A four-qubit germanium quantum processor

NW Hendrickx, WIL Lawrie, M Russ, F van Riggelen… - Nature, 2021 - nature.com
The prospect of building quantum circuits 1, 2 using advanced semiconductor manufacturing
makes quantum dots an attractive platform for quantum information processing 3, 4 …

Hole Spin Qubits in FinFETs With Fully Tunable Spin-Orbit Coupling and Sweet Spots for Charge Noise

S Bosco, B Hetényi, D Loss - PRX Quantum, 2021 - APS
The strong spin-orbit coupling in hole spin qubits enables fast and electrically tunable gates,
but at the same time enhances the susceptibility of the qubit to charge noise. Suppressing …

Anisotropic exchange interaction of two hole-spin qubits

S Geyer, B Hetényi, S Bosco, LC Camenzind, RS Eggli… - Nature Physics, 2024 - nature.com
Semiconductor spin qubits offer the potential to employ industrial transistor technology to
produce large-scale quantum computers. Silicon hole spin qubits benefit from fast all …

Fully tunable longitudinal spin-photon interactions in Si and Ge quantum dots

S Bosco, P Scarlino, J Klinovaja, D Loss - Physical Review Letters, 2022 - APS
Spin qubits in silicon and germanium quantum dots are promising platforms for quantum
computing, but entangling spin qubits over micrometer distances remains a critical …

Fully tunable hyperfine interactions of hole spin qubits in Si and Ge quantum dots

S Bosco, D Loss - Physical Review Letters, 2021 - APS
Hole spin qubits are frontrunner platforms for scalable quantum computers, but state-of-the-
art devices suffer from noise originating from the hyperfine interactions with nuclear defects …

Squeezed hole spin qubits in Ge quantum dots with ultrafast gates at low power

S Bosco, M Benito, C Adelsberger, D Loss - Physical Review B, 2021 - APS
Hole spin qubits in planar Ge heterostructures are one of the frontrunner platforms for
scalable quantum computers. In these systems, the spin-orbit interactions permit efficient all …

Topological quantum critical points in the extended Bose-Hubbard model

J Fraxanet, D González-Cuadra, T Pfau… - Physical Review Letters, 2022 - APS
The combination of topology and quantum criticality can give rise to an exotic mix of
counterintuitive effects. Here, we show that unexpected topological properties take place in …

Hole-spin qubits in Ge nanowire quantum dots: Interplay of orbital magnetic field, strain, and growth direction

C Adelsberger, M Benito, S Bosco, J Klinovaja, D Loss - Physical Review B, 2022 - APS
Hole-spin qubits in quasi-one-dimensional structures are a promising platform for quantum
information processing because of the strong spin-orbit interaction (SOI). We present …

Simple framework for systematic high-fidelity gate operations

M Rimbach-Russ, SGJ Philips, X Xue… - Quantum Science …, 2023 - iopscience.iop.org
Semiconductor spin qubits demonstrated single-qubit gates with fidelities up to $99.9\% $
benchmarked in the single-qubit subspace. However, tomographic characterizations reveal …

Two-qubit logic with anisotropic exchange in a fin field-effect transistor

S Geyer, B Hetényi, S Bosco, LC Camenzind… - arxiv preprint arxiv …, 2022 - arxiv.org
Semiconductor spin qubits offer a unique opportunity for scalable quantum computation by
leveraging classical transistor technology. Hole spin qubits benefit from fast all-electrical …