Dispersion properties of photonic crystal waveguides with a low in-plane index contrast

被引：6
|
作者：
Augustin, M.
Iliew, R.
Etrich, C.
Setzpfandt, F.
Fuchs, H-J
Kley, E-B
Nolte, S.
Pertsch, T.
Lederer, F.
Tuennermann, A.
机构：
[1] Univ Jena, Inst Appl Phys, D-07743 Jena, Germany
[2] Univ Jena, Inst Condensed Matter Theory & Solid State Opt, D-07743 Jena, Germany
[3] Fraunhofer Inst Appl Opt & Precis Engn, D-07745 Jena, Germany
来源：
NEW JOURNAL OF PHYSICS | 2006年 / 8卷
关键词：
D O I：
10.1088/1367-2630/8/9/210
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
We investigate dispersion properties of photonic crystal waveguides in a low-index material system. The modes above the light line, of a waveguide consisting of one row of missing holes (W1), exhibit high losses due to out-of-plane radiation. In contrast, the index-guided modes below the light line show moderate losses and we demonstrate both theoretically and experimentally that high dispersion is possible. Furthermore we investigate wider defect waveguides operated within the photonic band gap, where a mini-stopband with a very large suppression of transmission was found. The dispersion properties of these waveguides are discussed.
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页数：13
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