117 citations · 476 across the 18 of their papers we have counts for
19 papers
SiMOS quantum-dot spin qubits enabled by extreme-ultraviolet lithography
Thomas Van Caekenberghe, Paul Steinacker, Bart Raes +31
The realization of large-scale silicon quantum processors requires spin qubits compatible with advanced semiconductor manufacturing technologies, demanding lithographic processes t…
Concatenated continuous driving of silicon qubit by amplitude and phase modulation
Takuma Kuno, Takeru Utsugi, Andrew J. Ramsay +22
The rate of coherence loss is lower for a qubit under the Rabi drive than a freely evolving qubit . Building on this principle, concatenated continuous d…
Eight-Qubit Operation of a 300 mm SiMOS Foundry-Fabricated Device
Andreas Nickl, Nard Dumoulin Stuyck, Paul Steinacker +24
Silicon spin qubits are a promising platform for quantum computing due to their high coherence, controllability, and CMOS manufacturability, yet scalable implementations have so fa…
Nonvolatile Cryogenic Phase Slip Memory with Single-Shot Readout
Lukas Nulens, Davi A. D. Chaves, Stijn Reniers +6
The demand for cryogenic memory components is driven by the need for ultra-fast, low-power, and highly reliable computing systems. Phase slip-based devices promise to fulfill all t…
DC-operated Josephson junction arrays as a cryogenic on-chip microwave measurement platform
Senne Vervoort, Lukas Nulens, Davi A. D. Chaves +8
Providing radio frequency (RF) signals to circuits working in cryogenic conditions requires bulky and expensive transmission cabling interfacing specialized RF electronics anchored…
A 300 mm foundry silicon spin qubit unit cell exceeding 99% fidelity in all operations
Paul Steinacker, Nard Dumoulin Stuyck, Wee Han Lim +24
Fabrication of quantum processors in advanced 300 mm wafer-scale complementary metal-oxide-semiconductor (CMOS) foundries provides a unique scaling pathway towards commercially via…
Non-Invasive Readout of the Kinetic Inductance of Superconducting Nanostructures
Lukas Nulens, Davi A. D. Chaves, Omar J. Y. Harb +7
The energy landscape of multiply connected superconducting structures is ruled by fluxoid quantization due to the implied single-valuedness of the complex wave function. The transi…
Catastrophic magnetic flux avalanches in NbTiN superconducting resonators
Lukas Nulens, Nicolas Lejeune, Joost Caeyers +9
Macroscopic superconducting components are an important building block of various quantum circuits. Since several of the envisioned applications require exposure to magnetic fields…
Argon milling induced decoherence mechanisms in superconducting quantum circuits
J. Van Damme, Ts. Ivanov, P. Favia +12
The fabrication of superconducting circuits requires multiple deposition, etch and cleaning steps, each possibly introducing material property changes and microscopic defects. In t…
Manufacturing high-Q superconducting α-tantalum resonators on silicon wafers
D. P. Lozano, M. Mongillo, X. Piao +19
The performance of state-of-the-art superconducting quantum devices is currently limited by microwave dielectric losses at different surfaces and interfaces. α-tantalum is a superc…
Nanobridge SQUIDs as multilevel memory elements
Davi A. D. Chaves, Lukas Nulens, Heleen Dausy +6
With the development of novel computing schemes working at cryogenic temperatures, superconducting memory elements have become essential. In this context, superconducting quantum i…
Metastable states and hidden phase slips in nanobridge SQUIDs
Lukas Nulens, Heleen Dausy, Michal J. Wyszynski +4
We fabricated an asymmetric nanoscale SQUID consisting of one nanobridge weak link and one Dayem bridge weak link. The current phase relation of these particular weak links is char…
The impact of kinetic inductance on the critical current oscillations of nanobridge SQUIDs
H. Dausy, L. Nulens, B. Raes +2
In this work, we study the current phase relation () of lithographically fabricated molybdenum germanium (MoGe) nanobridges, which is intimately linked to the nanobridge kinet…
Determination of the spin-lifetime anisotropy in graphene using oblique spin precession
Bart Raes, Jeroen E. Scheerder, Marius V. Costache +5
We determine the spin-lifetime anisotropy of spin-polarized carriers in graphene. In contrast to prior approaches, our method does not require large out-of-plane magnetic fields an…
Spin precession in anisotropic media
B. Raes, A. W. Cummings, F. Bonell +4
We generalize the diffusive model for spin injection and detection in nonlocal spin structures to account for spin precession under an applied magnetic field in an anisotropic medi…
Thermoelectric spin voltage in graphene
Juan F. Sierra, Ingmar Neumann, Jo Cuppens +3
In recent years, new spin-dependent thermal effects have been discovered in ferromagnets, stimulating a growing interest in spin caloritronics, a field that exploits the interactio…
A closer look at the low frequency dynamics of vortex matter
B. Raes, C. de Souza Silva, A. V. Silhanek +3
Using scanning susceptibility microscopy, we shed new light on the dynamics of individual superconducting vortices and examine the hypotheses of the phenomenological models traditi…
Local mapping of dissipative vortex motion
B. Raes, J. Van de Vondel, A. V. Silhanek +4
We explore, with unprecedented single vortex resolution, the dissipation and motion of vortices in a superconducting ribbon under the influence of an external alternating magnetic…
Symmetry-induced giant vortex state in a superconducting film with a Penrose array of magnetic pinning centers
R. B. G. Kramer, A. V. Silhanek, J. Van de Vondel +2
A direct visualization of the flux distribution in a Pb film covering a five-fold Penrose array of Co dots is obtained by mapping the local field distribution with a scanning Hall…