电磁脉冲波在色散非线性介质中传播的约束插值剖面法数值分析

2017 IEEE International Conference on Computational Electromagnetics (ICCEM) Pub Date : 2017-03-01 DOI:10.1109/COMPEM.2017.7912812

H. Maeda

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引用次数: 1

摘要

采用约束插值剖面法(CIP)模拟了电磁脉冲波在色散非线性介质中的传播。在具有色散和非线性的一维空间中，经光载波调制的高斯包络脉冲在各种电场振幅下具有可靠的物理传播特性，表现出扩张性和聚光性包络波形。利用时域波形的快速傅里叶变换(FFT)，讨论了输入脉冲振幅与传播后频谱的关系。结果表明，在非线性介质中，当输入幅值较大时，载波频率周围的频谱增强。

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Numerical analysis of electromagnetic pulse wave propagation in dispersive and nonlinear medium by constrained interpolation profile method

Electromagnetic pulse wave propagation in dispersive and nonlinear dielectric medium is simulated by constrained interpolation profile (CIP) method. In one dimensional space with dispersion and nonlinearity, Gaussian envelope pulse modulated by optical carrier wave propagates physically reliable behavior for variety of electric field amplitudes, showing the spreading and the concentrating envelope wave form. By fast Fourier transform (FFT) of time domain wave form, dependencies of input pulse amplitude to the frequency spectrum after propagation are discussed. It shows that the spectra around carrier frequency is enhanced for larger input amplitude in nonlinear medium.

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2017 IEEE International Conference on Computational Electromagnetics (ICCEM)

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