Planar photonic crystal coupled cavity waveguides

被引：50
|
作者：
Karle, TJ [1 ]
Brown, DH
Wilson, R
Steer, M
Krauss, TF
机构：
[1] Univ St Andrews, Sch Phys & Astron, Ultrafast Photon Collaborat, St Andrews KY16 9SS, Fife, Scotland
[2] Univ Sheffield, Dept Elect & Elect Engn, EPSRC Cent Facil Semicond 3V, Sheffield S1 3JD, S Yorkshire, England
来源：
IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 2002年 / 8卷 / 04期
关键词：
coupled cavity waveguide; finite difference time domain; planar photonic crystal;
D O I：
10.1109/JSTQE.2002.801741
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
We present absolute transmission measurements of coupled cavity waveguides defined within planar photonic crystals. We investigate a range of cavity types and also vary the spacing between cavities. Modal analysis of the individual cavities reveals the symmetries that determine the coupling between adjacent cavities. Enhanced transmission is demonstrated by modifying the photonic crystal lattice. We highlight the need for correct impedance matching at the waveguide input in order to improve the transmission.
引用
收藏
页码：909 / 918
页数：10
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