Qubits that can be efficiently controlled are essential for the development of scalable
quantum hardware. Although resonant control is used to execute high-fidelity quantum …

Quantum links can interconnect qubit registers and are therefore essential in networked
quantum computing. Semiconductor quantum dot qubits have seen significant progress in …

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 …

The coherent control of interacting spins in semiconductor quantum dots is of strong interest
for quantum information processing and for studying quantum magnetism from the bottom …

Spin qubits defined by valence band hole states are attractive for quantum information
processing due to their inherent coupling to electric fields, enabling fast and scalable qubit …

Quantum processors require a signal-delivery architecture with high addressability (low
crosstalk) to ensure high performance already at the scale of dozens of qubits. Signal …

Coherent links between qubits separated by tens of micrometers are expected to facilitate
scalable quantum computing architectures for spin qubits in electrically defined quantum …

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 …

Qubit decoherence unavoidably degrades the fidelity of quantum logic gates. Accordingly,
realizing gates that are as fast as possible is a guiding principle for qubit control …

The prevalence of quantum crosstalk in current quantum devices poses challenges for
achieving high-fidelity quantum logic operations and reliable quantum processing. Through …