activity
20182026
most citedLong-distance transmon coupler with CZ gate fidelity above

72 citations · 166 across the 9 of their papers we have counts for

collaborators

9 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-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★ 6 cited

Control of multi-modal scattering in a microwave frequency comb

J. C. Rivera Hernández, Fabio Lingua, Shan W. Jolin +1

Control over the coupling between multiple modes of a frequency comb is an important step toward measurement-based quantum computation with a continuous-variable system. We demonst…

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-ph2021★ 20 cited

Multipartite entanglement in a microwave frequency comb

Shan W. Jolin, Gustav Andersson, J. C. Rivera Hernández +6

Significant progress has been made with multipartite entanglement of discrete qubits, but continuous variable systems may provide a more scalable path toward entanglement of large…

quant-ph2020★ 20 cited

IQ Mixer Calibration for Superconducting Circuits

S. W. Jolin, R. Borgani, M. O. Tholén +2

An important device for modulation and frequency translation in the field of circuit quantum electrodynamics is the IQ mixer, an analog component for which calibration is necessary…

quant-ph2020★ 41 cited

Squeezing and multimode entanglement of surface acoustic wave phonons

Gustav Andersson, Shan W. Jolin, Marco Scigliuzzo +6

Exploiting multiple modes in a quantum acoustic device could enable applications in quantum information in a hardware-efficient setup, including quantum simulation in a synthetic d…

gr-qc2018★ 1 cited

Analytic Analysis of Irregular Discrete Universes

Shan W. Jolin, Kjell Rosquist

In this work we investigate the dynamics of cosmological models with spherical topology containing up to 600 Schwarzschild black holes arranged in an irregular manner. We solve the…