105 citations · 330 across the 11 of their papers we have counts for
11 papers
Ultra-high Q-factor superconducting tantalum resonators on 300 mm Si wafers
R. Acharya, D. Perez Lozano, Ts. Ivanov +13
Superconducting resonators are central to superconducting quantum information technologies and essential for bosonic qubit architectures, where long-lived storage modes enable hard…
CryoCMOS RF multiplexer for superconducting qubit control, readout and flux biasing at millikelvin temperatures with picowatt power consumption
Liam Fallik, Sriram Balamurali, Alican Caglar +12
Large-scale cryogenic quantum systems are constrained by an input-output bottleneck between room-temperature electronics and millikelvin stages, particularly in superconducting qub…
Reversing Hydrogen-Related Loss in -Ta Thin Films for Quantum Device Fabrication
D. P. Lozano, M. Mongillo, B. Raes +10
-Tantalum (-Ta) is an emerging material for superconducting qubit fabrication due to the low microwave loss of its stable native oxide. However, hydrogen absorption during fa…
High-coherence superconducting qubits made using industry-standard, advanced semiconductor manufacturing
Jacques Van Damme, Shana Massar, Rohith Acharya +13
The development of superconducting qubit technology has shown great potential for the construction of practical quantum computers. As the complexity of quantum processors continues…
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…
Overcoming I/O bottleneck in superconducting quantum computing: multiplexed qubit control with ultra-low-power, base-temperature cryo-CMOS multiplexer
Rohith Acharya, Steven Brebels, Alexander Grill +14
Large-scale superconducting quantum computing systems entail high-fidelity control and readout of large numbers of qubits at millikelvin temperatures, resulting in a massive input-…
Path toward manufacturable superconducting qubits with relaxation times exceeding 0.1 ms
J. Verjauw, R. Acharya, J. Van Damme +11
As the superconducting qubit platform matures towards ever-larger scales in the race towards a practical quantum computer, limitations due to qubit inhomogeneity through lack of pr…
A flexible 300 mm integrated Si MOS platform for electron- and hole-spin qubits exploration
R. Li, N. I. Dumoulin Stuyck, S. Kubicek +12
We report on a flexible 300 mm process that optimally combines optical and electron beam lithography to fabricate silicon spin qubits. It enables on-the-fly layout design modificat…
Investigation of microwave loss induced by oxide regrowth in high-Q Nb resonators
J. Verjauw, A. Potočnik, M. Mongillo +16
The coherence of state-of-the-art superconducting qubit devices is predominantly limited by two-level-system defects, found primarily at amorphous interface layers. Reducing microw…
Millikelvin temperature cryo-CMOS multiplexer for scalable quantum device characterisation
Anton Potočnik, Steven Brebels, Jeroen Verjauw +11
Quantum computers based on solid state qubits have been a subject of rapid development in recent years. In current Noisy Intermediate-Scale Quantum (NISQ) technology, each quantum…