Leif Grönberg

VTT Technical Research Centre of Finland — Finland

Physics and Astronomy · Physical Sciences

23h-index1.8kcitations154works6.02yr avg
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Research Topics

Physics of Superconductivity and Magnetism(46), Superconducting and THz Device Technology(39), Quantum and electron transport phenomena(36), Quantum Information and Cryptography(26), Quantum Computing Algorithms and Architecture(19)

Publications154 total

Methods to achieve near-millisecond energy relaxation and dephasing times for a superconducting transmon qubit
Nature Communications·2025· 22 citedOpen Access
Quantum SWAP gate realized with CZ and iSWAP gates in a superconducting architecture
New Journal of Physics·2025· 4 citedOpen Access
Quantum SWAP gate realized with CZ and iSWAP gates in a superconducting architecture
arXiv (Cornell University)·2024Open Access
Two-Stage SQUID Amplifier With Bias Current Re-Use
IEEE Transactions on Applied Superconductivity·2024Open Access
Fast unconditional reset and leakage reduction in fixed-frequency transmon qubits
2024· 2 citedOpen Access
Signal Crosstalk in a Flip-Chip Quantum Processor
PRX Quantum·2024· 19 citedOpen Access
Methods to achieve near-millisecond energy relaxation and dephasing times for a superconducting transmon qubit
arXiv (Cornell University)·2024· 1 citedOpen Access
Signal crosstalk in a flip-chip quantum processor
arXiv (Cornell University)·2024Open Access
Experimentally verified, fast analytic and numerical design of superconducting resonators in flip-chip architectures
arXiv (Cornell University)·2023· 4 citedOpen Access
Components for Multiplexed DC-SQUID Readouts of Transition Edge Sensor Arrays
IEEE Transactions on Applied Superconductivity·2023· 2 cited
Author Correction: Transmon qubit readout fidelity at the threshold for quantum error correction without a quantum-limited amplifier
npj Quantum Information·2023· 10 citedOpen Access
Transmon qubit readout fidelity at the threshold for quantum error correction without a quantum-limited amplifier
npj Quantum Information·2023· 67 citedOpen Access
Experimentally Verified, Fast Analytic, and Numerical Design of Superconducting Resonators in Flip-Chip Architectures
IEEE Transactions on Quantum Engineering·2023· 10 citedOpen Access
Initial experimental results on a superconducting-qubit reset based on photon-assisted quasiparticle tunneling
Applied Physics Letters·2022· 14 citedOpen Access
Transmon qubit readout fidelity at the threshold for quantum error correctionwithout a quantum-limited amplifier
Research Square (Research Square)·2022· 5 citedOpen Access
Broadband Continuous-Variable Entanglement Generation Using a Kerr-Free Josephson Metamaterial
Physical Review Applied·2022· 45 citedOpen Access
Transmon qubit readout fidelity at the threshold for quantum error correction without a quantum-limited amplifier
arXiv (Cornell University)·2022· 3 citedOpen Access
Building blocks of a flip-chip integrated superconducting quantum processor
Quantum Science and Technology·2022· 4 citedOpen Access
A Sub-GHz Impedance-Engineered Parametric Amplifier for the Readout of Sensors and Quantum Dots
IEEE Transactions on Applied Superconductivity·2022· 2 citedOpen Access
Qubit-Compatible Substrates With Superconducting Through-Silicon Vias
IEEE Transactions on Quantum Engineering·2022· 23 citedOpen Access
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Frequent Co-authors

Juha Hassel(23), Visa Vesterinen(15), Heikki Seppä(11), Arttu Luukanen(10), P. Helistö(10), Mikko Möttönen(10), M. Kiviranta(9), Kuan Yen Tan(8), Jari Penttilä(8), Hannu Sipola(8), Erich N. Grossman(7), Charles Dietlein(7), Joonas Govenius(7), Matti Partanen(7), Mika Prunnila(6), Slawomir Simbierowicz(6), I. Suni(6), Jan Goetz(5), Vasilii Sevriuk(5), Russell E. Lake(5)