[2] Russian Acad Sci, Kotelnikov Inst Radio Engn & Elect, Moscow 125009, Russia

来源：

IEEE MAGNETICS LETTERS | 2014年 / 5卷

基金：

俄罗斯基础研究基金会;

关键词：

Microwave magnetics; magnetodynamics; magnetostatic waves (MSW); periodic structures; SPIN-WAVES;

D O I：

10.1109/LMAG.2014.2365431

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

An irregular tapered ferrite waveguide with a periodically width-modulated region was investigated. By using space-and time-resolved Brillouin light scattering spectroscopy, we measured the features of the intermodal interaction of width modes and their scattering at the boundaries of the waveguide. Near the band-gap frequency region, the spatial pattern of the spin-waves depends on the mode interaction in the periodically width-modulated yttrium-iron-garnet waveguide. These experimental results are important for controlling spin-wave propagation in width-modulated magnetic structures for future spintronic devices.

引用

页数：4

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