Bulletin of the American Physical Society
APS March Meeting 2024
Monday–Friday, March 4–8, 2024; Minneapolis & Virtual
Session S03: Characterizing Sources of Decoherence in Superconducting Qubits
8:00 AM–11:00 AM,
Thursday, March 7, 2024
Room: L100C
Sponsoring
Unit:
DMP
Chair: Akshay Murthy, Fermi National Accelerator Laboratory
Abstract: S03.00007 : Superconducting 3D platform for characterization of dielectric materials for quantum computing applications*
9:36 AM–9:48 AM
Presenter:
Ivan Nekrashevich
(Fermi National Accelerator Laboratory)
Authors:
Ivan Nekrashevich
(Fermi National Accelerator Laboratory)
Geev Nahal
(Fermi National Accelerator Laboratory)
Daniil Frolov
(IBM Thomas J. Watson Research Center)
Crispin Contreras-Martinez
(Fermi National Accelerator Laboratory)
Yuriy Pischalnikov
(Fermi National Accelerator Laboratory)
Sergey Kazakov
(Fermi National Accelerator Laboratory)
Vyacheslav P Yakovlev
(Fermilab)
Anna Grassellino
(Fermilab)
We demonstrate and discuss the experimental testbed that allows characterization of various dielectric materials in sub-1K temperatures and wide frequency range from 5 - 7 GHz. Our measurements of the loss tangent as a function of frequency, temperature, and probing power help to identify the dominant loss mechanisms and select optimal materials and fabrication procedures for the next generation of QC 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.
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