activity
20222026
most citedLong-distance transmon coupler with CZ gate fidelity above

72 citations · 194 across the 8 of their papers we have counts for

collaborators

8 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-ph2025★ 3 cited

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-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-ph2024★ 3 cited

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…

quant-ph2024★ 63 cited

Reducing leakage of single-qubit gates for superconducting quantum processors using analytical control pulse envelopes

Eric Hyyppä, Antti Vepsäläinen, Miha Papič +10

Improving the speed and fidelity of quantum logic gates is essential to reach quantum advantage with future quantum computers. However, fast logic gates lead to increased leakage e…

quant-ph2022★ 15 cited

Initial experimental results on a superconducting-qubit reset based on photon-assisted quasiparticle tunneling

V. A. Sevriuk, W. Liu, J. Rönkkö +15

We present here our recent results on qubit reset scheme based on a quantum-circuit refrigerator (QCR). In particular, we use the photon-assisted quasiparticle tunneling through a…

quant-ph2022★ 72 cited

Long-distance transmon coupler with CZ gate fidelity above

Fabian Marxer, Antti Vepsäläinen, Shan W. Jolin +36

Tunable coupling of superconducting qubits has been widely studied due to its importance for isolated gate operations in scalable quantum processor architectures. Here, we demonstr…

quant-ph2022★ 38 cited

Unimon qubit

Eric Hyyppä, Suman Kundu, Chun Fai Chan +22

Superconducting qubits are one of the most promising candidates to implement quantum computers. The superiority of superconducting quantum computers over any classical device in si…