# 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])