A quantitative assessment of the progress of small prototype quantum processors towards
fault-tolerant quantum computation is a problem of current interest in experimental and …

Effectively manipulating quantum computing (QC) hardware in the presence of imperfect
devices and control systems is a central challenge in realizing useful quantum computers …

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

To implement useful quantum algorithms which demonstrate quantum advantage, we must
scale currently demonstrated quantum computers up significantly. Leading platforms such …

Experimentalists seeking to improve the coherent lifetimes of quantum bits have generally
focused on mitigating decoherence mechanisms through, for example, improvements to …

Essential to the functionality of qubit-based sensors are control protocols, which shape their
response in frequency space. However, in common control routines out-of-band spectral …

Microwave-driven logic is a promising alternative to laser control in scaling trapped-ion
based quantum processors. We implement Mølmer-Sørensen two-qubit gates on 43 Ca+ …

The fidelity of entangling operations is a key figure of merit in quantum information
processing, especially in the context of quantum error correction. High-fidelity entangling …

Technical noise present in laser systems can limit their ability to perform high fidelity
quantum control of atomic qubits. The ultimate fidelity floor for atomic qubits driven with laser …

A major obstacle in the way of practical quantum computing is achieving scalable and robust
high-fidelity entangling gates. To this end, quantum control has become an essential tool, as …