Light propagation in a photonic-crystal-slab line-defect waveguide

被引：53

作者：

Tokushima, M ^{[1
]}

Yamada, H ^{[1
]}

机构：

[1] NEC Corp Ltd, Fundamental Res Labs, Quantum Informat Technol Grp, Tsukuba, Ibaraki 305, Japan

来源：

IEEE JOURNAL OF QUANTUM ELECTRONICS | 2002年 / 38卷 / 07期

关键词：

bandgap; guided mode; leaky mode; photonic crystal; slab; SOI; waveguide;

D O I：

10.1109/JQE.2002.1017585

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：

The guided and leaky modes of a photonic-crystal-slab line-defect waveguide were investigated by means of the direct three-dimensional (3-D) finite-difference time-domain (FDTD) simulation. The simulation predicted quasi-guided modes with long lifetimes in the cladding-mode continuum, while quasi-3-D analyses using projected band diagrams revealed only the existence of guided modes outside that continuum. It is shown that the direct 3-D analysis is necessary to account for measured transmission data for the photonic-crystal-slab line-defect waveguide with a finite length.

引用

页码：753 / 759

页数：7

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