71 lines
1.8 KiB
Python
71 lines
1.8 KiB
Python
"""
|
|
May 2023
|
|
|
|
Testing the new solver / operators structure
|
|
using parameters from the 2022 Optica paper
|
|
"""
|
|
import matplotlib.pyplot as plt
|
|
import numpy as np
|
|
from scipy.interpolate import interp1d
|
|
|
|
import scgenerator as sc
|
|
import scgenerator.math as math
|
|
import scgenerator.physics.units as units
|
|
import scgenerator.plotting as plot
|
|
import scgenerator.solver as sol
|
|
|
|
|
|
def main():
|
|
params = sc.Parameters(**sc.open_single_config("./tests/Optica_PM2000D/Optica_PM2000D.toml"))
|
|
# print(params.nonlinear_operator)
|
|
# print(params.compute("dispersion_op"))
|
|
# print(params.linear_operator)
|
|
# print(params.spec_0)
|
|
# print(params.compute("gamma_op"))
|
|
#
|
|
# plt.plot(params.w, params.linear_operator(0).imag)
|
|
# plt.show()
|
|
|
|
breakpoint()
|
|
|
|
res = sol.integrate(
|
|
params.spec_0, params.length, params.linear_operator, params.nonlinear_operator
|
|
)
|
|
|
|
new_z = np.linspace(0, params.length, 256)
|
|
|
|
specs2 = math.abs2(res.spectra)
|
|
specs2 = units.to_WL(specs2, params.l)
|
|
x = params.l
|
|
# x = units.THz.inv(w)
|
|
# new_x = np.linspace(100, 2200, 1024)
|
|
new_x = np.linspace(800e-9, 2000e-9, 1024)
|
|
solution = interp1d(res.z, specs2, axis=0)(new_z)
|
|
solution = interp1d(x, solution)(new_x)
|
|
solution = units.to_log2D(solution)
|
|
|
|
plt.imshow(
|
|
solution,
|
|
origin="lower",
|
|
aspect="auto",
|
|
extent=plot.get_extent(1e9 * new_x, new_z * 1e2),
|
|
vmin=-30,
|
|
)
|
|
plt.show()
|
|
|
|
fields = np.fft.irfft(res.spectra)
|
|
solution = math.abs2(fields)
|
|
solution = interp1d(res.z, solution, axis=0)(new_z)
|
|
solution.T[:] /= solution.max(axis=1)
|
|
plt.imshow(
|
|
solution,
|
|
origin="lower",
|
|
aspect="auto",
|
|
extent=plot.get_extent(params.t * 1e15, new_z * 1e2),
|
|
)
|
|
plt.show()
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|