kqcircuits.chips.quality_factor

class kqcircuits.chips.quality_factor.QualityFactor

Bases: Chip

The PCell declaration for a QualityFactor chip.

build()

Child classes re-define this method to build the PCell.

PCell parameters:

• res_lengths (List) - Physical length of resonators [μm], default=[5434, 5429, 5374, 5412, 5493, 5589], unit=[μm]

• n_fingers (List) - Fingers in planar capacitors, default=[4, 4, 2, 4, 4, 4]

• l_fingers (List) - Length of the capacitor fingers [μm], default=[23.1, 9.9, 14.1, 10, 21, 28], unit=[μm]

• type_coupler (List) - Coupler types, default=['interdigital', 'interdigital', 'interdigital', 'gap', 'gap', 'gap']

• n_ab (List) - Number of resonator airbridges, default=[5, 0, 5, 5, 5, 5]

• res_term (List) - Resonator termination type, default=['galvanic', 'galvanic', 'galvanic', 'airbridge', 'airbridge', 'airbridge']

• res_beg (List) - Resonator beginning type, default=['galvanic', 'galvanic', 'galvanic', 'airbridge', 'airbridge', 'airbridge']

• res_a (List) - Width of the center conductor in the resonators [μm], default=[5, 10, 20, 5, 10, 20], unit=[μm]

• res_b (List) - Width of the gap in the resonators [μm], default=[3, 6, 12, 3, 6, 12], unit=[μm]

• tl_airbridges (Boolean) - Airbridges on transmission line, default=True

• res_airbridge_types (List) - Airbridge type for each resonator, default=['Airbridge Rectangular', 'Airbridge Rectangular', 'Airbridge Rectangular', 'Airbridge Rectangular', 'Airbridge Rectangular', 'Airbridge Rectangular']

• sample_holder_type (Int) - Sample holder type for the chip, default=SMA8, choices=['SMA8', 'ARD24']

• marker_safety (Double) - Distance between launcher and first curve, default=1000, unit=μm

• feedline_bend_distance (Double) - Horizontal distance of feedline bend, default=100, unit=μm

• resonators_both_sides (Boolean) - Place resonators on both sides of feedline, default=False

• max_res_len (Double) - Resonators exceeding this length become meandering, default=1e+30, unit=μm

• ground_grid_in_trace (List) - Include ground-grid in the trace, default=[0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]

• box (Shape) - Border, default=(0,0;10000,10000)