543 citations · 5.4k across the 62 of their papers we have counts for
14 papers · 1 filter
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-…
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…
Spatial noise correlations beyond nearest-neighbor in Si/SiGe spin qubits
Juan S. Rojas-Arias, Akito Noiri, Peter Stano +8
We detect correlations in qubit-energy fluctuations of non-neighboring qubits defined in isotopically purified Si/SiGe quantum dots. At low frequencies (where the noise is stronges…