si_fab.all.FixedPortWithLengthSpiral

class si_fab.all.FixedPortWithLengthSpiral

Spiral with fixed position for the ports or a fixed length. Dummy spirals are made to calculate the total length of the spiral right.

Parameters:

total_length: float and number > 0: Total length of the spiral
offset_spiral_start: float: offset position of the start of the spiral
ports_distance: float and number > 0: Distance between input and output
output_port: OpticalPort: Output port
input_port: OpticalPort: Input port
n_o_loops: int: number of spiral loops
trace_template: PCell and _TraceTemplate: Trace template used in the chain.
name: String that contains only ISO/IEC 8859-1 (extended ASCII py3) or pure ASCII (py2) characters: The unique name of the pcell

Other Parameters:

n_o_traces: int and number > 0, locked: Total number of traces used in the spiral.
traces: List with type restriction, allowed types: <class ‘ipkiss3.pcell.cell.pcell.PCell’>, locked

from si_fab import technology
from si_fab.all import FixedPortWithLengthSpiral

lo = FixedPortWithLengthSpiral().Layout()
lo.visualize(annotate=True)

Ports

Name	Type	Position	Angle	Waveguide Template	Inclination
in	Optical	(0.0, 0.0)	180.0	SWG450	0.0
out	Optical	(500.0, 0.0)	0.0	SWG450	0.0

layout_view: ( _LayoutView ), None allowed

netlist_view: ( NetlistView ), None allowed

view_name: String that contains only alphanumeric characters from the ASCII set or contains _$. ASCII set is extended on PY3.: The name of the view

solver: str and String that contains only ISO/IEC 8859-1 (extended ASCII py3) or pure ASCII (py2) characters, locked: circuit solver to use

incoupling_length: float and Real, number and number >= 0: length of the incoupling section.
shapes: list: List of shapes used to build the traces
flatten: ( bool, bool_ or int ): If true the instances are flattened
spacing: float and Real, number and number >= 0: spacing between the individual loops.

stub_direction: List with value restriction, allowed values: [‘H’, ‘V’]

inner_size: Coord2 and number >= 0: Inner size of the the spiral, defaults to 3 * spacing + 2 * bend_radius, in each direction
view_name: String that contains only alphanumeric characters from the ASCII set or contains _$. ASCII set is extended on PY3.: The name of the view
manhattan: ( bool, bool_ or int ): Adds rectangular blocks in the bends to avoid as much as possible non-manhattan angles.
angle_step: float and number > 0: Angle step for rounding.
rounding_algorithm:: Rounding algorithm used to generate the bends. Can be circular, spline, ….
bend_radius: float and number > 0: Bend radius for the auto-generated bends.

auto_transform: locked

spiral_center: locked