Abstract
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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