Asymmetric Band Structure Calculations Using the Plane Wave Expansion Method with Time-Modulated Permittivity

被引：0
|
作者：
Mock, Adam [1 ]
机构：
[1] Cent Michigan Univ, Sci Adv Mat Program, Sch Engn & Technol, Mt Pleasant, MI 48859 USA
来源：
APPLIED COMPUTATIONAL ELECTROMAGNETICS SOCIETY JOURNAL | 2019年 / 34卷 / 02期
关键词：
Computational electromagnetics - Photonics - Elastic waves - Permittivity - Wave propagation;
D O I：
暂无
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：
In this work we show how the plane wave expansion method for calculating the band structure of materials with periodic electric permittivity may be extended to calculate the band structure of periodic materials that also possess a sinusoidal time-modulation. The numerical technique is applied to a structure possessing a synthetic linear momentum which causes unidirectional bandgaps to appear in the band structure. Such devices could be of use for tunable magnet-free isolators in integrated photonics platforms.
引用
收藏
页码：286 / 287
页数：2
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