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

页数：5

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