Controlling group velocity in rectangular-lattice photonic crystal waveguides

被引：0
|
作者：
Reinke, CM [1 ]
Jafarpour, A [1 ]
Adibi, A [1 ]
Xu, Y [1 ]
Lee, RK [1 ]
机构：
[1] Georgia Inst Technol, Atlanta, GA 30332 USA
来源：
PHOTONIC CRYSTAL MATERIALS AND DEVICES | 2003年 / 5000卷
关键词：
D O I：
10.1117/12.480064
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
A method for controlling the dispersion and thus group velocity of guided modes in photonic crystal (PC) waveguides using bi- and quasi-periodic lattices is presented. Rectangular lattice photonic crystals are proposed as possible candidates for implementing such control. However, these structures, and generally all bi-periodic lattices, develop undesirable characteristics as the perfect square lattice is perturbed. Thus, quasi-periodic photonic crystals, which have been shown to be promising in selective mode engineering, were examined next. A possible scheme for engineering of a single mode PC waveguide with guiding through the entire bandgap is presented.
引用
收藏
页码：136 / 143
页数：8
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