activity
20242026
most citedA 300 mm foundry silicon spin qubit unit cell exceeding 99% fidelity in all operations

46 citations · 55 across the 14 of their papers we have counts for

collaborators

16 papers

cond-mat.mes-hall2026

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…

quant-ph2026

Understanding oxide-thickness-dependent variability in dense Si-MOS quantum dot arrays

Arne Loenders, Jacques Van Damme, Clement Godfrin +19

Achieving uniform and scalable control of semiconductor spin qubits remains a key challenge for large scale quantum computing. In this work, we investigate how gate oxide thickness…

cond-mat.mes-hall2026

Valley enhanced Rabi frequency in n-type planar Silicon-MOS quantum dot

Xunyao Luo, Xander Peetroons, Tsung-Yeh Yang +27

Electron spin resonance spectroscopy (ESR) of a single electron in planar Si-MOS quantum dot is reported in the vicinity of a valley level anti-crossing. A number of one and two-ph…

quant-ph2026

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…

quant-ph2026★ 1 cited

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…

cond-mat.mes-hall2025

Long coherence silicon spin qubit fabricated in a 300 mm industrial foundry

Petar Tomić, Patrick Bütler, Yuze Wu +17

Silicon spin qubits offer long coherence times, a compact footprint and compatibility with industrial CMOS manufacturing. Here, we investigate spin qubits hosted in quantum dots fa…

cond-mat.mes-hall2025

Multimode RF Reflectometry for Spin Qubit Readout and Device Characterization

Joffrey Rivard, Alexis Morel, Olivier Romain +10

We introduce a multimode superconducting inductor architecture that enables radio-frequency reflectometry at multiple discrete frequencies up to 2 GHz, addressing limitations of co…

cond-mat.mes-hall2025

High Fidelity Qubit Control in a Natural Si-MOS Quantum Dot using a 300 mm Silicon on Insulator Wafer

Xander Peetroons, Xunyao Luo, Tsung-Yeh Yang +26

We demonstrate high-fidelity single qubit control in a natural Si-MOS quantum dot fabricated in an industrial 300 mm wafer process on a silicon on insulator (SOI) wafer using elect…

quant-ph2025

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…

cond-mat.mes-hall2025

Hybrid Quantum Systems: Coupling Single-Molecule Magnet Qudits with Industrial Silicon Spin Qubits

Daniel Schroller, Daniel Sitter, Thomas Koch +12

Molecular spin qudits offer an attractive platform for quantum memory, combining long coherence times with rich multi-level spin structures. Terbium bis(phthalocyaninato) (TbPc…

cond-mat.mes-hall2025★ 1 cited

Rapid Autotuning of a SiGe Quantum Dot into the Single-Electron Regime with Machine Learning and RF-Reflectometry FPGA-Based Measurements

Marc-Antoine Roux, Joffrey Rivard, Victor Yon +18

Spin qubits need to operate within a very precise voltage space around charge state transitions to achieve high-fidelity gates. However, the stability diagrams that allow the ident…

cond-mat.mes-hall2025

Precision high-speed quantum logic with holes on a natural silicon foundry platform

Isaac Vorreiter, Jonathan Y. Huang, Scott D. Liles +15

Silicon spin qubits in gate-defined quantum dots leverage established semiconductor infrastructure and offer a scalable path toward transformative quantum technologies. Holes spins…

quant-ph2025★ 7 cited

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…

cond-mat.mes-hall2024

Statistical Analysis of Spurious Dot Formation in SiMOS Single Electron Transistors

Kuan-Chu Chen, Clement Godfrin, George Simion +8

The spatial distribution of spurious dots in SiMOS single-electron transistors (SETs), fabricated on an industrial 300 mm process line, has been statistically analyzed. To have a d…

cond-mat.mes-hall2024★ 46 cited

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…

cond-mat.mes-hall2024

Industrial 300mm wafer processed spin qubits in natural silicon/silicon-germanium

Thomas Koch, Clement Godfrin, Viktor Adam +11

The realisation of an universal quantum computer will require the operation of thousands to millions of qubits. The possibility of using existing industrial semiconductor fabricati…