activity
20242026
collaborators

5 papers

quant-ph2026

Mitigating crosstalk errors for simultaneous single-qubit gates on a superconducting quantum processor

Jaap J. Wesdorp, Eric Hyyppä, Joona Andersson +61

Single-qubit gates on superconducting quantum processors are typically implemented using microwave pulses applied through dedicated control lines. However, these microwave pulses m…

quant-ph2026

Efficient and accurate two-qubit-gate operation in a high-connectivity transmon lattice utilizing a tunable coupling to a shared mode

Tuure Orell, Hao Hsu, Joona Andersson +3

Increasing connectivity and decreasing qubit-state delocalization without compromising the speed and accuracy of elementary gate operations are topical challenges in the developmen…

quant-ph2025

A Superconducting Qubit-Resonator Quantum Processor with Effective All-to-All Connectivity

Michael Renger, Jeroen Verjauw, Nicola Wurz +62

In this work we introduce a superconducting quantum processor architecture that uses a transmission-line resonator to implement effective all-to-all connectivity between six transm…

quant-ph2025

Above 99.9% Fidelity Single-Qubit Gates, Two-Qubit Gates, and Readout in a Single Superconducting Quantum Device

Fabian Marxer, Jakub Mrożek, Joona Andersson +64

Achieving high-fidelity single-qubit gates, two-qubit gates, and qubit readout is critical for building scalable, error-corrected quantum computers. However, device parameters that…

quant-ph2024

Technology and Performance Benchmarks of IQM's 20-Qubit Quantum Computer

Leonid Abdurakhimov, Janos Adam, Hasnain Ahmad +111

Quantum computing has tremendous potential to overcome some of the fundamental limitations present in classical information processing. Yet, today's technological limitations in th…