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首页> 外文期刊>Optical and quantum electronics >Soliton-like pulse dynamics in add-drop optical filters based on nonlinear fiber grating couplers
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Soliton-like pulse dynamics in add-drop optical filters based on nonlinear fiber grating couplers

机译：基于非线性光纤光栅耦合器的分插滤光器中的类孤子脉冲动力学

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摘要

The dynamics characteristics of picosecond soliton-like pulses propagating through add-drop optical filters, based on lossless uniform and Gaussian nonlinear fiber grating couplers, are numerically investigated under different power levels. To obtain the temporal profiles, the nonlinear coupled-mode equations, that model these devices, are solved numerically. These devices can perform the extraction (drop) of an optical signal, since there is the reflection of a pulse previously switched between adjacent waveguides. The extraction efficiency, recurrently better at low power levels, is subordinated to the matching between the associated spectra of the input pulses and the hybrid devices analyzed. The switching effects, as well the gratings responsiveness, impact on the outputs profiles, since diverse temporal shapes can be obtained. The results reinforce the importance and the potential of properly engineered structures for all-optical processing requirements.
机译：基于无损均匀和高斯非线性光纤光栅耦合器，在不同功率水平下，对通过皮下分插光学滤波器传播的皮秒类孤子脉冲的动力学特性进行了数值研究。为了获得时间轮廓，对这些设备进行建模的非线性耦合模式方程在数值上得到了求解。由于存在先前在相邻波导之间切换的脉冲反射，因此这些设备可以执行光信号的提取（下降）操作。在低功率水平下，提取效率通常更高，这取决于输入脉冲的相关频谱与所分析的混合设备之间的匹配。开关效果以及光栅的响应性都会影响输出轮廓，因为可以获得各种时间形状。结果增强了对全光学处理要求进行适当设计的结构的重要性和潜力。

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  • 来源
    《Optical and quantum electronics》 |2009年第6期|441-452|共12页
  • 作者

    H. H. B. Rocha; J. L. S. Lima; C. S. Sobrinho; A. C. Ferreira; J. C. Sales; A. S. B. Sombra;

  • 作者单位

    Laboratory of Telecommunications and Materials Science and Engineering (LOCEM), Department of Physics (DF), Federal University of Ceard (UFC), Campus do Pici, 930, Fortaleza, CE 60455-760, Brazil Department of Teieinformatics Engineering (DETI), Federal University of Ceara (UFC), Campus do Pici, 725, Fortaleza, CE 60455-760, Brazil;

    rnFederal University of Semiarid Region (UFERSA), Mossoro, RN 59625-900, Brazil;

    rnLaboratory of Telecommunications and Materials Science and Engineering (LOCEM), Department of Physics (DF), Federal University of Ceard (UFC), Campus do Pici, 930, Fortaleza, CE 60455-760, Brazil;

    rnLaboratory of Telecommunications and Materials Science and Engineering (LOCEM), Department of Physics (DF), Federal University of Ceard (UFC), Campus do Pici, 930, Fortaleza, CE 60455-760, Brazil Department of Teieinformatics Engineering (DETI), Federal University of Ceara (UFC), Campus do Pici, 725, Fortaleza, CE 60455-760, Brazil;

    rnLaboratory of Telecommunications and Materials Science and Engineering (LOCEM), Department of Physics (DF), Federal University of Ceard (UFC), Campus do Pici, 930, Fortaleza, CE 60455-760, Brazil;

    rnLaboratory of Telecommunications and Materials Science and Engineering (LOCEM), Department of Physics (DF), Federal University of Ceard (UFC), Campus do Pici, 930, Fortaleza, CE 60455-760, Brazil;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    nonlinear fiber grating couplers; nonlinear optics; numerical simulation;

    机译：非线性光纤光栅耦合器;非线性光学数值模拟;

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