# Simulation ########################################################################### # Type of dyspersion operator: build from Taylor expansion setup.dispersion = gnlse.DispersionFiberFromTaylor(loss, betas) solver = gnlse.GNLSE(setup) solution = solver.run() # Visualization ########################################################################### plt.figure(figsize=(10, 8)) plt.subplot(2, 2, 1) plt.title("Results for Taylor expansion") gnlse.plot_wavelength_vs_distance(solution, WL_range=[400, 1400]) plt.subplot(2, 2, 3) gnlse.plot_delay_vs_distance(solution, time_range=[-.5, 5]) # read mat file for neffs mat = gnlse.read_mat('../data/neff_pcf.mat') # neffs neff = mat['neff'][:, 1] # wavelengths in nm lambdas = mat['neff'][:, 0] * 1e9 # Type of dyspersion operator: build from interpolation of given neffs setup.dispersion = gnlse.DispersionFiberFromInterpolation( loss, neff, lambdas, setup.wavelength) solver = gnlse.GNLSE(setup) solution = solver.run() # Visualization
setup.self_steepening = False # Simulation ########################################################################### solver = gnlse.gnlse.GNLSE(setup) solution = solver.run() # Visualization ########################################################################### plt.figure(figsize=(15, 7)) plt.subplot(2, 3, 1) plt.title("3rd order soliton") gnlse.plot_wavelength_vs_distance(solution, WL_range=[400, 1400]) plt.subplot(2, 3, 4) gnlse.plot_delay_vs_distance(solution, time_range=[-.25, .25]) # Type of Ramman scattering function: None (default) # Selftepening: accounted setup.self_steepening = True # Simulation ########################################################################### solver = gnlse.gnlse.GNLSE(setup) solution = solver.run() # Visualization ########################################################################### plt.subplot(2, 3, 2) plt.title("3rd order soliton\nwith self-steepening") gnlse.plot_wavelength_vs_distance(solution, WL_range=[400, 1400]) plt.subplot(2, 3, 5) gnlse.plot_delay_vs_distance(solution, time_range=[-.25, .25])