427 citations · 1.8k across the 16 of their papers we have counts for
17 papers
Operating semiconductor qubits without individual barrier gates
A. S. Ivlev, D. R. Crielaard, M. Meyer +8
Semiconductor spin qubits have emerged as a promising platform for quantum computing, following a significant improvement in their control fidelities over recent years. Increasing…
A quantum dot in germanium proximitized by a superconductor
Lazar Lakic, William I. L. Lawrie, David van Driel +6
Planar germanium quantum wells have recently been shown to host hard-gapped superconductivity. Additionally, quantum dot spin qubits in germanium are well-suited for quantum inform…
Operating semiconductor quantum processors with hopping spins
Chien-An Wang, Valentin John, Hanifa Tidjani +16
Qubits that can be efficiently controlled are essential for the development of scalable quantum hardware. While resonant control is used to execute high-fidelity quantum gates, the…
Coherent spin qubit shuttling through germanium quantum dots
Floor van Riggelen-Doelman, Chien-An Wang, Sander L. de Snoo +7
Quantum links can interconnect qubit registers and are therefore essential in networked quantum computing. Semiconductor quantum dot qubits have seen significant progress in the hi…
Bichromatic Rabi Control of Semiconductor Qubits
Valentin John, Francesco Borsoi, Zoltán György +9
Electrically driven spin resonance is a powerful technique for controlling semiconductor spin qubits. However, it faces challenges in qubit addressability and off-resonance driving…
Probing resonating valence bonds on a programmable germanium quantum simulator
Chien-An Wang, Corentin Déprez, Hanifa Tidjani +5
Simulations using highly tunable quantum systems may enable investigations of condensed matter systems beyond the capabilities of classical computers. Quantum dots and donors in se…
Phase flip code with semiconductor spin qubits
F. van Riggelen, W. I. L. Lawrie, M. Russ +6
The fault-tolerant operation of logical qubits is an important requirement for realizing a universal quantum computer. Spin qubits based on quantum dots have great potential to be…
Universal control of a six-qubit quantum processor in silicon
Stephan G. J. Philips, Mateusz T. Mądzik, Sergey V. Amitonov +12
Future quantum computers capable of solving relevant problems will require a large number of qubits that can be operated reliably. However, the requirements of having a large qubit…
A four-qubit germanium quantum processor
N. W. Hendrickx, W. I. L. Lawrie, M. Russ +6
The prospect of building quantum circuits using advanced semiconductor manufacturing positions quantum dots as an attractive platform for quantum information processing. Extensive…
A two-dimensional array of single-hole quantum dots
F. van Riggelen, N. W. Hendrickx, W. I. L. Lawrie +4
Quantum dots fabricated using techniques and materials that are compatible with semiconductor manufacturing are promising for quantum information processing. While great progress h…
High-fidelity two-qubit gates in silicon above one Kelvin
L. Petit, M. Russ, H. G. J. Eenink +4
Spin qubits in quantum dots define an attractive platform for scalable quantum information because of their compatibility with semiconductor manufacturing, their long coherence tim…
Low percolation density and charge noise with holes in germanium
M. Lodari, N. W. Hendrickx, W. I. L. Lawrie +5
We engineer planar Ge/SiGe heterostructures for low disorder and quiet hole quantum dot operation by positioning the strained Ge channel 55~nm below the semiconductor/dielectric in…
Spin relaxation benchmarks and individual qubit addressability for holes in quantum dots
W. I. L. Lawrie, N. W. Hendrickx, F. van Riggelen +5
We investigate hole spin relaxation in the single- and multi-hole regime in a 2x2 germanium quantum dot array. We use radiofrequency (rf) charge sensing and observe Pauli Spin-Bloc…
A single-hole spin qubit
N. W. Hendrickx, W. I. L. Lawrie, L. Petit +3
Qubits based on quantum dots have excellent prospects for scalable quantum technology due to their inherent compatibility with standard semiconductor manufacturing. While early on…
Universal quantum logic in hot silicon qubits
L. Petit, H. G. J. Eenink, M. Russ +5
Quantum computation requires many qubits that can be coherently controlled and coupled to each other. Qubits that are defined using lithographic techniques are often argued to be p…
Quantum Dot Arrays in Silicon and Germanium
W. I. L. Lawrie, H. G. J. Eenink, N. W. Hendrickx +15
Electrons and holes confined in quantum dots define an excellent building block for quantum emergence, simulation, and computation. In order for quantum electronics to become pract…
Tunable coupling and isolation of single electrons in silicon metal-oxide-semiconductor quantum dots
H. G. J. Eenink, L. Petit, W. I. L. Lawrie +3
Extremely long coherence times, excellent single-qubit gate fidelities and two-qubit logic have been demonstrated with silicon metal-oxide-semiconductor spin qubits, making it one…