{ "cells": [ { "cell_type": "markdown", "metadata": {}, "source": [ "# Unitary Matrix Networks in the Frequency domain" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Imports" ] }, { "cell_type": "code", "execution_count": 1, "metadata": {}, "outputs": [], "source": [ "# standard library\n", "from collections import OrderedDict\n", "\n", "# photontorch\n", "import torch\n", "import photontorch as pt\n", "\n", "# other\n", "import numpy as np\n", "import matplotlib.pyplot as plt\n", "from tqdm.notebook import trange" ] }, { "cell_type": "markdown", "metadata": {}, "source": [ "## Settings" ] }, { "cell_type": "code", "execution_count": 2, "metadata": {}, "outputs": [ { "data": { "text/html": [ "
key | \n", "value | \n", "description | \n", "
---|---|---|
name | env | name of the environment |
t | 0.000e+00 | [s] full 1D time array. |
t0 | 0.000e+00 | [s] starting time of the simulation. |
t1 | None | [s] ending time of the simulation. |
num_t | 1 | number of timesteps in the simulation. |
dt | None | [s] timestep of the simulation |
samplerate | None | [1/s] samplerate of the simulation. |
bitrate | None | [1/s] bitrate of the signal. |
bitlength | None | [s] bitlength of the signal. |
wl | 1.550e-06 | [m] full 1D wavelength array. |
wl0 | 1.550e-06 | [m] start of wavelength range. |
wl1 | None | [m] end of wavelength range. |
num_wl | 1 | number of independent wavelengths in the simulation |
dwl | None | [m] wavelength step sizebetween wl0 and wl1. |
f | 1.934e+14 | [1/s] full 1D frequency array. |
f0 | 1.934e+14 | [1/s] start of frequency range. |
f1 | None | [1/s] end of frequency range. |
num_f | 1 | number of independent frequencies in the simulation |
df | None | [1/s] frequency step between f0 and f1. |
c | 2.998e+08 | [m/s] speed of light used during simulations. |
freqdomain | True | only do frequency domain calculations. |
grad | True | track gradients during the simulation |