Source code for kqcircuits.chips.sample_holder_test

# This code is part of KQCircuits
# Copyright (C) 2021 IQM Finland Oy
# This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public
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from autologging import logged

from kqcircuits.pya_resolver import pya
from kqcircuits.util.parameters import Param, pdt

from kqcircuits.chips.chip import Chip
from kqcircuits.elements.waveguide_composite import WaveguideComposite, Node

[docs]@logged class SampleHolderTest(Chip): """ The PCell declaration for a SampleHolderTest chip. SampleHolderTest has parametrized launcher configuration (launcher dimensions and number of launchers). The launchers are connected pairwise by coplanar waveguides. """ n_launchers = Param(pdt.TypeInt, "Number of launchers", 40, unit="") launcher_pitch = Param(pdt.TypeDouble, "Launcher pitch", 635, unit="μm") launcher_width = Param(pdt.TypeDouble, "Launcher width", 160, unit="μm") launcher_gap = Param(pdt.TypeDouble, "Launcher gap", 96, unit="μm") launcher_indent = Param(pdt.TypeDouble, "Launcher indent from edge", 520, unit="μm")
[docs] def build(self): nr_pads_per_side = int(self.n_launchers / 4.) # North edge launcher_assigments = {i: f"PL-{i}-IN" for i in range(1, nr_pads_per_side + 1)} # East edge launcher_assigments.update({pin: f"PL-{pl+1}-OUT" for pl, pin in enumerate(range(2 * nr_pads_per_side, nr_pads_per_side, -1))}) # South edge launcher_assigments.update({pin: f"PL-{pl + nr_pads_per_side + 1}-OUT" for pl, pin in enumerate(range(2 * nr_pads_per_side + 1, 3 * nr_pads_per_side + 1))}) # West edge launcher_assigments.update({pin: f"PL-{pl + nr_pads_per_side + 1}-IN" for pl, pin in enumerate(range(4 * nr_pads_per_side, 3 * nr_pads_per_side, -1))}) self.produce_n_launchers(self.n_launchers, "RF", self.launcher_width, self.launcher_gap, self.launcher_indent, self.launcher_pitch, launcher_assignments=launcher_assigments) def _produce_waveguide(i, straight_distance, first_port, second_port): cell = self.add_element(WaveguideComposite, nodes=[ Node(self.refpoints[f'PL-{i}-{first_port}_port']), Node(self.refpoints[f'PL-{i}-{first_port}_port_corner'] + pya.DVector(0, straight_distance)), Node(self.refpoints[f'PL-{i}-{second_port}_port_corner'] + pya.DVector(straight_distance, 0)), Node(self.refpoints[f'PL-{i}-{second_port}_port']), ]) self.insert_cell(cell)"{self.name_chip}: Waveguide PL-{i} length: {cell.length()}") for i in range(1, nr_pads_per_side + 1): _produce_waveguide(i, -1200, first_port="IN", second_port="OUT") for i in range(nr_pads_per_side + 1, nr_pads_per_side * 2 + 1): _produce_waveguide(i, 1200, first_port="OUT", second_port="IN")