Post-fabrication frequency trimming of coplanar-waveguide resonators in circuit QED quantum processors

Journal article (2023)

Authors

S. Valles Sanclemente QCD/DiCarlo Lab - QuTech Advanced Research Centre , QuTech Advanced Research Centre, Kavli institute of nanoscience Delft
S.L.M. van der Meer QCD/DiCarlo Lab - QuTech Advanced Research Centre , QuTech Advanced Research Centre, Kavli institute of nanoscience Delft
S.N. Haider QuTech Advanced Research Centre, BUS/TNO STAFF - QuTech Advanced Research Centre
L. DiCarlo Kavli institute of nanoscience Delft, QCD/DiCarlo Lab - QuTech Advanced Research Centre , QuTech Advanced Research Centre
M. Finkel QuTech Advanced Research Centre, Kavli institute of nanoscience Delft, QCD/DiCarlo Lab - QuTech Advanced Research Centre
N. Muthusubramanian QuTech Advanced Research Centre, Kavli institute of nanoscience Delft, QN/Kavli Nanolab Delft - AS
M.C. Beekman QuTech Advanced Research Centre, BUS/TNO STAFF - QuTech Advanced Research Centre
H.A.S. Ali QCD/DiCarlo Lab - QuTech Advanced Research Centre , Kavli institute of nanoscience Delft, QuTech Advanced Research Centre
J.M. Ferreira Marques Kavli institute of nanoscience Delft, QCD/DiCarlo Lab - QuTech Advanced Research Centre , QuTech Advanced Research Centre
C. Zachariadis QN/Kavli Nanolab Delft - AS , QuTech Advanced Research Centre, Kavli institute of nanoscience Delft
H.M. Veen QCD/DiCarlo Lab - QuTech Advanced Research Centre , QuTech Advanced Research Centre, Kavli institute of nanoscience Delft
T. Stavenga Kavli institute of nanoscience Delft, QCD/DiCarlo Lab - QuTech Advanced Research Centre , QuTech Advanced Research Centre
Research Group
QCD/DiCarlo Lab (QuTech Advanced Research Centre) (TU Delft)
Copyright: © 2023 S. Valles Sanclemente, S.L.M. van der Meer, M. Finkel, N. Muthusubramanian, M.C. Beekman, H.A.S. Ali, J.M. Ferreira Marques, C. Zachariadis, H.M. Veen, T. Stavenga, S.N. Haider, L. DiCarlo
DOI
help_outline
https://doi.org/10.1063/5.0148222
More Info
expand_more

Published Date

2023

Language

English

Faculty

QuTech Advanced Research Centre

Department

Quantum Computing Division

Research Group

QCD/DiCarlo Lab

Abstract

We present the use of a set of airbridges to trim the frequency of microwave coplanar-waveguide (CPW) resonators post-fabrication. This method is compatible with the fabrication steps of conventional CPW airbridges and crossovers and increases device yield by allowing compensation of design and fabrication uncertainty with 100 MHz range and 10 MHz resolution. We showcase two applications in circuit QED. The first is the elimination of frequency collisions between resonators intended to readout different transmons by frequency-division multiplexing. The second is frequency matching of readout and Purcell-filter resonator pairs. Combining this matching with transmon frequency trimming by laser annealing reliably achieves fast and high-fidelity readout across 17-transmon quantum processors.