427 citations · 1.3k across the 14 of their papers we have counts for
16 papers
Coherence Protection for Mobile Spin Qubits in Silicon
Jan A. Krzywda, Yuta Matsumoto, Maxim De Smet +6
Mobile spin qubit architectures promise flexible connectivity for efficient quantum error correction and relaxed device layout constraints, but their viability rests on preserving…
Tracking spin qubit frequency variations over 912 days
Kenji Capannelli, Brennan Undseth, Irene Fernández de Fuentes +9
Solid-state qubits are sensitive to their microscopic environment, causing the qubit properties to fluctuate on a wide range of timescales. The sub-Hz end of the spectrum is usuall…
Running a six-qubit quantum circuit on a silicon spin qubit array
I. Fernández de Fuentes, E. Raymenants, B. Undseth +9
The simplicity of encoding a qubit in the state of a single electron spin and the potential for their integration into industry-standard microchips continue to drive the field of s…
Two-qubit logic and teleportation with mobile spin qubits in silicon
Yuta Matsumoto, Maxim De Smet, Larysa Tryputen +6
The scalability and power of quantum computing architectures depend critically on high-fidelity operations and robust and flexible qubit connectivity. In this respect, mobile qubit…
Persistence of Entangled States and High Fidelity Quantum Gate Operations in Si/SiGe Spin Qubits at High Temperature
S. Amitonov, A. Aprà, M. Asker +20
We characterize single- and two-qubit operations in a SiGe quantum dot array, from the perspective of its quantum information processing capabilities. The analysis includes rigorou…
High-fidelity single-spin shuttling in silicon
Maxim De Smet, Yuta Matsumoto, Anne-Marije J. Zwerver +12
The computational power and fault-tolerance of future large-scale quantum processors derive in large part from the connectivity between the qubits. One approach to increase connect…
Low disorder and high valley splitting in silicon
Davide Degli Esposti, Lucas E. A. Stehouwer, Önder Gül +13
The electrical characterisation of classical and quantum devices is a critical step in the development cycle of heterogeneous material stacks for semiconductor spin qubits. In the…
Hotter is easier: unexpected temperature dependence of spin qubit frequencies
Brennan Undseth, Oriol Pietx-Casas, Eline Raymenants +13
As spin-based quantum processors grow in size and complexity, maintaining high fidelities and minimizing crosstalk will be essential for the successful implementation of quantum al…
Reducing charge noise in quantum dots by using thin silicon quantum wells
B. Paquelet Wuetz, D. Degli Esposti, A. M. J. Zwerver +7
Charge noise in the host semiconductor degrades the performance of spin-qubits and poses an obstacle to control large quantum processors. However, it is challenging to engineer the…
Shuttling an electron spin through a silicon quantum dot array
A. M. J. Zwerver, S. V. Amitonov, S. L. de Snoo +5
Coherent links between qubits separated by tens of micrometers are expected to facilitate scalable quantum computing architectures for spin qubits in electrically-defined quantum d…
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…
Atomic fluctuations lifting the energy degeneracy in Si/SiGe quantum dots
Brian Paquelet Wuetz, Merritt P. Losert, Sebastian Koelling +16
Electron spins in Si/SiGe quantum wells suffer from nearly degenerate conduction band valleys, which compete with the spin degree of freedom in the formation of qubits. Despite att…
Qubits made by advanced semiconductor manufacturing
A. M. J. Zwerver, T. Krähenmann, T. F. Watson +26
Full-scale quantum computers require the integration of millions of quantum bits. The promise of leveraging industrial semiconductor manufacturing to meet this requirement has fuel…
On-chip Integration of Si/SiGe-based Quantum Dots and Switched-capacitor Circuits
Y. Xu, F. K. Unseld, A. Corna +9
Solid-state qubits integrated on semiconductor substrates currently require at least one wire from every qubit to the control electronics, leading to a so-called wiring bottleneck…
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…
Quantum transport properties of industrial Si/SiO
D. Sabbagh, N. Thomas, J. Torres +21
We investigate the structural and quantum transport properties of isotopically enriched Si/SiO stacks deposited on 300 mm Si wafers in an industrial CMOS fab. Hig…