A dispersion compensator using coupled defects in a photonic crystal

被引：70

作者：

Hosomi, K ^{[1
]}

Katsuyama, T ^{[1
]}

机构：

[1] Hitachi Ltd, Adv Res Lab, Tokyo 1858601, Japan

来源：

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

关键词：

coupled defect waveguide; dispersion compensator; group velocities; photonic crystal; tight-binding model;

D O I：

10.1109/JQE.2002.1017593

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 propose a new type of dispersion compensator that uses the characteristics of light traveling in a coupled defect waveguide (CDW) in a photonic crystal. By using a theoretical computation based on the plane-wave method, we show that the CDW band appears within the bandgap and its characteristics are well reproduced by the tight-binding (TB) model. We calculate the wavelength dispersion of light propagating in the CDW using TB formalism. The calculated result shows an inherently large dispersion of the CDW which enables the realization of an extremely small dispersion compensator of a few tens of millimeters in size.

引用

页码：825 / 829

页数：5

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