(xbot + 100, ybot - 200),
(xmmi_top - 100, ybot - 200),
(xmmi_top - 100, ybot),
(xmmi_top, ybot),
],
wgt,
)
tk.add(top, wg3)
gc2 = GratingCouplerFocusing(
wgt,
focus_distance=20.0,
width=20,
length=40,
period=1.0,
dutycycle=0.7,
port=(mmi2.portlist["input"]["port"][0] + 100,
mmi2.portlist["input"]["port"][1]),
direction="EAST",
)
tk.add(top, gc2)
wg_gc2 = Waveguide(
[mmi2.portlist["input"]["port"], gc2.portlist["output"]["port"]], wgt)
tk.add(top, wg_gc2)
tk.build_mask(top, wgt, final_layer=3, final_datatype=0)
gdspy.LayoutViewer()
gdspy.write_gds("tutorial2.gds", unit=1.0e-6, precision=1.0e-9)
circle = gdspy.Round((0, 0), radius=(inch / 2) * 25400, tolerance=0.01)
#------------------------------------
MyStamps = LesStamps.Stamps()
top = gdspy.Cell("top")
MyStamps.MakesStampFromMotif(top,
MyStamps.LinesCell(name='Lines_Grating'),
X0=-16_000,
Y0=0)
MyStamps.MakesStampFromMotif(top,
MyStamps.LinesCell(name='Lines_Taper'),
X0=0,
Y0=0)
# X0=20_000,Y0=0)
MyStamps.MakesStampFromMotif(top,
MyStamps.Spirales(name='Spiral_Grating'),
X0=-16_000,
Y0=-20_000)
MyStamps.MakesStampFromMotif(top,
MyStamps.Spirales(name='Spiral_Taper'),
X0=0,
Y0=-20_000)
tk.add(top, circle) #circle for the wafer size
tk.build_mask(top, MyStamps.wgt[1], final_layer=3, final_datatype=0)
gdspy.write_gds('tests.gds', unit=1.0e-6, precision=1.0e-9)
# gds viewer KLayout
# gdspy.LayoutViewer()