Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session S47: Superconducting Bosonic Qubits
8:00 AM–11:00 AM,
Thursday, March 7, 2024
Room: 200CD
Sponsoring
Unit:
DQI
Chair: Benjamin D'Anjou, Univ Ulm
Abstract: S47.00009 : Characterizing the coherence in the dual-rail subspace of two superconducting cavities (Part 2)
10:00 AM–10:12 AM
Presenter:
Patrick Winkel
(Yale University)
Authors:
Patrick Winkel
(Yale University)
John W Garmon
(Yale University)
Yao Lu
(Yale University Applied Physics Department)
Aniket Maiti
(Yale University)
James D Teoh
(Yale University / QCI)
Stijn J de Graaf
(Yale University)
Sophia H Xue
(Yale University)
Luigi Frunzio
(Yale University)
Robert J Schoelkopf
(Yale University)
In this talk, we present the mechanisms of decoherence in the dual-rail subspace intrinsic to the cavities, and how errors in the auxiliary systems can propagate into the logical subspace. Thanks to the high level of control over the system, we can check for errors in the individual hardware components and mitigate error propagation. We compare the prediction of our error model to measurements performed on a single dual-rail cavity qubit.
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