Improving the speed and fidelity of quantum logic gates is essential to reach quantum
advantage with future quantum computers. However, fast logic gates lead to increased …

Striving for higher gate fidelity is crucial not only for enhancing existing noisy intermediate-
scale quantum devices, but also for unleashing the potential of fault-tolerant quantum …

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 …

Variational quantum eigensolvers (VQEs) are leading candidates to demonstrate near-term
quantum advantage. Here, we conduct density-matrix simulations of leading gate-based …

Andreev (or superconducting) spin qubits (ASQs) have recently emerged as a promising
qubit platform that combines superconducting circuits with semiconductor spin degrees of …

Enhancing the capabilities of superconducting quantum hardware, requires higher gate
fidelities and lower crosstalk, particularly in larger-scale devices, in which qubits are coupled …

The central challenge of quantum computing is implementing high-fidelity quantum gates at
scale. However, many existing approaches to qubit control suffer from a scale-performance …

The surface code is a quantum error-correcting code for one logical qubit, protected by
spatially localized parity checks in two dimensions. Due to fundamental constraints from …

The fluxonium qubit is a promising candidate for quantum computation due to its long
coherence times and large anharmonicity. We present a tunable coupler that realizes strong …

The development of superconducting qubit technology has shown great potential for the
construction of practical quantum computers,. As the complexity of quantum processors …