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Effect of dark soliton on the spectral evolution of bright soliton in a silicon-on-insulator waveguide

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【作者】 刘振贾维国王红玉汪洋门克内木乐张俊萍

【Author】 Zhen Liu;Wei-Guo Jia;Hong-Yu Wang;Yang Wang;Neimule Men-Ke;Jun-Ping Zhang;School of Physical Science and Technology,Inner Mongolia University;

【通讯作者】 贾维国;

【机构】 School of Physical Science and Technology,Inner Mongolia University

【摘要】 The spectral evolution of bright soliton in a silicon-on-insulator optical waveguide is numerically simulated using the split-step Fourier method. The power and input chirp of the dark soliton and the second-order dispersion are varied to investigate the effect of dark soliton on the spectrum of bright soliton. The simulations prove that the dark soliton modifies the spectral shape of the bright soliton. Further, the variation in the power of dark soliton affects the splitting of bright soliton. Furthermore, the chirped dark soliton can improve the spectral width and flatness. The variation in the dispersion of dark soliton modifies the phase matching of the bright soliton and the dispersive wave emission, thereby affecting the spectral evolution.

【Abstract】 The spectral evolution of bright soliton in a silicon-on-insulator optical waveguide is numerically simulated using the split-step Fourier method. The power and input chirp of the dark soliton and the second-order dispersion are varied to investigate the effect of dark soliton on the spectrum of bright soliton. The simulations prove that the dark soliton modifies the spectral shape of the bright soliton. Further, the variation in the power of dark soliton affects the splitting of bright soliton. Furthermore, the chirped dark soliton can improve the spectral width and flatness. The variation in the dispersion of dark soliton modifies the phase matching of the bright soliton and the dispersive wave emission, thereby affecting the spectral evolution.

【基金】 Project supported by the National Natural Science Foundation of China (Grant No. 61741509)
  • 【文献出处】 Chinese Physics B ,中国物理B , 编辑部邮箱 ,2020年06期
  • 【分类号】O413
  • 【下载频次】11
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