G-FDTD method for solving the NLSE using ABC

Soliton propagating under the G-FDTD method (M=1) for solving the NLSE with boundary points calculated using absorbing boundary conditions. G-FDTD Method: https://doi.org/10.1016/j.cpc.2013.03.006 ABC: https://doi.org/10.1016/j.cpc.2018.02.013