An iterative finite difference beam propagation method for modeling second-order nonlinear effects in optical waveguides

被引：19

作者：

Chou, HF ^{[1
]}

Lin, CF

Wang, CC

机构：

[1] Natl Taiwan Univ, Inst Electroopt Engn, Taipei 10764, Taiwan

[2] Natl Taiwan Univ, Dept Elect Engn, Taipei 10764, Taiwan

来源：

JOURNAL OF LIGHTWAVE TECHNOLOGY | 1998年 / 16卷 / 09期

关键词：

difference frequency generation; finite-difference beam propagation method; quasi-phase matching; second harmonic generation; second-order nonlinear effects;

D O I：

10.1109/50.712253

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：

An iterative finite difference beam propagation method based on the Crank-Nicholson scheme is presented to simulate continuous wave (CW) second-order nonlinear effects in optical waveguides with the depletion of the pump wave taken into account, This method is an extension of the linear finite-difference beam propagation method and preserves the same order of accuracy. Comparisons with the previously published explicit finite difference beam propagation method and the rectangular approximation method are presented. Quasi-phase matched difference frequency generation in AlGaAs and quasi-phase-matched second harmonic generation in LiNbO3 are considered in the evaluation, showing that one iteration for the IFD-BPM is sufficient for the simulation with good accuracy and without increasing much computation time.

引用

页码：1686 / 1693

页数：8

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