A four-qubit germanium quantum processor
The prospect of building quantum circuits 1, 2 using advanced semiconductor manufacturing
makes quantum dots an attractive platform for quantum information processing 3, 4 …
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
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 …
but at the same time enhances the susceptibility of the qubit to charge noise. Suppressing …
Anisotropic exchange interaction of two hole-spin qubits
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 …
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
Spin qubits in silicon and germanium quantum dots are promising platforms for quantum
computing, but entangling spin qubits over micrometer distances remains a critical …
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
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 …
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
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 …
scalable quantum computers. In these systems, the spin-orbit interactions permit efficient all …
Topological quantum critical points in the extended Bose-Hubbard model
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 …
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
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 …
information processing because of the strong spin-orbit interaction (SOI). We present …
Simple framework for systematic high-fidelity gate operations
Semiconductor spin qubits demonstrated single-qubit gates with fidelities up to $99.9\% $
benchmarked in the single-qubit subspace. However, tomographic characterizations reveal …
benchmarked in the single-qubit subspace. However, tomographic characterizations reveal …
Two-qubit logic with anisotropic exchange in a fin field-effect transistor
Semiconductor spin qubits offer a unique opportunity for scalable quantum computation by
leveraging classical transistor technology. Hole spin qubits benefit from fast all-electrical …
leveraging classical transistor technology. Hole spin qubits benefit from fast all-electrical …