def add_monitors(
component: Component,
source_port_name: str = "o1",
extension_length: float = 1.0,
source_distance_to_monitors: float = 0.2,
port_margin: float = 1.0,
layer_monitor: Tuple[int, int] = (101, 0),
layer_source: Tuple[int, int] = (110, 0),
layer_simulation_region: Tuple[int, int] = (2, 0),
top: float = 0.0,
bottom: float = 0.0,
right: float = 0.0,
left: float = 0.0,
) -> Component:
"""Add monitors in layer_monitor, incrementing the layer number for each port
Then extends all ports by source_distance_to_monitors
Then add source in source_port_name
Finally extends all ports by extension_length
returns device centered at x=0, y=0
Args:
component: to add monitors
source_port_name: name of the port to add the mode source
extension_length: extension lenght when extending the ports
port_margin: from waveguide edge to port edge
layer_monitor: layer for the fist monitor
layer_source: layer for the source
layer_simulation_region: layer for the simulation region
top: simulation region top padding
bottom: simulation region south padding
right: simulation region east padding
left: simulation region west padding
Returns: component with extended ports and monitors
"""
c = gf.Component(f"{component.name}_monitors")
# add monitors
component_with_monitors = add_monitors_and_extend_ports(
component=component,
extension_length=source_distance_to_monitors,
port_margin=port_margin,
layer=layer_monitor,
)
# add source
component_with_source = add_monitors_and_extend_ports(
component_with_monitors,
extension_length=extension_length,
port_labels=[source_port_name],
layer=layer_source,
)
# add simulation region
component_with_padding = gf.add_padding(
component=component_with_source,
default=0,
layers=[layer_simulation_region],
top=top,
bottom=bottom,
right=right,
left=left,
)
c.add(component_with_padding)
c.ports = component_with_padding.ports
return c
m.z = 0
monitors[port_name] = m
return dict(
sim=sim,
cell_size=cell_size,
freqs=freqs,
monitors=monitors,
sources=sources,
field_monitor_point=field_monitor_point,
port_source_name=port_source_name,
)
if __name__ == "__main__":
c = gf.components.straight(length=2)
c = gf.add_padding(c, default=0, bottom=2, top=2, layers=[(100, 0)])
c = gf.components.mmi1x2()
c = gf.add_padding(c, default=0, bottom=2, top=2, layers=[(100, 0)])
c = gf.components.bend_circular(radius=2)
c = gf.add_padding(c, default=0, bottom=2, right=2, layers=[(100, 0)])
sim_dict = get_simulation(c, is_3d=False)
sim = sim_dict["sim"]
sim.plot2D() # plot top view
# center = (0, 0, 0)
# size = sim.cell_size
# sim.plot2D(
def compare_mpb_lumerical(plot=False):
"""
WARNING: Segmentation fault occurs if both ms object above and sim object exist in memory at the same time
Instead load results from separate MPB run
Same namespace run does not work
# MPB mode
# ms = get_mode_solver_rib(wg_width=0.5)
# modes = find_modes(mode_solver=ms, res=50)
# m1_MPB = modes[1]
separate namespace run does not work either
# m1_MPB = MPB_eigenmode()
"""
# Test data
filepath = gf.CONFIG["module_path"] / "simulation" / "gmeep" / "test_data"
# MPB calculation
# Load previously-computed waveguide results
m1_MPB_neff = np.load(filepath / "stripWG_mpb" / "neff1.npy")
m1_MPB_E = np.load(filepath / "stripWG_mpb" / "E1.npy")
m1_MPB_H = np.load(filepath / "stripWG_mpb" / "H1.npy")
m1_MPB_y = np.load(filepath / "stripWG_mpb" / "y1.npy")
m1_MPB_z = np.load(filepath / "stripWG_mpb" / "z1.npy")
m2_MPB_neff = np.load(filepath / "stripWG_mpb" / "neff2.npy")
m2_MPB_E = np.load(filepath / "stripWG_mpb" / "E2.npy")
m2_MPB_H = np.load(filepath / "stripWG_mpb" / "H2.npy")
m2_MPB_y = np.load(filepath / "stripWG_mpb" / "y2.npy")
m2_MPB_z = np.load(filepath / "stripWG_mpb" / "z2.npy")
# Package into modes object
m1_MPB = Mode(
mode_number=1,
neff=m1_MPB_neff,
wavelength=None,
ng=None,
E=m1_MPB_E,
H=m1_MPB_H,
eps=None,
y=m1_MPB_y,
z=m1_MPB_z,
)
m2_MPB = Mode(
mode_number=1,
neff=m2_MPB_neff,
wavelength=None,
ng=None,
E=m2_MPB_E,
H=m2_MPB_H,
eps=None,
y=m2_MPB_y,
z=m2_MPB_z,
)
# Load Lumerical result
with h5py.File(filepath / "stripWG_lumerical" / "mode1.mat", "r") as f:
E, H, y, z = lumerical_parser(f["E"]["E"],
f["H"]["H"],
f["E"]["y"],
f["E"]["z"],
res=50)
# Package into modes object
m1_lumerical = Mode(
mode_number=1,
neff=f["neff"][0][0][0],
wavelength=None,
ng=None,
E=E,
H=H,
eps=None,
y=y,
z=z,
)
with h5py.File(filepath / "stripWG_lumerical" / "mode2.mat", "r") as f:
E, H, y, z = lumerical_parser(f["E"]["E"],
f["H"]["H"],
f["E"]["y"],
f["E"]["z"],
res=50)
# Package into modes object
m2_lumerical = Mode(
mode_number=1,
neff=f["neff"][0][0][0],
wavelength=None,
ng=None,
E=E,
H=H,
eps=None,
y=y,
z=z,
)
# MEEP calculation
c = straight(length=2, width=0.45)
c = add_padding(c.copy(), default=0, bottom=4, top=4, layers=[(100, 0)])
sim_dict = get_simulation(
c,
is_3d=True,
port_source_offset=-0.1,
port_monitor_offset=-0.1,
port_margin=3,
resolution=50,
)
m1_MEEP = get_port_2Dx_eigenmode(
sim_dict=sim_dict,
source_index=0,
port_name="o1",
)
m2_MEEP = get_port_2Dx_eigenmode(
sim_dict=sim_dict,
source_index=0,
port_name="o1",
band_num=2,
)
if plot:
# M1, E-field
plt.figure(figsize=(10, 8), dpi=100)
plt.suptitle(
"MEEP get_eigenmode / MPB find_modes / Lumerical (manual)",
y=1.05,
fontsize=18,
)
plt.subplot(3, 3, 1)
m1_MEEP.plot_ex(show=False, operation=np.abs, scale=False)
plt.subplot(3, 3, 2)
m1_MPB.plot_ex(show=False, operation=np.abs, scale=False)
plt.subplot(3, 3, 3)
m1_lumerical.plot_ex(show=False, operation=np.abs, scale=False)
plt.subplot(3, 3, 4)
m1_MEEP.plot_ey(show=False, operation=np.abs, scale=False)
plt.subplot(3, 3, 5)
m1_MPB.plot_ey(show=False, operation=np.abs, scale=False)
plt.subplot(3, 3, 6)
m1_lumerical.plot_ey(show=False, operation=np.abs, scale=False)
plt.subplot(3, 3, 7)
m1_MEEP.plot_ez(show=False, operation=np.abs, scale=False)
plt.subplot(3, 3, 8)
m1_MPB.plot_ez(show=False, operation=np.abs, scale=False)
plt.subplot(3, 3, 9)
m1_lumerical.plot_ez(show=False, operation=np.abs, scale=False)
plt.tight_layout()
plt.show()
# M1, H-field
plt.figure(figsize=(10, 8), dpi=100)
plt.suptitle(
"MEEP get_eigenmode / MPB find_modes / Lumerical (manual)",
y=1.05,
fontsize=18,
)
plt.subplot(3, 3, 1)
m1_MEEP.plot_hx(show=False, operation=np.abs, scale=False)
plt.subplot(3, 3, 2)
m1_MPB.plot_hx(show=False, operation=np.abs, scale=False)
plt.subplot(3, 3, 3)
m1_lumerical.plot_hx(show=False, operation=np.abs, scale=False)
plt.subplot(3, 3, 4)
m1_MEEP.plot_hy(show=False, operation=np.abs, scale=False)
plt.subplot(3, 3, 5)
m1_MPB.plot_hy(show=False, operation=np.abs, scale=False)
plt.subplot(3, 3, 6)
m1_lumerical.plot_hy(show=False, operation=np.abs, scale=False)
plt.subplot(3, 3, 7)
m1_MEEP.plot_hz(show=False, operation=np.abs, scale=False)
plt.subplot(3, 3, 8)
m1_MPB.plot_hz(show=False, operation=np.abs, scale=False)
plt.subplot(3, 3, 9)
m1_lumerical.plot_hz(show=False, operation=np.abs, scale=False)
plt.tight_layout()
plt.show()
# # M2, E-field
# plt.figure(figsize=(10, 8), dpi=100)
# plt.subplot(3, 3, 1)
# m2_MEEP.plot_ex(show=False, operation=np.abs, scale=False)
# plt.subplot(3, 3, 2)
# m2_MPB.plot_ex(show=False, operation=np.abs, scale=False)
# plt.subplot(3, 3, 3)
# m2_lumerical.plot_ex(show=False, operation=np.abs, scale=False)
# plt.subplot(3, 3, 4)
# m2_MEEP.plot_ey(show=False, operation=np.abs, scale=False)
# plt.subplot(3, 3, 5)
# m2_MPB.plot_ey(show=False, operation=np.abs, scale=False)
# plt.subplot(3, 3, 6)
# m2_lumerical.plot_ey(show=False, operation=np.abs, scale=False)
# plt.subplot(3, 3, 7)
# m2_MEEP.plot_ez(show=False, operation=np.abs, scale=False)
# plt.subplot(3, 3, 8)
# m2_MPB.plot_ez(show=False, operation=np.abs, scale=False)
# plt.subplot(3, 3, 9)
# m2_lumerical.plot_ez(show=False, operation=np.abs, scale=False)
# plt.tight_layout()
# plt.show()
# # M2, H-field
# plt.figure(figsize=(10, 8), dpi=100)
# plt.subplot(3, 3, 1)
# m2_MEEP.plot_hx(show=False, operation=np.abs, scale=False)
# plt.subplot(3, 3, 2)
# m2_MPB.plot_hx(show=False, operation=np.abs, scale=False)
# plt.subplot(3, 3, 3)
# m2_lumerical.plot_hx(show=False, operation=np.abs, scale=False)
# plt.subplot(3, 3, 4)
# m2_MEEP.plot_hy(show=False, operation=np.abs, scale=False)
# plt.subplot(3, 3, 5)
# m2_MPB.plot_hy(show=False, operation=np.abs, scale=False)
# plt.subplot(3, 3, 6)
# m2_lumerical.plot_hy(show=False, operation=np.abs, scale=False)
# plt.subplot(3, 3, 7)
# m2_MEEP.plot_hz(show=False, operation=np.abs, scale=False)
# plt.subplot(3, 3, 8)
# m2_MPB.plot_hz(show=False, operation=np.abs, scale=False)
# plt.subplot(3, 3, 9)
# m2_lumerical.plot_hz(show=False, operation=np.abs, scale=False)
# plt.tight_layout()
# plt.show()
# Check propagation constants
# print(m1_MEEP.neff, m1_MPB.neff, m1_lumerical.neff)
# print(m2_MEEP.neff, m2_MPB.neff, m2_lumerical.neff)
# Check mode profiles
assert np.isclose(m1_MPB.neff, m1_lumerical.neff, atol=0.02)
assert np.isclose(m1_MEEP.neff, m1_MPB.neff, atol=0.02)
assert np.isclose(m2_MPB.neff, m2_lumerical.neff, atol=0.07)
assert np.isclose(m2_MEEP.neff, m2_MPB.neff, atol=0.07)
"""
component_filled = _fill_rectangle(
component,
fill_size=fill_size,
avoid_layers=avoid_layers or "all",
include_layers=include_layers,
margin=margin,
fill_layers=fill_layers,
fill_densities=fill_densities,
fill_inverted=fill_inverted,
bbox=bbox,
)
return from_phidl(component_filled)
if __name__ == "__main__":
import gdsfactory as gf
c = gf.components.straight()
c = gf.add_padding(c)
c << fill_rectangle(
c,
fill_layers=((2, 0), ),
# fill_densities=(1.0,),
fill_densities=1.0,
avoid_layers=((1, 0), ),
# bbox=(100.0, 100.0),
)
c.show()
"""
info:
- default
- changed
- full
- info (derived properties)
- child: if any
Calculated/derived properties are stored in info
"""
import gdsfactory as gf
def test_args():
c1 = gf.c.pad((150, 150))
assert c1.info.full.size[0] == 150
if __name__ == "__main__":
test_args()
# assert c1.settings.size.full[0] == 150
c1 = gf.c.pad((150, 150))
c2 = gf.add_padding(c1)
c2.show()
c3 = gf.add_padding(c2)
mode_number=band_num,
neff=eigenmode.k.x / fsrc,
wavelength=1 / fsrc,
ng=None, # Not currently supported
E=E,
H=H,
eps=None, # Eventually return the index distribution for co-plotting
y=y,
z=z,
)
return mode
if __name__ == "__main__":
c = straight(length=2, width=0.5)
c = add_padding(c.copy(), default=0, bottom=3, top=3, layers=[(100, 0)])
sim_dict = get_simulation(
c,
is_3d=True,
res=50,
port_source_offset=-0.1,
port_field_monitor_offset=-0.1,
port_margin=2.5,
)
m1_MEEP = get_port_2Dx_eigenmode(
sim_dict=sim_dict,
source_index=0,
port_name="o1",
)