Novel optical modulator using silicon photonic crystals

被引：6
|
作者：
Li, Jiu-Sheng [1 ]
机构：
[1] China Jiliang Univ, Ctr THz Res, Hangzhou 310018, Peoples R China
来源：
OPTICS AND LASER TECHNOLOGY | 2008年 / 40卷 / 06期
关键词：
optical modulator; photonic crystals; photonic band gap;
D O I：
10.1016/j.optlastec.2007.12.005
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We propose a novel compact and integrated optical modulator, which consists of p-i-n silicon photonic crystals with triangular lattice and a line defect waveguide. The device operation is based on a dynamic shift of the photonic band gap (PBG), which induced change in the silicon refractive index by the free carrier injection. We have numerically analyzed and investigated its light modulation performance by using plane wave expansion (PWE) method and finite-difference time-domain method. With small size, rapid response time and high extinct ratio, the designed optical modulator can be used in photonic integrated circuits. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：790 / 794
页数：5
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