Meetings & Workshops
Magnet Test Database Workshop (May 7, 2018)
2nd International Magnet Test Stand Workshop (May 8-9, 2018)
Proceedings of the 1968 Summer Study on Superconducting Devices and Accelerators
Talks
-
JUN
25
Thursday
Quantum Thursdays Lecture Series
"Dynamical Error Reshaping for Dual-Rail Erasure Qubits"
Presented by Ed Barnes, Virginia Tech
12 pm, Videoconference / Virtual Event
Thursday, June 25, 2026, 12:00 pm
Hosted by: Kai-Mei Fu - C2QA Deputy Director, University of Washington
Erasure qubits—-qubits designed to have an error profile that is dominated by detectable leakage errors—-are a promising way to cut down the resources needed for quantum error correction. There have been several recent experiments demonstrating erasure qubits in superconducting quantum processors, most notably the dual-rail qubit defined by the one-photon subspace of two coupled cavities. An outstanding challenge is that the ancillary transmons needed to facilitate erasure checks and two-qubit gates introduce a substantial amount of noise, limiting the benefits of working with erasure-biased qubits. I will show how to suppress the adverse effects of transmon-induced noise while performing erasure checks or two-qubit gates. I will present control schemes for these operations that suppress erasure check errors by two orders of magnitude and reduce the logical two-qubit gate infidelities by up to three orders of magnitude. Starts at 12:00 p.m. ET/9:00 a.m. PT.
