Broadband, high-transmission and low-crosstalk intersection for strip waveguides embedded in two-dimensional photonic crystals

被引：1
|
作者：
Zhang, Yao [1 ]
Huang, Wanwen [1 ]
Li, Baojun [1 ]
机构：
[1] Sun Yat Sen Univ, Sch Phys & Engn, State Key Lab Optoelect Mat & Technol, Guangzhou 510275, Guangdong, Peoples R China
来源：
JOURNAL OF OPTICS A-PURE AND APPLIED OPTICS | 2008年 / 10卷 / 09期
基金：
中国国家自然科学基金;
关键词：
photonic integrated circuits; waveguide intersection; strip waveguide; two-dimensional photonic crystals;
D O I：
10.1088/1464-4258/10/9/095302
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A waveguide intersection has been proposed with a square dielectric resonant cavity at the crossing section for strip waveguides embedded in two-dimensional photonic crystals. Parameters of the strip waveguides and the square cavity are optimized to provide wide bandwidths for both high transmission and low crosstalk for the intersection. A transmission of higher than -0.46 dB and a crosstalk of lower than -13 dB were obtained with bandwidths of 30.6% and 54.5% of the entire photonic bandgap, respectively.
引用
收藏
页数：4
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