activity
20172026
most citedProbing single electrons across 300 mm spin qubit wafers

142 citations · 477 across the 12 of their papers we have counts for

collaborators
Showing cond-mat.mes-hallShow all

8 papers · 1 filter

cond-mat.mes-hall2026

20 Second Parity Lifetime in an InAs--Pb Tetron Device

Morteza Aghaee, Zulfi Alam, Mariusz Andrzejczuk +162

A central promise of topological quantum computing is that increasing the excitation gap improves device performance significantly. Here, we experimentally validate this principle…

cond-mat.mes-hall2025

Distinct Lifetimes for and Loop Measurements in a Majorana Tetron Device

Morteza Aghaee, Zulfi Alam, Rikke Andersen +164

We present a hardware realization and measurements of a tetron qubit device in a superconductor-semiconductor heterostructure. The device architecture contains two parallel superco…

cond-mat.mes-hall2022★ 1 cited

Fast high-fidelity single-shot readout of spins in silicon using a single-electron box

G. A. Oakes, V. N. Ciriano-Tejel, D. Wise +18

Three key metrics for readout systems in quantum processors are measurement speed, fidelity and footprint. Fast high-fidelity readout enables mid-circuit measurements, a necessary…

cond-mat.mes-hall2020★ 13 cited

Dispersive readout of reconfigurable ambipolar quantum dots in a silicon-on-insulator nanowire

Jingyu Duan, Janne S. Lehtinen, Michael A. Fogarty +8

We report on ambipolar gate-defined quantum dots in silicon on insulator (SOI) nanowires fabricated using a customised complementary metal-oxide-semiconductor (CMOS) process. The a…

cond-mat.mes-hall2020★ 59 cited

Spin readout of a CMOS quantum dot by gate reflectometry and spin-dependent tunnelling

V. N. Ciriano-Tejel, M. A. Fogarty, S. Schaal +8

Silicon spin qubits are promising candidates for realising large scale quantum processors, benefitting from a magnetically quiet host material and the prospects of leveraging the m…

cond-mat.mes-hall2019★ 80 cited

Fast gate-based readout of silicon quantum dots using Josephson parametric amplification

S. Schaal, I. Ahmed, J. A. Haigh +12

Spins in silicon quantum devices are promising candidates for large-scale quantum computing. Gate-based sensing of spin qubits offers compact and scalable readout with high fidelit…

cond-mat.mes-hall2018★ 60 cited

A CMOS dynamic random access architecture for radio-frequency readout of quantum devices

S. Schaal, A. Rossi, S. Barraud +2

Quantum computing technology is maturing at a relentless pace, yet individual quantum bits are wired one by one. As quantum processors become more complex, they require efficient i…

cond-mat.mes-hall2017★ 24 cited

Conditional dispersive readout of a CMOS quantum dot via an integrated transistor circuit

S. Schaal, S. Barraud, J. J. L. Morton +1

Quantum computers require interfaces with classical electronics for efficient qubit control, measurement and fast data processing. Fabricating the qubit and the classical control l…