Optical Soliton Simulation by Pseudospectral Method
2020
The dispersive phenomenon of group velocity dispersion (GVD) and fiber nonlinearity of self-phase modulation restrict the performance of the optical fiber communication, however, when there is an equilibrium between dispersive and nonlinearity effects, a solitary wave or soliton is generated. The soliton can propagate for a long-distance undistorted. This property makes it suitable to be employed in ultra-long haul communication. Optical soliton propagation in optical fiber is described by the nonlinear Schrodinger (NLS) equation. This research simulated optical soliton propagation by solving the NLS equation employing the pseudospectral method. It shows the optical soliton preserves its shape and amplitude for 100 km simulation.
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