Self-imaging effect in photonic crystal multimode waveguides exhibiting no band gaps

被引：0
|
作者：
于天宝 [1 ]
江晓清 [2 ]
廖清华 [3 ]
戚伟 [2 ]
杨建义 [2 ]
王明华 [2 ]
机构：
[1] Department of Information Science and Electronic Engineering,Zhejiang University,Hangzhou 310027 Department of Physics,Nanchang University,Nanchang 330047
[2] Department of Information Science and Electronic Engineering,Zhejiang University,Hangzhou 310027
[3] Department of Physics,Nanchang University,Nanchang 330047
来源：
ChineseOpticsLetters | 2007年 / 12期
关键词：
DBR; Self-imaging effect in photonic crystal multimode waveguides exhibiting no band gaps; TIR;
D O I：
暂无
中图分类号：
TN814 [波导、波导管、波导传输线];
学科分类号：
0810 ; 081001 ;
摘要：
The properties of the propagating field in multimode photonic crystal waveguides(PCWs)exhibiting no photonic band gaps (PBGs) are investigated.The transmission spectrum shows that the input field can be guided with high efficiency,and resemble index-guided modes owing to the combination of total internal reflection (TIR) and distributed Bragg reflection (DBR).Self-imaging effect happens and the filling fraction determines the beating lengths.The rows of air holes decide DBR coming from the mirrors on both sides of the guiding region,which governs the transmission spectrum.It provides a new way to realize the components for both polarizations by combining PBG and TIR effects in PCWs.
引用
收藏
页码：690 / 692
页数：3
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