Advanced boundary conditions for eigenmode expansion models

被引:35
作者
Bienstman, P [1 ]
Baets, R [1 ]
机构
[1] State Univ Ghent, IMEC, INTEC, Dept Informat Technol, B-9000 Ghent, Belgium
关键词
absorbing boundary conditions; eigenmode expansion; leaky modes; optical modelling; perfectly matched layers; transparent boundary conditions;
D O I
10.1007/BF02892615
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 order to realise the full potential of eigenmode expansion models, advanced boundary conditions are required that can absorb the radiation impinging on the walls of the discretisation volume. In this paper, we will discuss and compare a number of these boundary conditions, like perfectly matched layers (PMLs), open (leaky mode) boundary conditions and transparent boundary conditions (TBCs). We will also introduce the case of PMLs with infinite absorption and discuss its relation to leaky mode expansion, leading to a deeper insight into the physics of PML.
引用
收藏
页码:523 / 540
页数:18
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