3-DIMENSIONAL FINITE-DIFFERENCE BEAM PROPAGATION ALGORITHMS FOR PHOTONIC DEVICES

被引:29
作者
LEE, PC
SCHULZ, D
VOGES, E
机构
[1] Lehrstuhl für Hochfrequenztechnik, Universitüt Dortmund, Dortmond, 50, Postfach 50 05 00
关键词
D O I
10.1109/50.202835
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
Finite difference beam propagation techniques are developed for photonic devices with step-index distributions and arbitrarily large index differences. One technique, the eigenvector expansion method allows large propagation steps along uniform waveguide sections. The second technique, a propagation matrix series expansion method is particularly suitable for three-dimensional wave propagation simulations. It can easily handle 10(5) discretization points on personal computers or workstations. The first mentioned method employs absorbing boundary conditions while the second utilizes transparent boundary conditions at the edges of the computational windows. The accuracy and applicability of these techniques is demonstrated for several 2-D and 3-D test structures.
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收藏
页码:1832 / 1838
页数:7
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