543 citations · 5.4k across the 62 of their papers we have counts for
66 papers
Quantum Simulation of Si/SiGe Devices with Experimentally Calibrated Micromagnet Effects
Andrii Sokolov, Conor Power, Mathieu Moras +7
Silicon-based spin qubits in Si/SiGe heterostructures are a leading platform for scalable quantum computing, yet bridging the gap between theoretical computer-aided design(CAD) mod…
Opto-Electrical Detection of Donor Bound Excitons in Silicon-on-Insulator Substrate
A. Kanniainen, A. S. Kumar, A. Sammak +2
Spin of a donor bound electron in silicon has been shown to be a very coherent qubit system but lacks a coherent optical interface. There does, however, exist a donor bound exciton…
Controllable interaction between photons and distant spins via vacuum Rabi oscillations
Xiao Xue, Jurgen Dijkema, Tobias Bonsen +7
Vacuum Rabi oscillations between a single photon and a single spin demonstrate the capability of harnessing light-matter interaction at the level of a single quantum of energy. Sin…
Distributing entanglement between distant semiconductor qubit registers using a shared-control shuttling link
Zarije Ademi, Marion Bassi, Cécile X. Yu +8
Semiconductor quantum processors have potential to scale to modular quantum computers, in which qubit registers are coupled by quantum links, enabling high connectivity and space f…
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…
Mitigation of exchange cross-talk in dense quantum dot arrays
Daniel Jirovec, Pablo Cova Fariña, Stefano Reale +7
Coupled spins in semiconductor quantum dots are a versatile platform for quantum computing and simulations of complex many-body phenomena. However, on the path of scale-up, cross-t…
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…
Baseband control of single-electron silicon spin qubits in two dimensions
Florian K. Unseld, Brennan Undseth, Eline Raymenants +9
Micromagnet-enabled electric-dipole spin resonance (EDSR) is an established method of high-fidelity single-spin control in silicon. However, the resulting architectural limitations…
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…
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…
Coupled vertical double quantum dots at single-hole occupancy
Alexander Ivlev, Hanifa Tidjani, Stefan Oosterhout +3
Gate-defined quantum dots define an attractive platform for quantum computation and have been used to confine individual charges in a planar array. Here, we demonstrate control ove…
Universal control of four singlet-triplet qubits
Xin Zhang, Elizaveta Morozova, Maximilian Rimbach-Russ +9
The coherent control of interacting spins in semiconductor quantum dots is of strong interest for quantum information processing as well as for studying quantum magnetism from the…
Two-qubit logic between distant spins in silicon
Jurgen Dijkema, Xiao Xue, Patrick Harvey-Collard +6
Direct interactions between quantum particles naturally fall off with distance. For future-proof qubit architectures, however, it is important to avail of interaction mechanisms on…
Single-electron occupation in quantum dot arrays at selectable plunger gate voltage
Marcel Meyer, Corentin Déprez, Ilja N. Meijer +6
The small footprint of semiconductor qubits is favourable for scalable quantum computing. However, their size also makes them sensitive to their local environment and variations in…
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…
Rapid single-shot parity spin readout in a silicon double quantum dot with fidelity exceeding 99 %
Kenta Takeda, Akito Noiri, Takashi Nakajima +5
Silicon-based spin qubits offer a potential pathway toward realizing a scalable quantum computer owing to their compatibility with semiconductor manufacturing technologies. Recent…
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…
Hamiltonian Phase Error in Resonantly Driven CNOT Gate Above the Fault-Tolerant Threshold
Yi-Hsien Wu, Leon C. Camenzind, Akito Noiri +8
Because of their long coherence time and compatibility with industrial foundry processes, electron spin qubits are a promising platform for scalable quantum processors. A full-fled…
Exciton transport in a germanium quantum dot ladder
T. -K. Hsiao, P. Cova Fariña, S. D. Oosterhout +10
Quantum systems with engineered Hamiltonians can be used as simulators of many-body physics problems to provide insights beyond the capabilities of classical computers. Semiconduct…
A 2D quantum dot array in planar Si/SiGe
Florian K. Unseld, Marcel Meyer, Mateusz T. Mądzik +7
Semiconductor spin qubits have gained increasing attention as a possible platform to host a fault-tolerant quantum computer. First demonstrations of spin qubit arrays have been sho…
A vertical gate-defined double quantum dot in a strained germanium double quantum well
Hanifa Tidjani, Alberto Tosato, Alexander Ivlev +6
Gate-defined quantum dots in silicon-germanium heterostructures have become a compelling platform for quantum computation and simulation. Thus far, developments have been limited t…
Germanium wafers for strained quantum wells with low disorder
Lucas E. A. Stehouwer, Alberto Tosato, Davide Degli Esposti +4
We grow strained Ge/SiGe heterostructures by reduced-pressure chemical vapor deposition on 100 mm Ge wafers. The use of Ge wafers as substrates for epitaxy enables high-quality Ge-…