Gaussian envelop modulated with sinusoidal signal is the source. The units are in nm,fs,eV. Perfectly matched layer boundary condition are imposed on both sides of the computational domain.
Sathyanarayan Rao (2022). 1D Finite Difference Time Domain simulation (FDTD) with Perfectly Matched Layer (PML) (https://www.mathworks.com/matlabcentral/fileexchange/53433-1d-finite-difference-time-domain-simulation-fdtd-with-perfectly-matched-layer-pml), MATLAB Central File Exchange. Retrieved .
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