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

页数：4

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