Quantum error correction provides a path to reach practical quantum computing by
combining multiple physical qubits into a logical qubit, where the logical error rate is …

Building a large-scale quantum computer requires effective strategies to correct errors that
inevitably arise in physical quantum systems. Quantum error-correction codes present a way …

Superconducting qubits typically use a dispersive readout scheme, where a resonator is
coupled to a qubit such that its frequency is qubit-state dependent. Measurement is …

A foundational assumption of quantum error correction theory is that quantum gates can be
scaled to large processors without exceeding the error-threshold for fault tolerance. Two …

Engineered dissipative reservoirs have the potential to steer many-body quantum systems
toward correlated steady states useful for quantum simulation of high-temperature …

Superconducting qubits are a promising platform for building fault-tolerant quantum
computers, with recent achievement showing the suppression of logical error with increasing …

Gate-based quantum computers typically encode and process information in two-
dimensional units called qubits. Using d-dimensional qudits instead may offer intrinsic …

Minimizing leakage from computational states is a challenge when using many-level
systems like superconducting quantum circuits as qubits. We realize and extend the …

Quantum control of a linear oscillator using a static dispersive coupling to a nonlinear ancilla
underpins a wide variety of experiments in circuit QED. Extending this control to more than …

Quantum computing is an exciting field that uses quantum principles, such as quantum
superposition and entanglement, to tackle complex computational problems …