Spin-wave intermodal coupling in the interconnection of magnonic units

被引：46
|
作者：
Sadovnikov, A. V. [1 ,2 ]
Grachev, A. A. [1 ]
Gubanov, V. A. [1 ]
Odintsov, S. A. [1 ]
Martyshkin, A. A. [1 ]
Sheshukova, S. E. [1 ]
Sharaevskii, Yu. P. [1 ]
Nikitov, S. A. [1 ,2 ]
机构：
[1] Saratov NG Chernyshevskii State Univ, Lab Metamat, Saratov 410012, Russia
[2] Russian Acad Sci, Kotelnikov Inst Radioengn & Elect, Moscow 125009, Russia
来源：
APPLIED PHYSICS LETTERS | 2018年 / 112卷 / 14期
基金：
俄罗斯科学基金会;
关键词：
MAGNETOSTATIC SURFACE-WAVES; GUIDES; FILMS;
D O I：
10.1063/1.5027057
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We report experimental investigation of spin-wave transport along combined magnonic structures which are comprised of the 90 degrees-magnonic bend and adjacent nonidentical magnetic stripes. The latter has the form of a spin-wave coupler. Using space-resolved Brillouin light-scattering spectroscopy and micromagnetic simulations, we study propagation, transformation, and coupling of spin waves in the combined structure. We show that characteristics of spin-wave transport in such structures are defined strongly by the intermodal dipolar spin-wave coupling. The developed structure can operate as a multifunctional magnonic device and can be used to turn the spin wave at 90 degrees performing the functionality of a directional coupler, a power splitter, a multiplexer, or a frequency separator. Our results show that interconnection of magnonic units can be utilized for further development of planar topologies of insulator-based magnonic networks. Published by AIP Publishing.
引用
收藏
页数：5
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