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
# License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
# warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License along with this program. If not, see
# https://www.gnu.org/licenses/gpl-3.0.html.
#
# The software distribution should follow IQM trademark policy for open-source software
# (meetiqm.com/iqm-open-source-trademark-policy). IQM welcomes contributions to the code.
# Please see our contribution agreements for individuals (meetiqm.com/iqm-individual-contributor-license-agreement)
# and organizations (meetiqm.com/iqm-organization-contributor-license-agreement).

import logging

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] 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 / 4.0) # 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) logging.info(f"{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")