Slow light enhanced optical nonlinearity in a silicon photonic crystal coupled-resonator optical waveguide

被引:59
|
作者
Matsuda, Nobuyuki [1 ]
Kato, Takumi [1 ,2 ]
Harada, Ken-ichi [1 ]
Takesue, Hiroki [1 ]
Kuramochi, Eiichi [1 ]
Taniyama, Hideaki [1 ]
Notomi, Masaya [1 ]
机构
[1] NTT Corp, NTT Basic Res Labs, Kanagawa 2430198, Japan
[2] Tohoku Univ, Elect Commun Res Inst, Aoba Ku, Sendai, Miyagi 9808577, Japan
来源
OPTICS EXPRESS | 2011年 / 19卷 / 21期
基金
日本学术振兴会;
关键词
PULSE-COMPRESSION; LINE-DEFECT; BISTABILITY; PROPAGATION; DISPERSION; NANOCAVITIES; GENERATION; PROPOSAL; CHIP;
D O I
10.1364/OE.19.019861
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We demonstrate highly enhanced optical nonlinearity in a coupled-resonator optical waveguide (CROW) in a four-wave mixing experiment. Using a CROW consisting of 200 coupled resonators based on width-modulated photonic crystal nanocavities in a line defect, we obtained an effective nonlinear constant exceeding 10,000 /W/m, thanks to slow light propagation combined with a strong spatial confinement of light achieved by the wavelength-sized cavities. (C) 2011 Optical Society of America
引用
收藏
页码:19861 / 19874
页数:14
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