Third-order dispersion and ultrafast-pulse propagation in silicon wire waveguides

被引:28
|
作者
Chen, Xiaogang [1 ]
Panoiu, Nicolae C. [1 ]
Hsieh, Iwei [1 ]
Dadap, Jerry I. [1 ]
Osgood, Richard M., Jr. [1 ]
机构
[1] Columbia Univ, Microelect Sci Labs, New York, NY 10027 USA
关键词
group velocity dispersion (GVD); self-phase modulation (SPM); silicon nanowire waveguide; soliton; third-order dispersion (TOD);
D O I
10.1109/LPT.2006.887214
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
The dynamics of femtosecond (fs) pulse propagation in dispersion engineered silicon-on-insulator (SOI) photonic wires is investigated numerically. For fs pulses propagating in millimeter-long SOI waveguides, the interplay between nonlinear effects, group velocity dispersion (GVD), and the third-order dispersion (TOD) results in significant pulse reshaping. At the zero-GVD (ZGVD) wavelength, TOD causes strong pulse-shape asymmetry in both the temporal and spectral domains. In addition, in the anomalous GVD region near the ZGVD wavelength, soliton-like pulse dynamics is observed.
引用
收藏
页码:2617 / 2619
页数:3
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