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

页码：92 / 104

页数：13

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