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: S47.00008 : Characterizing the coherence in the dual-rail subspace of two superconducting cavities: (Part 1)
9:48 AM–10:00 AM
Presenter:
John W Garmon
(Yale University)
Authors:
John W Garmon
(Yale University)
Patrick Winkel
(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 examine an implementation of a cavity dual-rail qubit and provide an overview of auxiliary sources of dephasing, as well as methods by which we can suppress these channels. We then implement these techniques to peel back the curtain of photon loss and extrinsic dephasing, revealing improved measurements for coherence in the dual-rail subspace.
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