Application of modified finite-difference formulas to the analysis of z-variant rib waveguides

被引：7
|
作者：
Yamauchi, J [1 ]
Nakamura, S [1 ]
Nakano, H [1 ]
机构：
[1] Hosei Univ, Coll Engn, Tokyo 184, Japan
来源：
IEEE PHOTONICS TECHNOLOGY LETTERS | 2000年 / 12卷 / 08期
关键词：
finite-difference methods; optical beam propagation; optical waveguides;
D O I：
10.1109/68.867988
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：
Modified finite-difference formulas for a general position of an interface are applied to the propagating beam analysis of z-variant rib waveguides. The modified formula based on the semivectorial H-held is found to be more insensitive to variation in an interface position than that on the E-field. A discretization error is satisfactorily reduced in tilted and tapered rib waveguides.
引用
收藏
页码：1001 / 1003
页数：3
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