Si-based photonic crystals and photonic-band-gap waveguides

被引：1
|
作者：
Notomi, M [1 ]
Shinya, A [1 ]
Yamada, K [1 ]
Takahashi, J [1 ]
Takahashi, C [1 ]
Yokohama, I [1 ]
机构：
[1] NTT Corp, NTT Basic Res Labs, Atsugi, Kanagawa 2430198, Japan
来源：
PHOTONIC BANDGAP MATERIALS AND DEVICES | 2002年 / 4655卷
关键词：
photonic crystal; photonic band gap; line defect waveguide; SOI; photonic crystal slab. group dispersion;
D O I：
10.1117/12.463864
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We experimentally demonstrate the structural tuning of the waveguiding modes of line defects in photonic crystal slabs. By tuning the defect widths, we realized efficient single-mode waveguides that operate within photonic band gap frequencies in SOI photonic crystal slabs. The observed waveguiding characteristics agree very well with 3D finite-difference time-domain calculations. The propagation loss of the line defect waveguides is experimentally determined to be 6 dB/mm. In addition, we measure group velocity dispersion of line defects by using Fabry-Perot resonance of the sample. Extremely large group dispersion is observed, and the traveling speed of light is reduced down to 1/100 of the light velocity in air.
引用
收藏
页码：92 / 104
页数：13
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