Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session M47: Superconducting Qubits: Metal Films I
8:00 AM–11:00 AM,
Wednesday, March 6, 2024
Room: 200CD
Sponsoring
Units:
DQI DCMP DMP
Chair: Anthony McFadden, University of California, Santa Barbara
Abstract: M47.00006 : Exploring the effect of growth and surface quality of niobium thin-films for superconducting devices*
9:00 AM–9:12 AM
Presenter:
Chi Zhang
(University of Waterloo)
Authors:
Chi Zhang
(University of Waterloo)
Richard Germond
(University of Waterloo)
Noah Janzen
(University of Waterloo)
Mustafa Bal
(Fermilab)
Anne-Marie Valente-Feliciano
(Jefferson Lab/Jefferson Science Associat)
Adrian Lupascu
(University of Waterloo)
In this talk we will present the design of several types of test structures, including lumped and distributed resonators and transmon qubits, used to probe various contributions to loss, including surface and interface loss and quasiparticle losses. We will present our preliminary results on the fabrication and characterization of these devices.
*This material is based upon work supported by the U.S. Department of Energy, Office of Science, National Quantum Information Science Research Centers, Superconducting Quantum Materials and Systems Center (SQMS) under contract number DE-AC02-07CH11359, and the U.S. Department of Energy, Office of Science, Office of Nuclear Physics under contract DE-AC05-06OR23177.
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