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Wider bandwidth with high transmission through waveguide bends in two-dimensional photonic crystal slabs

被引：152
|
作者：
Chutinan, A
Okano, M
Noda, S
机构：
[1] Japan Sci & Technol Corp, CREST, Kyoto 6068501, Japan
[2] Kyoto Univ, Dept Elect Sci & Engn, Sakyo Ku, Kyoto 6068501, Japan
来源：
APPLIED PHYSICS LETTERS | 2002年 / 80卷 / 10期
关键词：
D O I：
10.1063/1.1458529
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
We demonstrate the use of a defect to improve the transmission property of waveguide bends in two-dimensional photonic crystal slabs. We show that high reflection in the two-dimensional photonic crystal slab previously reported is due to the fact that the waveguide is multimoded at the bend while it is single moded along the straight waveguide. By making the waveguide single moded at the bend, the transmission property can be significantly improved. An extension of more than twice of high-transmission bandwidth is achieved. (C) 2002 American Institute of Physics.
引用
收藏
页码：1698 / 1700
页数：3
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