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Improved bidirectional beam-propagation method by a fourth-order finite-difference scheme
被引:6
|作者:
Zhang, Hua
[1
]
Mu, Jianwei
[1
]
Huang, Wei-Ping
[1
]
机构:
[1] McMaster Univ, Dept Elect & Comp Engn, Hamilton, ON L8S 4K1, Canada
关键词:
bidirectional beam propagation;
finite-difference methods;
high-index-contrast waveguides;
scattering operators;
D O I:
10.1109/JLT.2007.902762
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 fourth-order finite-difference formula is applied to bidirectional beam-propagation method based on scattering operators. The method is shown to provide significant improvement in accuracy and efficiency, particularly for waveguide structures of high index contrast.
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页码:2807 / 2813
页数:7
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