Improved broad bandwidth intersections in photonic crystals

被引：5
作者：
Zhou, Jianhong [1 ]
Di, Xu [1 ]
Mu, Da [1 ]
Yang, Jinhua [1 ]
Han, Wenbo [1 ]
机构：
[1] Changchun Univ Sci & Technol, Sch Photoelect Engn, Changchun 130022, Peoples R China
来源：
OPTICS COMMUNICATIONS | 2012年 / 285卷 / 01期
基金：
中国国家自然科学基金;
关键词：
Intersection; Cavity; Waveguide; Photonic crystal; WAVE-GUIDE; CROSS-TALK;
D O I：
10.1016/j.optcom.2011.08.081
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We theoretically investigate the transmission properties of a cascade of cavities coupled to waveguide by the time domain coupled-mode theory. Based on the theoretical analysis, broad bandwidth optical waveguide intersections in photonic crystals are modeled and optimized. The transmission properties are simulated by finite-difference time-domain method and transmission coefficients higher than 98% for a wide frequency range between 0360 (2 pi c/a) and 0.364 (2 pi c/a) are obtained. (C) 2011 Elsevier B.V. All rights reserved.
引用
收藏
页码：38 / 40
页数：3
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