Design of sharp waveguide bends with a wide high-transmission bandwidth in triangular photonic crystal slab

被引：0
|
作者：
Chen, Rei-Shin [1 ]
Lin, Yu-Jia [1 ]
Lin, Yih-Bin [1 ]
机构：
[1] Lunghwa Univ Sci & Technol, Dept Elect Engn, Guishan 33306, Taoyuan County, Taiwan
来源：
NANOENGINEERING: FABRICATION, PROPERTIES, OPTICS, AND DEVICES VIII | 2011年 / 8102卷
关键词：
Photonic crystal; waveguide bend; photonic crystal slab; triangular lattice;
D O I：
10.1117/12.892003
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：
In this work, we design a 60-degree waveguide bend with a wide high-transmission bandwidth (similar to 9.8% of the center frequency, or 150 nm at the wavelength of 1550 nm) in a triangular photonic crystal slab. Within the high-transmission bandwidth, power reflection at the bend is found to be lower than 2% of the input power. Based on this 60-degree bend, a sharp 120-degree bend with a compact device area is proposed. Similar transmission efficiency is also found for this 120-degree bend.
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页数：6
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