Modelling of two-dimensional grating couplers on silicon-on-insulator waveguides using beam propagation method

被引：8
|
作者：
Landru, N [1 ]
Pascal, D [1 ]
Koster, A [1 ]
机构：
[1] Univ Paris 11, Inst Elect Fondamentale, CNRS UMR 8622, F-91405 Orsay, France
来源：
OPTICS COMMUNICATIONS | 2001年 / 196卷 / 1-6期
关键词：
integrated optics; grating couplers; waveguide; beam propagation method;
D O I：
10.1016/S0030-4018(01)01363-3
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We show how the parameters of a 3-D laser beam can be taken into account in the calculation of the coupling efficiency into a waveguide via a diffraction grating. Two well known formalisms are used: (i) differential analysis of the stratified guiding structure supporting the grating, and (ii) beam propagation method used to model the propagation in the waveguide, Both are linked by the Helmholtz equation in which a source term has been added corresponding to the field diffracted by the grating. Some results are given. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：139 / 147
页数：9
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