Localization and Mitigation of Loss in Niobium Superconducting Circuits

Localization and Mitigation of Loss in Niobium Superconducting Circuits

Materials imperfections in planar superconducting quantum circuits - in particular, two-level-system (TLS) defects - contribute significantly to decoherence, ultimately limiting the performance of quantum computation and sensing. The identification of specific parasitic layers and their associated l...

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Bibliographic Details
Main Authors: Alghadeer, M. (Author), Aloni, S. (Author), Altoé, M.V.P (Author), Banerjee, A. (Author), Berk, C. (Author), Cabrini, S. (Author), Elowson, M.J (Author), Griffin, S.M (Author), Hajr, A. (Author), Kreikebaum, J.M (Author), Minor, A.M (Author), Ogletree, D.F (Author), Rao, S. (Author), Santiago, D.I (Author), Schwartzberg, A. (Author), Siddiqi, I. (Author), Song, C. (Author), Weber-Bargioni, A. (Author), Wong, E.K (Author)
Format: Article
Language:English
Published: American Physical Society 2022
Subjects:
Chemical analysis
Coplanar waveguides
Decoherence
Density ratio
Etching
High resolution transmission electron microscopy
Localisation
Material imperfections
Particle beams
Quantum computers
Scanning electron microscopy
Seebeck effect
Silicon compounds
Superconducting circuit
Superconducting quantum circuit
Surface oxide
System defects
System loss
Timing circuits
Two-level system
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