signal generation working

src/single-core-regen/generate_signal.py

@@ -3,21 +3,17 @@ from datetime import datetime
 import hashlib
 from pathlib import Path
 import time
-from matplotlib import pyplot as plt
+from matplotlib import pyplot as plt  # noqa: F401
-import scipy
 import numpy as np
 
-from rich import inspect
-
 import _path_fix  # noqa: F401
 import pypho
-import io
 # import inspect
 
 default_config = f"""
 [glova]
-sps = 256
 nos = 256
+sps = 256
 f0 = 193414489032258.06
 symbolrate = 10e9
 wisdom_dir = "{str((Path.home() / ".pypho"))}"
@@ -34,19 +30,26 @@ birefsteps = 1
 ; birefseed = 0xC0FFEE
 
 [signal]
+; seed = 0xC0FFEE
+
 modulation = "pam"
 mod_order = 4
-mod_depth = 0.5
+mod_depth = 0.8
-laser_power = 0
+
-; seed = 0xC0FFEE
+max_jitter = 0.02
-pulse_shape = "gauss_rz"
-fwhm = 0.33
 ; jitter_seed = 0xC0FFEE
 
-[script]
+laser_power = 0
-data_dir = "{str((Path.home()/".pypho"/"data"))}"
+edfa_power = 3
-"""
+edfa_nf = 5
 
+pulse_shape = "gauss"
+fwhm = 0.33
+
+[data]
+dir = "data"
+npy_dir = "npys"
+"""
 
 
 def get_config(config_file=None):
@@ -72,8 +75,17 @@ def get_config(config_file=None):
             #     conf[section][key] = config[section][key].strip('"')
     return conf
 
+
 class pam_generator:
-    def __init__(self, glova, mod_order=None, mod_depth=0.5, pulse_shape='gauss', fwhm=0.33, seed=None) -> None:
+    def __init__(
+        self,
+        glova,
+        mod_order=None,
+        mod_depth=0.5,
+        pulse_shape="gauss",
+        fwhm=0.33,
+        seed=None,
+    ) -> None:
         self.glova = glova
         self.pulse_shape = pulse_shape
         self.modulation_depth = mod_depth
@@ -85,7 +97,6 @@ class pam_generator:
         symbols_x = symbols[0] / (self.mod_order or np.max(symbols[0]))
         symbols_y = symbols[1] / (self.mod_order or np.max(symbols[1]))
 
-        
         diffs_x = np.diff(symbols_x, prepend=symbols_x[0])
         diffs_y = np.diff(symbols_y, prepend=symbols_y[0])
 
@@ -93,10 +104,14 @@ class pam_generator:
         digital_x = self.generate_digital_signal(diffs_x, max_jitter)
         digital_y = self.generate_digital_signal(diffs_y, max_jitter)
 
-        digital_x = np.pad(digital_x, (0, self.glova.sps//2), 'constant', constant_values=(0,0))
+        digital_x = np.pad(
-        digital_y = np.pad(digital_y, (0, self.glova.sps//2), 'constant', constant_values=(0,0))
+            digital_x, (0, self.glova.sps // 2), "constant", constant_values=(0, 0)
+        )
+        digital_y = np.pad(
+            digital_y, (0, self.glova.sps // 2), "constant", constant_values=(0, 0)
+        )
 
-        if self.pulse_shape == 'gauss':
+        if self.pulse_shape == "gauss":
             wavelet = self.gauss(oversampling=6)
         else:
             raise ValueError(f"Unknown pulse shape: {self.pulse_shape}")
@@ -114,8 +129,8 @@ class pam_generator:
         E_y = E_y[self.glova.sps // 2 + len(wavelet) // 2 - 1 : -len(wavelet) // 2]
 
         # modulate the laser
-        np.multiply(E[0]['E'][0],E_x, out=E[0]['E'][0])
+        E[0]["E"][0] = np.sqrt(np.multiply(np.square(E[0]["E"][0]), E_x))
-        np.multiply(E[0]['E'][1],E_y, out=E[0]['E'][1])
+        E[0]["E"][1] = np.sqrt(np.multiply(np.square(E[0]["E"][1]), E_y))
 
         return E
 
@@ -133,78 +148,124 @@ class pam_generator:
         return signal
 
     def gauss(self, oversampling=1):
-        sample_points = np.linspace(-oversampling*self.glova.sps, oversampling*self.glova.sps, oversampling*2*self.glova.sps, endpoint=True)
+        sample_points = np.linspace(
+            -oversampling * self.glova.sps,
+            oversampling * self.glova.sps,
+            oversampling * 2 * self.glova.sps,
+            endpoint=True,
+        )
         sigma = self.fwhm / (1 * np.sqrt(2 * np.log(2))) * self.glova.sps
-        pulse = 1/(sigma*np.sqrt(2*np.pi))*np.exp(-np.square(sample_points)/(2*np.square(sigma)))
+        pulse = (
+            1
+            / (sigma * np.sqrt(2 * np.pi))
+            * np.exp(-np.square(sample_points) / (2 * np.square(sigma)))
+        )
         return pulse
 
 
 def initialize_fiber_and_data(config, input_data_override=None):
     py_glova = pypho.setup(
-        nos = config['glova']['nos'],
+        nos=config["glova"]["nos"],
-        sps = config['glova']['sps'],
+        sps=config["glova"]["sps"],
-        f0 = config['glova']['f0'],
+        f0=config["glova"]["f0"],
-        symbolrate=config['glova']['symbolrate'],
+        symbolrate=config["glova"]["symbolrate"],
-        wisdom_dir = config['glova']['wisdom_dir'],
+        wisdom_dir=config["glova"]["wisdom_dir"],
-        flags = config['glova']['flags'],
+        flags=config["glova"]["flags"],
-        nthreads = config['glova']['nthreads'],
+        nthreads=config["glova"]["nthreads"],
     )
 
     c_glova = pypho.cfiber.GlovaWrapper.from_setup(py_glova)
     c_data = pypho.cfiber.DataWrapper(py_glova.sps * py_glova.nos)
+    py_edfa = pypho.oamp(py_glova, Pmean=config["signal"]["edfa_power"], NF=config["signal"]["edfa_nf"])
 
     if input_data_override is not None:
-        c_data.E_in = input_data_override
+        c_data.E_in = input_data_override[0]
+        noise = input_data_override[1]
     else:
-        config['signal']['seed'] = config['signal'].get('seed',(int(time.time()*1000))%2**32)
+        config["signal"]["seed"] = config["signal"].get(
-        config['signal']['jitter_seed'] = config['signal'].get('jitter_seed', (int(time.time()*1000))%2**32)
+            "seed", (int(time.time() * 1000)) % 2**32
-        symbolsrc = pypho.symbols(py_glova, py_glova.nos, pattern='ones', seed=config['signal']['seed'])
+        )
-        laser = pypho.lasmod(py_glova, power=config['signal']['laser_power'], Df=0, theta=np.pi/4)
+        config["signal"]["jitter_seed"] = config["signal"].get(
-        modulator = pam_generator(py_glova, mod_depth=config['signal']['mod_depth'], pulse_shape=config['signal']['pulse_shape'], fwhm=config['signal']['fwhm'], seed=config['signal']['jitter_seed'])
+            "jitter_seed", (int(time.time() * 1000)) % 2**32
+        )
+        symbolsrc = pypho.symbols(
+            py_glova, py_glova.nos, pattern="ones", seed=config["signal"]["seed"]
+        )
+        laser = pypho.lasmod(
+            py_glova, power=config["signal"]["laser_power"]+1.5, Df=0, theta=np.pi / 4
+        )
+        modulator = pam_generator(
+            py_glova,
+            mod_depth=config["signal"]["mod_depth"],
+            pulse_shape=config["signal"]["pulse_shape"],
+            fwhm=config["signal"]["fwhm"],
+            seed=config["signal"]["jitter_seed"],
+        )
 
-        symbols_x = symbolsrc(pattern='random', p1=config['signal']['mod_order'])
+        symbols_x = symbolsrc(pattern="random", p1=config["signal"]["mod_order"])
-        symbols_y = symbolsrc(pattern='random', p1=config['signal']['mod_order'])
+        symbols_y = symbolsrc(pattern="random", p1=config["signal"]["mod_order"])
         symbols_x[:3] = 0
         symbols_y[:3] = 0
 
         cw = laser()
-        cw[0]['E']*=np.sqrt(2)
 
         source_signal = modulator(E=cw, symbols=(symbols_x, symbols_y))
         
-        c_data.E_in = source_signal[0]['E']
+        source_signal = py_edfa(E=source_signal)
+
+        c_data.E_in = source_signal[0]["E"]
+        noise = source_signal[0]["noise"]
 
     py_fiber = pypho.fiber(
         glova=py_glova,
-        l=config['fiber']['length'],
+        l=config["fiber"]["length"],
-        alpha=pypho.functions.dB_to_Neper(config['fiber']['alpha'])/1000,
+        alpha=pypho.functions.dB_to_Neper(config["fiber"]["alpha"]) / 1000,
-        gamma=config['fiber']['gamma'],
+        gamma=config["fiber"]["gamma"],
-        D=config['fiber']['d'],
+        D=config["fiber"]["d"],
-        S=config['fiber']['s'],
+        S=config["fiber"]["s"],
+    )
+    if config["fiber"]["birefsteps"] > 0:
+        config["fiber"]["birefseed"] = config["fiber"].get(
+            "birefseed", (int(time.time() * 1000)) % 2**32
+        )
+        py_fiber.birefarray = pypho.birefringence_segment.create_pmd_fibre(
+            py_fiber.l,
+            py_fiber.l / config["fiber"]["birefsteps"],
+            0,
+            config["fiber"]["birefseed"],
+        )
+    c_params = pypho.cfiber.ParamsWrapper.from_fiber(
+        py_fiber, max_step=1e3 if py_fiber.gamma == 0 else 200
     )
-    if config['fiber']['birefsteps'] > 0:
-        config['fiber']['birefseed'] = config['fiber'].get('birefseed', (int(time.time()*1000))%2**32)
-        py_fiber.birefarray = pypho.birefringence_segment.create_pmd_fibre(py_fiber.l, py_fiber.l/config['fiber']['birefsteps'], 0, config['fiber']['birefseed'])
-    c_params = pypho.cfiber.ParamsWrapper.from_fiber(py_fiber, max_step=1e3)
     c_fiber = pypho.cfiber.FiberWrapper(c_data, c_params, c_glova)
 
-    return c_fiber, c_data
+    return c_fiber, c_data, noise, py_edfa
 
 
 def save_data(data, config):
-    data_dir = Path(config['script']['data_dir'])
+    data_dir = Path(config["data"]["dir"])
-    save_dir = data_dir
+    npy_dir = config["data"].get("npy_dir", "")
+    save_dir = data_dir / npy_dir if len(npy_dir) else data_dir
     save_dir.mkdir(parents=True, exist_ok=True)
-    save_data = np.column_stack([data.E_in[0], data.E_in[1], data.E_out[0], data.E_out[1]])
+    save_data = np.column_stack([
+        data.E_in[0],
+        data.E_in[1],
+        data.E_out[0],
+        data.E_out[1],
+    ])
     timestamp = datetime.now()
-    config_content = '\n'.join((
+    seed = config["signal"].get("seed", False)
-        f"; Generated by {str(Path(__file__).name)} @ {timestamp.strftime("%Y-%m-%d %H:%M:%S")}",
+    jitter_seed = config["signal"].get("jitter_seed", False)
+    birefseed = config["fiber"].get("birefseed", False)
+
+    config_content = "\n".join((
+        f"; Generated by {str(Path(__file__).name)} @ {timestamp.strftime('%Y-%m-%d %H:%M:%S')}",
         "[glova]",
         f"sps = {config['glova']['sps']}",
         f"nos = {config['glova']['nos']}",
         f"f0 = {config['glova']['f0']}",
         f"symbolrate = {config['glova']['symbolrate']}",
-        f'wisdom_dir = "{config['glova']['wisdom_dir']}"',
+        f'wisdom_dir = "{config["glova"]["wisdom_dir"]}"',
         f'flags = "{config["glova"]["flags"]}"',
         f"nthreads = {config['glova']['nthreads']}",
         " ",
@@ -215,34 +276,43 @@ def save_data(data, config):
         f"D = {config['fiber']['d']}",
         f"S = {config['fiber']['s']}",
         f"birefsteps = {config['fiber']['birefsteps']}",
-        f"birefseed = {config['fiber'].get('birefseed', 'not set')}",
+        f"birefseed = {hex(birefseed)}" if birefseed else "; birefseed = not set",
         "",
         "[signal]",
-        f'modulation = "{config['signal']['modulation']}"',
+        f"seed = {hex(seed)}" if seed else "; seed = not set",
+        "",
+        f'modulation = "{config["signal"]["modulation"]}"',
         f"mod_order = {config['signal']['mod_order']}",
         f"mod_depth = {config['signal']['mod_depth']}",
-        f"seed = {config['signal'].get('seed', 'not set')}",
+        ""
+        f"max_jitter = {config['signal']['max_jitter']}",
+        f"jitter_seed = {hex(jitter_seed)}" if jitter_seed else "; jitter_seed = not set",
+        ""
+        f"laser_power = {config['signal']['laser_power']}",
+        f"edfa_power = {config['signal']['edfa_power']}",
+        f"edfa_nf = {config['signal']['edfa_nf']}",
+        ""
         f'pulse_shape = "{config["signal"]["pulse_shape"]}"',
         f"fwhm = {config['signal']['fwhm']}",
-        f"max_jitter = {config['signal']['max_jitter']}",
-        f"jitter_seed = {config['signal'].get('jitter_seed', 'not set')}",
         "",
-        "[script]",
+        "[data]",
-        f'data_dir = "{config["script"]["data_dir"]}"',
+        f'dir = "{str(data_dir)}"',
+        f'npy_dir = "{npy_dir}"',
+        "file = "
     ))
     config_hash = hashlib.md5(config_content.encode()).hexdigest()
-    save_file = f"npys/{config_hash}.npy"
+    save_file = f"{config_hash}.npy"
-    config_content += f'\n\n[DATA]\nfile = "{str(save_file)}\n"'
+    config_content += f'"{str(save_file)}"\n'
 
     filename_components = (
         timestamp.strftime("%Y%m%d-%H%M%S"),
-        config['glova']['sps'],
+        config["glova"]["sps"],
-        config['glova']['nos'],
+        config["glova"]["nos"],
-        config['fiber']['length'],
+        config["fiber"]["length"],
-        config['fiber']['gamma'],
+        config["fiber"]["gamma"],
-        config['fiber']['alpha'],
+        config["fiber"]["alpha"],
-        config['fiber']['d'],
+        config["fiber"]["d"],
-        config['fiber']['s'],
+        config["fiber"]["s"],
         f"{config['signal']['modulation'].upper()}{config['signal']['mod_order']}",
     )
 
@@ -255,13 +325,8 @@ def save_data(data, config):
     print("Saved config to", data_dir / lookup_file)
     print("Saved data to", save_dir / f"{config_hash}.npy")
 
-def length_loop(config):
-    # loop over lengths
-    # lengths = [100, 200, 300, 400, 500, 600, 700, 800, 900, 1000, 2000, 3000, 4000, 5000, 6000, 7000, 8000, 9000, 10000, 20000, 30000, 40000, 50000, 60000, 70000, 80000, 90000, 100000]
-    ranges = [1, 10, 100, 1000, 10000, 100000]
-    lengths = [list(range(length_range,10*length_range, length_range)) for length_range in ranges]
-    lengths = [length for length_range in lengths for length in length_range]
 
+def length_loop(config, lengths):
     lengths = sorted(lengths)
     input_override = None
     for lind, length in enumerate(lengths):
@@ -269,51 +334,165 @@ def length_loop(config):
         if lind > 0:
             # set the length to the difference between the current and previous length -> incremental
             length = lengths[lind] - lengths[lind - 1]
-        print(f"\nGenerating data for fiber length {lengths[lind]}m -> {length}m")
+        print(
-        config['fiber']['length'] = length
+            f"\nGenerating data for fiber length {lengths[lind]}m [using {length}m increment]"
+        )
+        config["fiber"]["length"] = length
         # set the input data to the output data of the previous run
-        cfiber, cdata = initialize_fiber_and_data(config, input_data_override=input_override)
+        cfiber, cdata, noise, edfa = initialize_fiber_and_data(
+            config, input_data_override=input_override
+        )
 
         if lind == 0:
             cdata_orig = cdata
 
-        energy_in = np.sum(np.abs(cdata.E_in[0])**2 + np.abs(cdata.E_in[1])**2)/(cfiber.glova.symbolrate*cfiber.glova.sps)
+        mean_power_in = np.sum(pypho.functions.getpower_W(cdata.E_in))
-        print(f"Energy in:  {energy_in} J")
+        print(
+            f"Mean power in:  {mean_power_in:.3e} W ({pypho.functions.W_to_dBm(mean_power_in):.3e} dBm)"
+        )
 
         cfiber()
 
-        energy_out = np.sum(np.abs(cdata.E_out[0])**2 + np.abs(cdata.E_out[1])**2)/(cfiber.glova.symbolrate*cfiber.glova.sps)
-        print(f"Energy out: {energy_out} J")
 
-        input_override = cdata.E_out
+        mean_power_out = np.sum(pypho.functions.getpower_W(cdata.E_out))
+        print(
+            f"Mean power out: {mean_power_out:.3e} W ({pypho.functions.W_to_dBm(mean_power_out):.3e} dBm)"
+        )
+
+        input_override = (cdata.E_out, noise)
         cdata.E_in = cdata_orig.E_in
-        config['fiber']['length'] = lengths[lind]
+        config["fiber"]["length"] = lengths[lind]
+        E_tmp = [{'E': cdata.E_out, 'noise': noise*(-cfiber.params.l*cfiber.params.alpha)}]
+        E_tmp = edfa(E=E_tmp)
+        cdata.E_out = E_tmp[0]['E']
         save_data(cdata, config)
 
+    in_out_eyes(cfiber, cdata)
+
+
+def single_run_with_plot(config):
+    cfiber, cdata, noise, edfa = initialize_fiber_and_data(config)
+
+    mean_power_in = np.sum(pypho.functions.getpower_W(cdata.E_in))
+    print(
+        f"Mean power in:  {mean_power_in:.3e} W ({pypho.functions.W_to_dBm(mean_power_in):.3e} dBm)"
+    )
+
+    cfiber()
+
+    mean_power_out = np.sum(pypho.functions.getpower_W(cdata.E_out))
+    print(
+        f"Mean power out: {mean_power_out:.3e} W ({pypho.functions.W_to_dBm(mean_power_out):.3e} dBm)"
+    )
+
+    E_tmp = [{'E': cdata.E_out, 'noise': noise*(-cfiber.params.l*cfiber.params.alpha)}]
+    E_tmp = edfa(E=E_tmp)
+    cdata.E_out = E_tmp[0]['E']
+    save_data(cdata, config)
+
+    in_out_eyes(cfiber, cdata)
+
+def in_out_eyes(cfiber, cdata):
+    fig, axs = plt.subplots(2, 2, sharex=True, sharey=True)
+    eye_head = min(cfiber.glova.nos, 2000)
+    symbolrate_scale = 1e12
+    amplitude_scale = 1e3
+    plot_eye_diagram(
+        amplitude_scale * np.abs(cdata.E_in[0]) ** 2,
+        2 * cfiber.glova.sps,
+        normalize=False,
+        samplerate=cfiber.glova.symbolrate * cfiber.glova.sps / symbolrate_scale,
+        head=eye_head,
+        ax=axs[0][0],
+        show=False,
+    )
+    plot_eye_diagram(
+        amplitude_scale * np.abs(cdata.E_out[0]) ** 2,
+        2 * cfiber.glova.sps,
+        normalize=False,
+        samplerate=cfiber.glova.symbolrate * cfiber.glova.sps / symbolrate_scale,
+        head=eye_head,
+        ax=axs[0][1],
+        color="C1",
+        show=False,
+    )
+    plot_eye_diagram(
+        amplitude_scale * np.abs(cdata.E_in[1]) ** 2,
+        2 * cfiber.glova.sps,
+        normalize=False,
+        samplerate=cfiber.glova.symbolrate * cfiber.glova.sps / symbolrate_scale,
+        head=eye_head,
+        ax=axs[1][0],
+        show=False,
+    )
+    plot_eye_diagram(
+        amplitude_scale * np.abs(cdata.E_out[1]) ** 2,
+        2 * cfiber.glova.sps,
+        normalize=False,
+        samplerate=cfiber.glova.symbolrate * cfiber.glova.sps / symbolrate_scale,
+        head=eye_head,
+        ax=axs[1][1],
+        color="C1",
+        show=False,
+    )
+
+    title_map = [
+        ["Input x", "Output x"],
+        ["Input y", "Output y"],
+    ]
+    title_map = np.array(title_map)
+    for ax, title in zip(axs.flatten(), title_map.flatten()):
+        ax.grid(True)
+        ax.set_xlabel("Time [ps]")
+        ax.set_ylabel("Power [mW]")
+        ax.set_title(title)
+    fig.tight_layout()
+
+    plt.show()
+
+
+def plot_eye_diagram(
+    signal: np.ndarray,
+    eye_width,
+    offset=0,
+    *,
+    head=None,
+    samplerate=1,
+    normalize=True,
+    ax=None,
+    color="C0",
+    show=True,
+):
+    ax = ax or plt.gca()
+    if head is not None:
+        signal = signal[: head * eye_width]
+    if normalize:
+        signal = signal / np.max(signal)
+    slices = np.lib.stride_tricks.sliding_window_view(signal, eye_width + 1)[
+        offset % (eye_width + 1) :: eye_width
+    ]
+    plt_ax = np.arange(-eye_width // 2, eye_width // 2 + 1) / samplerate
+    for slice in slices:
+        ax.plot(plt_ax, slice, color=color, alpha=0.1)
+    ax.grid()
+    if show:
+        plt.show()
+
+
 if __name__ == "__main__":
     config = get_config()
 
-    length_loop(config)
+    length_ranges = [1, 10, 100, 1000, 10000]
+    length_ranges = [1000, 10000]
+    length_scales = [1, 2, 5]
 
-    # cfiber, cdata = initialize_fiber_and_data(config)
+    lengths = [
-    # cfiber()
+        length_scale * length_range
+        for length_range in length_ranges
+        for length_scale in length_scales
+    ]
+    lengths.append(max(length_ranges))
 
-    # energy_in = np.sum(np.abs(cdata.E_in[0])**2 + np.abs(cdata.E_in[1])**2)/(cfiber.glova.symbolrate*cfiber.glova.sps)
+    # length_loop(config, lengths)
-    # energy_out = np.sum(np.abs(cdata.E_out[0])**2 + np.abs(cdata.E_out[1])**2)/(cfiber.glova.symbolrate*cfiber.glova.sps)
-    # print(f"Energy in:  {energy_in} J")
-    # print(f"Energy out: {energy_out} J")
-    # save_data(cdata, config)
 
-    # fig, axs = plt.subplots(2, 1, sharex=True, sharey=True)
+    single_run_with_plot(config)
-    # xax = np.linspace(0, cfiber.glova.nos, cfiber.glova.nos*cfiber.glova.sps)-0.5
-    # axs[0].plot(xax,np.abs(cdata.E_in[0])**2)
-    # axs[0].plot(xax,np.abs(cdata.E_out[0])**2)
-    # axs[0].set_title("x")
-    # axs[0].grid()
-
-    # axs[1].plot(xax,np.abs(cdata.E_in[1])**2)
-    # axs[1].plot(xax,np.abs(cdata.E_out[1])**2)
-    # axs[1].set_title("y")
-    # axs[1].grid()
-
-    # plt.show()

src/single-core-regen/signal_generation.ini

@@ -1,8 +1,6 @@
 [glova]
-; sps = 256
-; nos = 2**17
-sps = 128
 nos = 2**14
+sps = 128
 f0 = 193414489032258.06
 ; -> delta0 = 1550.0 nm
 symbolrate = 10e9
@@ -11,9 +9,9 @@ flags = "FFTW_PATIENT"
 nthreads = 32
 
 [fiber]
-length = 100000
+length = 100
 gamma = 0
-alpha = 0.2
+alpha = 0
 D = 17
 ; 1700 ps/nm/km @ 1 km length is equivalent to 17 ps/nm/km @ 100 km length but the simulation is way faster
 S = 0
@@ -21,15 +19,22 @@ birefsteps = 0
 ; birefseed = 0xC0FFEE
 
 [signal]
+seed = 0xC0FFEE
+
 modulation = "pam"
 mod_order = 4
-mod_depth = 1
+mod_depth = 0.8
-laser_power = 0
+
-seed = 0xC0FFEE
-pulse_shape = "gauss"
-fwhm = 0.33
 max_jitter=0.02
 ; jitter_seed = 0xC0FFEE
 
-[script]
+laser_power = 0
-data_dir = "/home/suppl/.pypho/data"
+edfa_power = 3
+edfa_nf = 5
+
+pulse_shape = "gauss"
+fwhm = 0.33
+
+[data]
+dir = "data"
+npy_dir = "npys"