The performance of superconducting quantum circuits for quantum computing has advanced
tremendously in recent decades; however, a comprehensive understanding of relaxation …

Storing quantum information for an extended period of time is essential for running quantum
algorithms with low errors. Currently, superconducting quantum memories have coherence …

The requirements for fault-tolerant quantum error correction can be simplified by leveraging
structure in the noise of the underlying hardware. In this work, we identify a new type of …

Quantum error correction with erasure qubits promises significant advantages over standard
error correction due to favorable thresholds for erasure errors. To realize this advantage in …

With its rich dynamics, the quantum harmonic oscillator is an innate platform for
understanding real-world quantum systems and could even excel as the heart of a quantum …

Decoherence in qubits, caused by their interaction with a noisy environment, poses a
significant challenge to the development of reliable quantum processors. A prominent …

Fault-tolerant quantum computation with bosonic qubits often necessitates the use of noisy
discrete-variable ancillae. In this work, we establish a comprehensive and practical fault …

Qubits with predominantly erasure errors present distinctive advantages for quantum error
correction (QEC) and fault-tolerant quantum computing. Logical qubits based on dual-rail …

The Quantum Instrumentation Control Kit (QICK) is a standalone open-source qubit
controller that was first introduced in 2022. In this follow-up work, we present recent …

We present a general condition to obtain subspaces that decay uniformly in a system
governed by the Lindblad master equation and use them to perform error-mitigated quantum …