Theoretical study on modulating group velocity of light in photonic crystal coupled cavity optical waveguide

被引：0

作者：

Lu Ying ^{[1
]}

Huang Xiao-hui ^{[1
]}

Fu Xiang-yong ^{[1
]}

Chu Dan-ping ^{[1
]}

Yao Jian-quan ^{[1
]}

机构：

[1] Tianjin Univ, Coll Precis Instruments & Optoelect Engn, Inst Laser & Optoelect, pre, Tianjin 300072, Peoples R China

来源：

OPTOELECTRONICS LETTERS | 2012年 / 8卷 / 01期

基金：

中国国家自然科学基金;

关键词：

D O I：

10.1007/s11801-012-0141-4

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We present a novel mechanism, which is formed by periodically changing the radii of dielectric rods in the middle row of a photonic crystal, to control and stop light. Using the Bloch theory and coupled-mode theory, the dispersion characteristic of such a photonic crystal coupled cavity optical waveguide is obtained. We also theoretically demonstrate that the group velocity of a light pulse in this system can be modulated by dynamically changing the refractive index or radii of the selected dielectric rods, and the light stopping can be achieved.

引用

页码：25 / 28

页数：4

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