Defect Modes Control in Coupled Magnonic Crystals

被引：2
|
作者：
Sharaevskaya, Anna Yu. [1 ]
Beginin, Evgenii N. [2 ]
Sharaevskii, Yurii P. [2 ]
机构：
[1] Russian Acad Sci, Koternikov Inst Radio Engn & Elect, Moscow 125009, Russia
[2] Saratov NG Chernyshevskii State Univ, Lab Metamat, Saratov 410012, Russia
来源：
IEEE TRANSACTIONS ON MAGNETICS | 2017年 / 53卷 / 11期
基金：
俄罗斯科学基金会;
关键词：
Band gap (BG); defect mode; magnonic crystal (MC); spin waves; transfer matrix;
D O I：
10.1109/TMAG.2017.2702113
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：
We report on the theoretical study of magnetostatic surface wave propagation through the two side-coupled 1-D magnonic crystals (MCs) with broken translational symmetry. Using the transfer matrix method, we obtained transmission and reflection coefficients. Existence of two defect modes in such four-port planar structure was shown. We consider the possibility of controlling the position of defect modes by changing coupling between MCs. Comparison between investigated structure with coupled defect-free magnonic crystals was provided.
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页数：4
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