Cells SiN300

array

import cspdk

c = cspdk.si220.cband.cells.array(component='pad', columns=6, rows=1, add_ports=True, centered=False, column_pitch=150, row_pitch=150).copy()
c.draw_ports()
c.plot()

(Source code)

bend_euler

cspdk.si220.cband.cells.bend_euler(radius=None, angle=90, p=0.5, width=None, cross_section='strip', allow_min_radius_violation=False)

Regular degree euler bend.

Parameters:

• radius (float | None) – in um. Defaults to cross_section_radius.

• angle (float) – total angle of the curve.

• p (float) – Proportion of the curve that is an Euler curve.

• width (float | None) – width to use. Defaults to cross_section.width.

• cross_section (CrossSection | str | dict[str, Any] | Callable[[...], CrossSection] | SymmetricalCrossSection | DCrossSection) – specification (CrossSection, string, CrossSectionFactory dict).

• allow_min_radius_violation (bool) – if True allows radius to be smaller than cross_section radius.

Return type:

Component

import cspdk

c = cspdk.si220.cband.cells.bend_euler(angle=90.0, p=0.5, cross_section='xs_nc').copy()
c.draw_ports()
c.plot()

(Source code)

bend_euler_nc

import cspdk

c = cspdk.si220.cband.cells.bend_euler_nc(angle=90.0, p=0.5, cross_section='xs_nc').copy()
c.draw_ports()
c.plot()

(Source code)

bend_euler_no

import cspdk

c = cspdk.si220.cband.cells.bend_euler_no(angle=90.0, p=0.5, cross_section='xs_no').copy()
c.draw_ports()
c.plot()

(Source code)

bend_s

cspdk.si220.cband.cells.bend_s(size=(11, 1.8), cross_section='strip', width=None, allow_min_radius_violation=False)

Return S bend with bezier curve.

stores min_bend_radius property in self.info[‘min_bend_radius’] min_bend_radius depends on height and length

Parameters:

• size (tuple[float, float]) – in x and y direction.

• cross_section (CrossSection | str | dict[str, Any] | Callable[[...], CrossSection] | SymmetricalCrossSection | DCrossSection) – spec.

• width (float | None) – width of the waveguide. If None, it will use the width of the cross_section.

• allow_min_radius_violation (bool) – allows min radius violations.

Return type:

Component

import cspdk

c = cspdk.si220.cband.cells.bend_s(size=(15.0, 1.8), cross_section='xs_nc').copy()
c.draw_ports()
c.plot()

(Source code)

compass

cspdk.si220.cband.cells.compass(size=(4, 2), layer='PAD', port_type=None, port_inclusion=0.0, port_orientations=(180, 90, 0, -90), auto_rename_ports=True)

Rectangle with ports on each edge (north, south, east, and west).

Parameters:

• size (tuple[float, float]) – rectangle size.

• layer (tuple[int, int] | str | int | LayerEnum) – tuple (int, int).

• port_type (str | None) – optical, electrical.

• port_inclusion (float) – from edge.

• port_orientations (tuple[int, ...] | list[int] | None) – list of port_orientations to add. None does not add ports.

• auto_rename_ports (bool) – auto rename ports.

Return type:

Component

import cspdk

c = cspdk.si220.cband.cells.compass(size=(4.0, 2.0), layer='PAD', port_type='electrical', port_inclusion=0.0, port_orientations=(180, 90, 0, -90), auto_rename_ports=True).copy()
c.draw_ports()
c.plot()

(Source code, png, hires.png, pdf)

coupler

cspdk.si220.cband.cells.coupler(length=14.5, gap=0.27)

Returns Symmetric coupler.

Parameters:

• length (float) – of coupling region in um.

• gap (float) – of coupling region in um.

Return type:

Component

import cspdk

c = cspdk.si220.cband.cells.coupler(gap=0.236, length=20.0, dy=4.0, dx=20.0, cross_section='xs_nc').copy()
c.draw_ports()
c.plot()

(Source code)

coupler_nc

import cspdk

c = cspdk.si220.cband.cells.coupler_nc(gap=0.236, length=20.0, dy=4.0, dx=20.0, cross_section='xs_nc').copy()
c.draw_ports()
c.plot()

(Source code)

coupler_no

import cspdk

c = cspdk.si220.cband.cells.coupler_no(gap=0.236, length=20.0, dy=4.0, dx=20.0, cross_section='xs_no').copy()
c.draw_ports()
c.plot()

(Source code)

coupler_straight

import cspdk

c = cspdk.si220.cband.cells.coupler_straight(length=20.0, gap=0.236, cross_section='xs_nc').copy()
c.draw_ports()
c.plot()

(Source code)

die

cspdk.si220.cband.cells.die(size=(16000.0, 3000.0))

A die.

Parameters:

size (tuple[float, float])

Return type:

Component

import cspdk

c = cspdk.si220.cband.cells.die(cross_section='xs_nc').copy()
c.draw_ports()
c.plot()

(Source code)

die_nc

import cspdk

c = cspdk.si220.cband.cells.die_nc(cross_section='xs_nc').copy()
c.draw_ports()
c.plot()

(Source code)

die_no

import cspdk

c = cspdk.si220.cband.cells.die_no(cross_section='xs_no').copy()
c.draw_ports()
c.plot()

(Source code)

grating_coupler_array

import cspdk

c = cspdk.si220.cband.cells.grating_coupler_array(pitch=127.0, n=6, cross_section='xs_nc', centered=True, port_name='o1', rotation=-90, straight_to_grating_spacing=10.0, with_loopback=False).copy()
c.draw_ports()
c.plot()

(Source code)

grating_coupler_elliptical

cspdk.si220.cband.cells.grating_coupler_elliptical(wavelength=1.55, grating_line_width=0.315, cross_section='strip')

A grating coupler with curved but parallel teeth.

Parameters:

• wavelength (float) – the center wavelength for which the grating is designed

• grating_line_width – the line width of the grating

• cross_section – a cross section or its name or a function generating a cross section.

Return type:

Component

import cspdk

c = cspdk.si220.cband.cells.grating_coupler_elliptical(wavelength=1.55, grating_line_width=0.343, cross_section='xs_nc').copy()
c.draw_ports()
c.plot()

(Source code)

grating_coupler_elliptical_nc

import cspdk

c = cspdk.si220.cband.cells.grating_coupler_elliptical_nc(wavelength=1.55, grating_line_width=0.33, cross_section='xs_nc').copy()
c.draw_ports()
c.plot()

(Source code)

grating_coupler_elliptical_no

import cspdk

c = cspdk.si220.cband.cells.grating_coupler_elliptical_no(wavelength=1.31, grating_line_width=0.482, cross_section='xs_no').copy()
c.draw_ports()
c.plot()

(Source code)

grating_coupler_rectangular

cspdk.si220.cband.cells.grating_coupler_rectangular(period=0.63, n_periods=60, length_taper=350.0, wavelength=1.55, cross_section='strip')

A grating coupler with straight and parallel teeth.

Parameters:

• period – the period of the grating

• n_periods (int) – the number of grating teeth

• length_taper (float) – the length of the taper tapering up to the grating

• wavelength (float) – the center wavelength for which the grating is designed

• cross_section – a cross section or its name or a function generating a cross section.

Return type:

Component

import cspdk

c = cspdk.si220.cband.cells.grating_coupler_rectangular(period=0.66, n_periods=30, length_taper=200.0, wavelength=1.55, cross_section='xs_nc').copy()
c.draw_ports()
c.plot()

(Source code)

grating_coupler_rectangular_nc

import cspdk

c = cspdk.si220.cband.cells.grating_coupler_rectangular_nc(period=0.66, n_periods=30, length_taper=200.0, wavelength=1.55, cross_section='xs_nc').copy()
c.draw_ports()
c.plot()

(Source code)

grating_coupler_rectangular_no

import cspdk

c = cspdk.si220.cband.cells.grating_coupler_rectangular_no(period=0.964, n_periods=30, length_taper=200.0, wavelength=1.31, cross_section='xs_no').copy()
c.draw_ports()
c.plot()

(Source code)

mmi1x2

cspdk.si220.cband.cells.mmi1x2(width=None, width_taper=1.5, length_taper=20.0, length_mmi=31.0, width_mmi=6.0, gap_mmi=1.64, cross_section='strip')

An mmi1x2.

An mmi1x2 is a splitter that splits a single input to two outputs

Parameters:

• width (float | None) – the width of the waveguides connecting at the mmi ports.

• width_taper (float) – the width at the base of the mmi body.

• length_taper (float) – the length of the tapers going towards the mmi body.

• length_mmi (float) – the length of the mmi body.

• width_mmi (float) – the width of the mmi body.

• gap_mmi (float) – the gap between the tapers at the mmi body.

• cross_section (CrossSection | str | dict[str, Any] | Callable[[...], CrossSection] | SymmetricalCrossSection | DCrossSection) – a cross section or its name or a function generating a cross section.

Return type:

Component

import cspdk

c = cspdk.si220.cband.cells.mmi1x2(width_mmi=12.0, width_taper=5.5, length_taper=50.0, length_mmi=64.7, gap_mmi=0.4, cross_section='xs_nc').copy()
c.draw_ports()
c.plot()

(Source code)

mmi1x2_nc

import cspdk

c = cspdk.si220.cband.cells.mmi1x2_nc(width_mmi=12.0, width_taper=5.5, length_taper=50.0, length_mmi=64.7, gap_mmi=0.4, cross_section='xs_nc').copy()
c.draw_ports()
c.plot()

(Source code)

mmi1x2_no

import cspdk

c = cspdk.si220.cband.cells.mmi1x2_no(width_mmi=12.0, width_taper=5.5, length_taper=50.0, length_mmi=42.0, gap_mmi=0.4, cross_section='xs_no').copy()
c.draw_ports()
c.plot()

(Source code)

mmi2x2

cspdk.si220.cband.cells.mmi2x2(width=None, width_taper=1.5, length_taper=20.0, length_mmi=42.5, width_mmi=6.0, gap_mmi=0.5, cross_section='strip')

An mmi2x2.

An mmi2x2 is a 2x2 splitter

Parameters:

• width (float | None) – the width of the waveguides connecting at the mmi ports

• width_taper (float) – the width at the base of the mmi body

• length_taper (float) – the length of the tapers going towards the mmi body

• length_mmi (float) – the length of the mmi body

• width_mmi (float) – the width of the mmi body

• gap_mmi (float) – the gap between the tapers at the mmi body

• cross_section (CrossSection | str | dict[str, Any] | Callable[[...], CrossSection] | SymmetricalCrossSection | DCrossSection) – a cross section or its name or a function generating a cross section.

Return type:

Component

import cspdk

c = cspdk.si220.cband.cells.mmi2x2(width_taper=5.5, length_taper=50.0, length_mmi=5.5, width_mmi=12.0, gap_mmi=0.4, cross_section='xs_nc').copy()
c.draw_ports()
c.plot()

(Source code)

mmi2x2_nc

import cspdk

c = cspdk.si220.cband.cells.mmi2x2_nc(width_taper=5.5, length_taper=50.0, length_mmi=232.0, width_mmi=12.0, gap_mmi=0.4, cross_section='xs_nc').copy()
c.draw_ports()
c.plot()

(Source code)

mmi2x2_no

import cspdk

c = cspdk.si220.cband.cells.mmi2x2_no(width_taper=5.5, length_taper=50.0, length_mmi=126.0, width_mmi=12.0, gap_mmi=0.4, cross_section='xs_no').copy()
c.draw_ports()
c.plot()

(Source code)

mzi

cspdk.si220.cband.cells.mzi(delta_length=10, bend='bend_euler', straight='straight', splitter='coupler', combiner=None, port_e1_splitter='o3', port_e0_splitter='o4', port_e1_combiner='o3', port_e0_combiner='o4', cross_section='strip')

Mzi.

Parameters:

• delta_length (float) – bottom arm vertical extra length.

• bend (str | Callable[[...], Component] | dict[str, Any] | DKCell) – 90 degrees bend library.

• straight (str | Callable[[...], Component] | dict[str, Any] | DKCell) – straight function.

• splitter (str | Callable[[...], Component] | dict[str, Any] | DKCell) – splitter function.

• combiner (str | Callable[[...], Component] | dict[str, Any] | DKCell | None) – combiner function.

• port_e1_splitter (str) – east top splitter port.

• port_e0_splitter (str) – east bot splitter port.

• port_e1_combiner (str) – east top combiner port.

• port_e0_combiner (str) – east bot combiner port.

• cross_section (CrossSection | str | dict[str, Any] | Callable[[...], CrossSection] | SymmetricalCrossSection | DCrossSection) – for routing (sxtop/sxbot to combiner).

Return type:

Component

import cspdk

c = cspdk.si220.cband.cells.mzi(delta_length=10.0, bend='bend_euler_nc', straight='straight_nc', splitter='mmi1x2_nc', combiner='mmi2x2_nc', cross_section='xs_nc').copy()
c.draw_ports()
c.plot()

(Source code)

mzi_nc

import cspdk

c = cspdk.si220.cband.cells.mzi_nc(delta_length=10.0, bend='bend_euler_nc', straight='straight_nc', splitter='mmi1x2_nc', combiner='mmi2x2_nc', cross_section='xs_nc').copy()
c.draw_ports()
c.plot()

(Source code)

mzi_no

import cspdk

c = cspdk.si220.cband.cells.mzi_no(delta_length=10.0, bend='bend_euler_no', straight='straight_no', splitter='mmi1x2_no', combiner='mmi2x2_no', cross_section='xs_no').copy()
c.draw_ports()
c.plot()

(Source code)

pad

cspdk.si220.cband.cells.pad(size=(90.0, 90.0), layer='PAD', port_inclusion=0, port_orientation=0)

Returns rectangular pad with ports.

Parameters:

• size (tuple[float, float]) – x, y size.

• layer (tuple[int, int] | str | int | LayerEnum) – pad layer.

• bbox_layers – list of layers.

• bbox_offsets – Optional offsets for each layer with respect to size. positive grows, negative shrinks the size.

• port_inclusion (float) – from edge.

• port_orientation (float) – in degrees.

Return type:

Component

import cspdk

c = cspdk.si220.cband.cells.pad().copy()
c.draw_ports()
c.plot()

(Source code, png, hires.png, pdf)

rectangle

cspdk.si220.cband.cells.rectangle(size=(4, 2), layer='PAD', centered=False, port_type=None, port_orientations=(180, 90, 0, -90))

Returns a rectangle.

Parameters:

• size (tuple[float, float]) – (tuple) Width and height of rectangle.

• layer (tuple[int, int] | str | int | LayerEnum) – Specific layer to put polygon geometry on.

• centered (bool) – True sets center to (0, 0), False sets south-west to (0, 0).

• port_type (str | None) – optical, electrical.

• port_orientations (tuple[int, ...] | list[int] | None) – list of port_orientations to add. None adds no ports.

Return type:

Component

import cspdk

c = cspdk.si220.cband.cells.rectangle(layer=<LayerMapCornerstone.FLOORPLAN: 46>).copy()
c.draw_ports()
c.plot()

(Source code)

straight

cspdk.si220.cband.cells.straight(length=10, cross_section='strip', width=None, npoints=2)

Returns a Straight waveguide.

Parameters:

• length (float) – straight length (um).

• cross_section (CrossSection | str | dict[str, Any] | Callable[[...], CrossSection] | SymmetricalCrossSection | DCrossSection) – specification (CrossSection, string or dict).

• width (float | None) – width of the waveguide. If None, it will use the width of the cross_section.

• npoints (int) – number of points.

Return type:

Component

import cspdk

c = cspdk.si220.cband.cells.straight(length=10.0, cross_section='xs_nc').copy()
c.draw_ports()
c.plot()

(Source code)

straight_nc

import cspdk

c = cspdk.si220.cband.cells.straight_nc(length=10.0, cross_section='xs_nc').copy()
c.draw_ports()
c.plot()

(Source code)

straight_no

import cspdk

c = cspdk.si220.cband.cells.straight_no(length=10.0, cross_section='xs_no').copy()
c.draw_ports()
c.plot()

(Source code)

taper

cspdk.si220.cband.cells.taper(length=10.0, width1=0.45, width2=None, cross_section='strip')

Linear taper, which tapers only the main cross section section.

Parameters:

• length (float) – taper length.

• width1 (float) – width of the west/left port.

• width2 (float | None) – width of the east/right port. Defaults to width1.

• cross_section (CrossSection | str | dict[str, Any] | Callable[[...], CrossSection] | SymmetricalCrossSection | DCrossSection) – specification (CrossSection, string, CrossSectionFactory dict).

Return type:

Component

import cspdk

c = cspdk.si220.cband.cells.taper(length=10.0, width1=1.2, cross_section='xs_nc').copy()
c.draw_ports()
c.plot()

(Source code)

taper_nc

import cspdk

c = cspdk.si220.cband.cells.taper_nc(length=10.0, width1=1.2, cross_section='xs_nc').copy()
c.draw_ports()
c.plot()

(Source code)

taper_no

import cspdk

c = cspdk.si220.cband.cells.taper_no(length=10.0, width1=0.95, cross_section='xs_no').copy()
c.draw_ports()
c.plot()

(Source code)

wire_corner

cspdk.si220.cband.cells.wire_corner(cross_section='metal_routing', width=None)

Returns 45 degrees electrical corner wire.

Parameters:

• cross_section (CrossSection | str | dict[str, Any] | Callable[[...], CrossSection] | SymmetricalCrossSection | DCrossSection) – spec.

• width (float | None) – optional width. Defaults to cross_section width.

Return type:

Component

import cspdk

c = cspdk.si220.cband.cells.wire_corner(cross_section='metal_routing').copy()
c.draw_ports()
c.plot()

(Source code, png, hires.png, pdf)