kqcircuits.simulations.single_xmon

class kqcircuits.simulations.single_xmon.SingleXmon(layout, **kwargs)[source]

Bases: kqcircuits.simulations.simulation.Simulation

Initialize a Simulation.

The initializer parses parameters, creates a top cell, and then calls self.build to create the simulation geometry, followed by self.create_simulation_layers to process the geometry so it is ready for exporting.

Parameters

layout – the layout on which to create the simulation

Keyword Arguments

**kwargs

Any parameter can be passed as a keyword argument.

In addition, cell can be passed as keyword argument. If cell is supplied, it will be used as the top cell for the simulation. Otherwise, a new cell will be created. See Simulation.from_cell for creating simulations from existing cells.

build()[source]

Build simulation geometry.

This method is to be overridden, and the overriding method should create the geometry to be simulated and add any ports to self.ports.

ports: List[kqcircuits.simulations.port.Port]
PCell parameters:

  • qubit_face (List) - Bottom or top face qubit position, default=['2b1', '1t1']

  • junction_inductance (List) - Qubit junction inductance, default=1.1497e-08, unit=H

  • junction_capacitance (List) - Qubit junction capacitance, default=1e-16, unit=F

  • a (Double) - Width of center conductor, default=10, unit=μm

  • b (Double) - Width of gap, default=6, unit=μm

  • n (Int) - Number of points on turns, default=64

  • r (Double) - Turn radius, default=100, unit=μm

  • margin (Double) - Margin of the protection layer, default=5, unit=μm

  • face_ids (List) - Chip face IDs list, default=['1t1', '2b1', '1b1', '2t1']

  • display_name (String) - Name displayed in GUI (empty for default), default=

  • protect_opposite_face (Boolean) - Add opposite face protection too, default=False

  • mirror_squid (Boolean) - Mirror SQUID by its Y axis, default=False

  • junction_total_length (Double) - Simulation junction total length, default=33, unit=µm

  • junction_type (String) - Junction Type, default=Manhattan, choices=['NoSquid', 'Manhattan', 'Manhattan Single Junction', 'Sim']

  • junction_width (Double) - Junction width (only used for code generated element), default=0.02, unit=μm

  • loop_area (Double) - Loop area, default=100, unit=μm^2

  • fluxline_type (String) - Fluxline Type, default=Fluxline Standard, choices=['none', 'Fluxline Standard', 'Fluxline Straight']

  • fluxline_gap_width (Double) - Fluxline gap width, default=2, unit=μm

  • arm_length (List) - Arm length (um, WNES)), default=[150.0, 150.0, 150.0, 150.0]

  • arm_width (List) - Arm metal width (um, WNES), default=[24, 24, 24, 24]

  • gap_width (List) - Arm gap width (um, WNES), default=[12, 12, 12, 12]

  • cpl_width (List) - Coupler width (um, WNE), default=[24, 24, 24]

  • cpl_length (List) - Coupler lengths (um, WNE), default=[120, 120, 120]

  • cpl_gap (List) - Coupler gap (um, WNE), default=[102, 102, 102]

  • port_width (List) - Port width (um, WNE), default=[10, 10, 10]

  • cl_offset (List) - Chargeline offset (um, um), default=[200, 200]

  • island_r (Double) - Center island rounding radius, default=5, unit=μm

../_images/kqcircuits.simulations.single_xmon.png