Jonas Bylander

Professor at Quantum Technology

Jonas leads a research group focused on developing quantum computers with superconducting circuits. His research is funded mainly through the Wallenberg Center for Quantum Technology (WACQT) and the EU Flagship on Quantum Technology (OSQ+).

Postdocs wanted
We welcome applications from motivated postdocs with expertise in experimental quantum computing or closely related areas; microwave simulation and measurement techniques; optimal control techniques; and nanofabrication of solid-state quantum electronic devices with knowledge of materials and surfaces

Source: chalmers.se
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Showing 64 publications

2024

Loss and decoherence in superconducting circuits on silicon: Insights from electron spin resonance

Aditya Jayaraman, Andrey Danilov, Jonas Bylander et al
Physical Review Applied. Vol. 22 (1)
Journal article
2024

Mitigation of interfacial dielectric loss in aluminum-on-silicon superconducting qubits

Janka Biznárová, Amr Osman, Emil Rehnman et al
npj Quantum Information. Vol. 10 (1)
Journal article
2024

Intermodulation spectroscopy and the nonlinear response of two-level systems in superconducting coplanar-waveguide resonators

Janka Biznárová, J. C. Rivera Hernández, Daniel Forchheimer et al
Physical Review Applied. Vol. 22 (1)
Journal article
2024

Signal Crosstalk in a Flip-Chip Quantum Processor

Sandoko Kosen, Hangxi Li, Marcus Rommel et al
PRX Quantum. Vol. 5 (3)
Journal article
2023

Reference-State Error Mitigation: A Strategy for High Accuracy Quantum Computation of Chemistry

Phalgun Lolur, Mårten Skogh, Werner Barucha-Dobrautz et al
Journal of Chemical Theory and Computation. Vol. 19 (3), p. 783-789
Journal article
2023

The electron density: a fidelity witness for quantum computation

Mårten Skogh, Werner Barucha-Dobrautz, Phalgun Lolur et al
Chemical Science. Vol. 15 (6), p. 2257-2265
Journal article
2023

Transmon qubit readout fidelity at the threshold for quantum error correction without a quantum-limited amplifier

Liangyu Chen, Hangxi Li, Yong Lu et al
npj Quantum Information. Vol. 9 (1)
Journal article
2023

Extensive characterization and implementation of a family of three-qubit gates at the coherence limit

Christopher Warren, Jorge Fernández-Pendás, Shahnawaz Ahmed et al
npj Quantum Information. Vol. 9 (1)
Journal article
2023

Three-wave mixing traveling-wave parametric amplifier with periodic variation of the circuit parameters

Anita Fadavi Roudsari, Daryoush Shiri, Hampus Renberg Nilsson et al
Applied Physics Letters. Vol. 122 (5)
Journal article
2023

Quantum computer scales up by mitigating errors

Göran Wendin, Jonas Bylander
Nature. Vol. 618 (7965), p. 462-463
Other text in scientific journal
2023

Experimentally Verified, Fast Analytic, and Numerical Design of Superconducting Resonators in Flip-Chip Architectures

Hangxi Li, Daryoush Shiri, Sandoko Kosen et al
IEEE Transactions on Quantum Engineering. Vol. 4
Journal article
2023

Mitigation of frequency collisions in superconducting quantum processors

Amr Osman, Jorge Fernández-Pendás, Christopher Warren et al
Physical Review Research. Vol. 5 (4)
Journal article
2022

Qubit-Compatible Substrates With Superconducting Through-Silicon Vias

K. Grigoras, Nikolai Yurttagül, J. P. Kaikkonen et al
IEEE Transactions on Quantum Engineering. Vol. 3
Journal article
2022

Measurement and control of a superconducting quantum processor with a fully integrated radio-frequency system on a chip

Mats O. Tholén, Riccardo Borgani, Giuseppe Ruggero Di Carlo et al
Review of Scientific Instruments. Vol. 93 (10), p. 104711-
Journal article
2022

Robust Preparation of Wigner-Negative States with Optimized SNAP-Displacement Sequences

Marina Kudra, Mikael Kervinen, Ingrid Strandberg et al
PRX Quantum. Vol. 3 (3)
Journal article
2022

Building blocks of a flip-chip integrated superconducting quantum processor

Sandoko Kosen, Hangxi Li, Marcus Rommel et al
Quantum Science and Technology. Vol. 7 (3)
Journal article
2021

Simplified Josephson-junction fabrication process for reproducibly high-performance superconducting qubits

Amr Osman, James Simon, Andreas Bengtsson et al
Applied Physics Letters. Vol. 118 (6)
Journal article
2021

Fast Multiqubit Gates through Simultaneous Two-Qubit Gates

Xiu Gu, Jorge Fernández-Pendás, Pontus Vikstål et al
PRX Quantum. Vol. 2 (4)
Journal article
2021

Stability of superconducting resonators: Motional narrowing and the role of Landau-Zener driving of two-level defects

David Niepce, J. Burnett, Marina Kudra et al
Science advances. Vol. 7 (39)
Journal article
2021

Quantum efficiency, purity and stability of a tunable, narrowband microwave single-photon source

Yong Lu, Andreas Bengtsson, Jonathan Burnett et al
npj Quantum Information. Vol. 7 (1)
Journal article
2020

Reproducible Josephson junctions are important for scalable quantum technologies

Jonas Bylander
Superconductor Science and Technology. Vol. 33 (11)
Other text in scientific journal
2020

Geometric scaling of two-level-system loss in superconducting resonators

David Niepce, Jonathan Burnett, Martí Gutierrez Latorre et al
Superconductor Science and Technology. Vol. 33 (2)
Journal article
2020

Observation of Broadband Entanglement in Microwave Radiation from a Single Time-Varying Boundary Condition

Ben Schneider, Andreas Bengtsson, Ida-Maria Svensson et al
Physical Review Letters. Vol. 124 (14)
Journal article
2020

Improved Success Probability with Greater Circuit Depth for the Quantum Approximate Optimization Algorithm

Andreas Bengtsson, Pontus Vikstål, Christopher Warren et al
Physical Review Applied. Vol. 14 (3)
Journal article
2019

AEOLIX Reference Book

Asif Akram, Peter Altmann, Per-Olof Arnäs et al
Report
2019

Decoherence benchmarking of superconducting qubits

Jonathan Burnett, Andreas Bengtsson, Marco Scigliuzzo et al
npj Quantum Information. Vol. 5 (1)
Journal article
2019

High Kinetic Inductance Nb N Nanowire Superinductors

David Niepce, Jonathan Burnett, Jonas Bylander
Physical Review Applied. Vol. 11 (4)
Journal article
2018

Nondegenerate parametric oscillations in a tunable superconducting resonator

Andreas Bengtsson, Philip Krantz, Michael Roger Andre Simoen et al
Physical Review B. Vol. 97 (14)
Journal article
2018

Microwave photon generation in a doubly tunable superconducting resonator

Ida-Maria Svensson, Mathieu Pierre, Michael Roger Andre Simoen et al
Journal of Physics: Conference Series. Vol. 969 (1)
Paper in proceeding
2018

Period multiplication in a parametrically driven superconducting resonator

Ida-Maria Svensson, Andreas Bengtsson, Jonas Bylander et al
Applied Physics Letters. Vol. 113 (2)
Journal article
2018

Noise and loss of superconducting aluminium resonators at single photon energies

Jonathan Burnett, Andreas Bengtsson, David Niepce et al
Journal of Physics: Conference Series. Vol. 969 (1)
Paper in proceeding
2018

Preface to the Proceedings of the LT28

Jonas Bylander, Tomas Löfwander, Maciej Misiorny
Journal of Physics: Conference Series. Vol. 969
Other conference contribution
2017

Period-tripling subharmonic oscillations in a driven superconducting resonator

Ida-Maria Svensson, Andreas Bengtsson, Philip Krantz et al
Physical Review B. Vol. 96 (17), p. 174503-
Journal article
2017

Superconducting Quantum Bits of Information - Coherence and Design Improvements

Jonas Bylander
The Oxford Handbook of Small Superconductors, ed.by A.V. Narlikar, p. 525-566
Book chapter
2017

Writing in the disciplines as writing to learn – student disciplinary discourse to enhance learning

Magnus Gustafsson, Sabine Reinfeldt, Jonas Bylander
9th Conference of the European Association for the Teaching of Academic Writing (EATAW)
Paper in proceeding
2016

Writing to Learn Quantum Engineering: Improved Understanding and Communication by Revising a Writing Assignment

Jonas Bylander
KUL2016 Konferens om Undervisning och Lärande på Chalmers. Vol. Extended Abstracts
Paper in proceeding
2016

Experimental Test of the Entanglement of Radiation Generated by the Dynamical Casimir Effect

Ben Schneider, Michael Roger Andre Simoen, Ida-Maria Svensson et al
2016 Progress in Electromagnetics Research Symposium (Piers), p. 2314-2314
Paper in proceeding
2016

Single-shot read-out of a superconducting qubit using a Josephson parametric oscillator

Philip Krantz, Andreas Bengtsson, Michael Roger Andre Simoen et al
Nature Communications. Vol. 7 (11417)
Journal article
2016

Suppressing relaxation in superconducting qubits by quasiparticle pumping

S. Gustavsson, F. Yan, G. Catelani et al
Science. Vol. 354 (6319), p. 1573-1577
Journal article
2015

Characterization of a multimode coplanar waveguide parametric amplifier

Michael Roger Andre Simoen, C. W. S. Chang, Philip Krantz et al
Journal of Applied Physics. Vol. 118 (15), p. 154501-
Journal article
2015

Z-Gate Operation on a Superconducting Flux Qubit via its Readout SQUID

Jonas Bylander
Physical Review Applied. Vol. 3 (3), p. 034004-
Journal article
2014

Flux qubit noise spectroscopy using Rabi oscillations under strong driving conditions

F. Yoshihara, Y. Nakamura, F. Yan et al
Physical Review B - Condensed Matter and Materials Physics. Vol. 89 (2)
Journal article
2013

Investigation of nonlinear effects in Josephson parametric oscillators used in circuit quantum electrodynamics

Philip Krantz, Yarema Reshitnyk, Waltraut Wustmann et al
New Journal of Physics. Vol. 15, p. (article nr) 105002-
Journal article
2013

Time-reversal symmetry and universal conductance fluctuations in a driven two-level system

S. Gustavsson, Jonas Bylander, W.D. Oliver
Physical Review Letters. Vol. 110 (1), p. 016603-
Journal article
2013

Improving quantum gate fidelities by using a qubit to measure microwave pulse distortions

S. Gustavsson, O. Zwier, Jonas Bylander et al
Physical Review Letters. Vol. 110 (4), p. 040502-
Journal article
2013

Rotating-frame relaxation as a noise spectrum analyser of a superconducting qubit undergoing driven evolution

F. Yan, S. Gustavsson, Jonas Bylander et al
Nature Communications. Vol. 4, p. 2337-
Journal article
2012

Spectroscopy of low-frequency noise and its temperature dependence in a superconducting qubit

F. Yan, Jonas Bylander, S. Gustavsson et al
Physical Review B - Condensed Matter and Materials Physics. Vol. 85 (17), p. 174521-
Journal article
2012

Driven dynamics and rotary echo of a qubit tunably coupled to a harmonic oscillator

S. Gustavsson, Jonas Bylander, F. Yan et al
Physical Review Letters. Vol. 108 (17), p. 170503-
Journal article
2012

Dynamical decoupling and dephasing in interacting two-level systems

S. Gustavsson, F. Yan, Jonas Bylander et al
Physical Review Letters. Vol. 109 (1), p. 010502-
Journal article
2011

Noise correlations in a flux qubit with tunable tunnel coupling

S. Gustavsson, Jonas Bylander, F. Yan et al
Physical Review B - Condensed Matter and Materials Physics. Vol. 84 (1), p. 014525-
Journal article
2011

Noise spectroscopy through dynamical decoupling with a superconducting flux qubit

Jonas Bylander, S. Gustavsson, F. Yan et al
Nature Physics. Vol. 7 (7), p. 565-570
Journal article
2009

Pulse imaging and nonadiabatic control of solid-state artificial atoms

Jonas Bylander, M.S. Rudner, A.V. Shytov et al
Physical Review B - Condensed Matter and Materials Physics. Vol. 80 (22), p. 220506-
Journal article
2007

Crossover from time-correlated single-electron tunneling to that of Cooper pairs

Jonas Bylander, Tim Duty, Göran Johansson et al
Physical Review B. Vol. 76 (2), p. 020506(R)-
Journal article
2006

Line Widths of Single-Electron Tunneling Oscillations: Experiment and Numerical Simulations

Jonas Bylander, Tim Duty, Per Delsing
AIP Conference Proceedings. 24th International Conference on Low Temperature Physics - LT24, Orlando, Florida (USA), 10-17 August 2005. Eds: Y. Takano, S. P. Hershfield, S. O. Hill, P. J. Hirschfeld, A. M. Goldman. Vol. 850, p. 1442-1443
Paper in proceeding
2005

Current measurement by real-time counting of single electrons

Jonas Bylander, Tim Duty, Per Delsing
Nature. Vol. 434 (7031), p. 361 - 364
Journal article
2005

Current measurement by real-time counting of single charges

Jonas Bylander
Licentiate thesis
2005

Direct observation of time correlated single-electron tunneling

Jonas Bylander, Tim Duty, Per Delsing
Conference Program and Extended Abstracts. 10th International Superconductive Electronics Conference, p. O-J.02
Other conference contribution
2003

Generation of non-classical light by single quantum dots

I. Robert-Philip, E. Moreau, S. Varoutsis et al
Journal of Luminescence. Vol. 102-103 (SPEC), p. 67-71
Paper in proceeding
2003

Interference and correlation of two independent photons

Jonas Bylander, Isabelle Robert-Philip, Izo Abram
European Physical Journal D. Vol. 22, p. 295-301
Journal article
2003

Single photon emission from individual semiconductor nanostructures

M. Gallart, S. Varoutsis, Jonas Bylander et al
Physica E: Low-Dimensional Systems and Nanostructures. Vol. 17 (1-4), p. 568-571
Paper in proceeding
2002

Emission statistics of semiconductor quantum dots

Isabelle Robert-Philip, Emmanuel Moreau, Spyridon Varoutsis et al
Nonlinear Optics, Principles, Materials, Phenomena, and Devices. Vol. 29, p. 189-196
Paper in proceeding

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Showing 12 research projects

2023–2026

Open Superconducting Quantum Computers (OpenSuperQPlus)

Jonas Bylander Quantum Technology
European Commission (EC)

4 publications exist
2022–2024

Commercial Production of Quantum Computing Components

Jonas Bylander Quantum Technology
VINNOVA

2018–2021

An Open Superconducting Quantum Computer (OpenSuperQ)

Jonas Bylander Quantum Technology
European Commission (EC)

8 publications exist
2016–2016

Parametric amplifiers for superconducting quantum information processing

Jonas Bylander Quantum Device Physics
Chalmers

2016–2016

Super/semiconductor quantum-noise-limited broadband amplifier (SuperSemiQ)

Jonas Bylander Quantum Device Physics
Jan Grahn Microwave Electronics
Chalmers

2016–2016

Course development for enhanced learning of quantum engineering

Jonas Bylander Quantum Device Physics
Magnus Gustafsson Language and Communication
Chalmers

2016–2025

Quantum Sound: Generating and manipulating phonons at the quantum level

Per Delsing Quantum Device Physics
Jonas Bylander Quantum Device Physics
Swedish Research Council (VR)

3 publications exist
2015–2019

Quantum states of photons and relativistic physics on a chip

Per Delsing Quantum Device Physics
Göran Johansson Applied Quantum Physics
Jonas Bylander Quantum Device Physics
Vitaly Shumeiko Applied Quantum Physics
Knut and Alice Wallenberg Foundation

3 publications exist
2014–2018

Steady-state entanglement with superconducting qubits (SUPTANGO)

Jonas Bylander Quantum Device Physics
European Commission (EC)

2014–2017

Superinductors for quantum information science (Super JB)

Jonas Bylander Quantum Device Physics
David Niepce Quantum Device Physics
Swedish Research Council (VR)

1 publication exists
2013–2014

Superinductance for very long-lived quantum coherence

Jonas Bylander Quantum Device Physics
Chalmers

2 publications exist
2013–2014

Non-linear microwave resonators for quantum-mechanical information technology

Jonas Bylander Quantum Device Physics
The Swedish Foundation for International Cooperation in Research and Higher Education (STINT)

There might be more projects where Jonas Bylander participates, but you have to be logged in as a Chalmers employee to see them.