A new method for the calculation of the dispersion of nonperiodic photonic crystal waveguides

被引：14

作者：

Jafarpour, A ^{[1
]}

Reinke, CM

Adibi, A

Xu, Y

Lee, RK

机构：

[1] Georgia Inst Technol, Sch Elect & Comp Engn, Atlanta, GA 30332 USA

[2] CALTECH, Dept Appl Phys, Pasadena, CA 91125 USA

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2004年 / 40卷 / 08期

关键词：

dispersion; photonic crystal; waveguide;

D O I：

10.1109/JQE.2004.831613

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：

We present a new method for the calculation of the dispersion diagrams of general nonuniform waveguides. The method is based on the spatial Fourier transform (SFT) of the electromagnetic field distribution along the guiding direction. We demonstrate the validity and robustness of the SFT technique using several test cases. As an application, we apply the method to analyze the dispersion of biperiodic photonic crystal waveguides and show that the guiding bandwidths of these waveguides can be significantly enhanced by a proper choice of the two distinctive spatial periods of the biperiodic waveguides.

引用

页码：1060 / 1067

页数：8

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