A COMPACT FOURTH-ORDER UNCONDITIONALLY STABLE SIX-STAGES SPLIT-STEP FDTD METHOD AND NUMERICAL ANALYSIS

被引：2
|
作者：
Kong, Yong-Dan [1 ]
Chu, Qing-Xin [1 ]
Li, Rong-Lin [1 ]
机构：
[1] S China Univ Technol, Sch Elect & Informat Engn, Guangzhou 510640, Guangdong, Peoples R China
来源：
MICROWAVE AND OPTICAL TECHNOLOGY LETTERS | 2014年 / 56卷 / 05期
基金：
中国国家自然科学基金;
关键词：
finite-difference time-domain; split-step scheme; compact fourth-order scheme; unconditionally stable; DISPERSION; STABILITY; ACCURACY;
D O I：
10.1002/mop.28259
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：
A compact fourth-order six-stages split-step finite-difference time-domain method is developed, which is based on the compact fourth-order scheme. The proposed method improves the efficiency of computation by reducing the bandwidth of the matrix to be inversed from seven to five for the fourth-order scheme. Furthermore, the proposed method is proven to be unconditionally stable. The numerical dispersion error of this new approach is studied by comparison to the original second-order method and fourth-order method. (c) 2014 Wiley Periodicals, Inc. Microwave Opt Technol Lett 56:1031-1036, 2014
引用
收藏
页码：1031 / 1036
页数：6
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