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Superconducting Qubits: Fabrication and Characterization

ORAL · F36 · ID: 47218

Presentations

  • Niobium Hydride Formation in Superconducting Thin Films during Wet Chemical Processing

    ORAL

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    Presenters

    • Dominic P Goronzy

      Northwestern University, Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States

    Authors

    • Dominic P Goronzy

      Northwestern University, Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States

    • Carlos G Torres Castanedo

      Northwestern University, Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States

    • Cameron Kopas

      Rigetti Computing

    • Jayss Marshall

      Rigetti Computing, Rigetti Quantum Computing

    • Matthew J Reagor

      Rigetti Computing, Rigetti Quantum Computing

    • Michael J Bedzyk

      Northwestern University, Department of Physics and Astronomy, Department of Materials Science and Engineering, Northwestern University

    • Mark C Hersam

      Northwestern University, Materials Science and Engineering, Northwestern University, Evanston, IL 60208

    View abstract →

  • Surfaces, Interfaces, and Impurity Elements in Niobium-based Materials for Superconducting Quantum Computing Analyzed by Atom-Probe Tomography

    ORAL

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    Presenters

    • Dieter Isheim

      Northwestern University

    Authors

    • Dieter Isheim

      Northwestern University

    • Dominic P Goronzy

      Northwestern University, Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States

    • Carlos G Torres Castanedo

      Northwestern University, Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States

    • Michael J Bedzyk

      Northwestern University, Department of Physics and Astronomy, Department of Materials Science and Engineering, Northwestern University

    • Mark C Hersam

      Northwestern University, Materials Science and Engineering, Northwestern University, Evanston, IL 60208

    • James A Sauls

      Northwestern University

    • Jayss Marshall

      Rigetti Computing, Rigetti Quantum Computing

    • Cameron Kopas

      Rigetti Computing

    • Mark Field

      Rigetti Computing

    • Gregory Stiehl

      Rigetti Computing

    • Hilal Cansizoglu

      Rigetti Computing

    • Josh Mutus

      Rigetti Computing

    • Matthew J Reagor

      Rigetti Computing, Rigetti Quantum Computing

    • Michael Harburn

      Rigetti Computing

    • Alexander Romanenko

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab

    • Anna Grassellino

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab

    • David N Seidman

      Northwestern University

    View abstract →

  • Hydride precipitates in Nb thin film superconducting qubits

    ORAL

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    Presenters

    • Jaeyel Lee

      Superconducting Quantum Materials and Systems Center (SQMS), Fermilab, Fermilab

    Authors

    • Jaeyel Lee

      Superconducting Quantum Materials and Systems Center (SQMS), Fermilab, Fermilab

    • ZuHawn Sung

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab

    • Akshay A Murthy

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab

    • Matthew J Reagor

      Rigetti Quantum Computing

    • Anna Grassellino

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab

    • Alexander Romanenko

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab

    View abstract →

  • Bulk Loss Measurements of III-V Semiconductor Materials in a Microwave Cavity at Single Photon Powers and Millikelvin Temperatures

    ORAL

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    Presenters

    • Nicholas Materise

      Colorado School of Mines

    Authors

    • Nicholas Materise

      Colorado School of Mines

    • Eliot Kapit

      Cornell University

    • David Pappas

      National Institute of Standards and Technology Boulder, Rigetti Computing

    • Anthony McFadden

      University of California, Santa Barbara

    • Haozhi Wang

      University of Colorado, Boulder, University of Maryland, College Park, Laboratory for Physical Sciences, College Park, MD 20740, USA

    • William M Strickland

      New York University (NYU)

    • Javad Shabani

      New York University (NYU)

    • Joseph Yuan

      Center for Quantum Phenomena, Department of Physics, New York University, New York Univ NYU, New York University (NYU)

    • SHENG-XIANG LIN

      University of Colorado, Boulder

    • Corey Rae H McRae

      University of Colorado, Boulder

    • John Pitten

      University of Colorado, Boulder, University of Colorado Boulder

    View abstract →

  • Identifying Sources of Decoherence at Defects and Interfaces in Superconducting Qubit Systems

    ORAL

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    Publication: https://arxiv.org/abs/2108.13539

    Presenters

    • Akshay A Murthy

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab

    Authors

    • Akshay A Murthy

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab

    • Paul M Das

      Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States, Northwestern University

    • Cameron J Kopas

      Rigetti Quantum Computing, Rigetti Computing

    • Stephanie M Ribet

      Department of Materials Science and Engineering, Northwestern University; International Institute of Nanotechnology, Northwestern University, Northwestern University

    • Matthew J Reagor

      Rigetti Quantum Computing

    • Vinayak P Dravid

      Northwestern University, Department of Materials Science and Engineering, Northwestern University; International Institute of Nanotechnology, Northwestern University; NUANCE Center, Northwestern U.

    • Roberto dos Reis

      Department of Materials Science and Engineering, Northwestern University; NUANCE Center, Northwestern University, Northwestern University

    • Mattia Checchin

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab

    • Alexander Romanenko

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab

    • Anna Grassellino

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab

    View abstract →

  • Understanding and mitigating losses in superconducting radio frequency (SRF) cavities using two-tone spectroscopy

    ORAL

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    Presenters

    • Ivan Nekrashevich

      Los Alamos National Laboratory, Los Alamos National Laboratory, Department of Integrated Bio & Nano Systems, University of Houston, Superconducting Quantum Materials and Systems, Fermi National Accelerator Laboratory

    Authors

    • Ivan Nekrashevich

      Los Alamos National Laboratory, Los Alamos National Laboratory, Department of Integrated Bio & Nano Systems, University of Houston, Superconducting Quantum Materials and Systems, Fermi National Accelerator Laboratory

    • Daniil Frolov

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab, Superconducting Quantum Materials and Systems, Fermi National Accelerator Laboratory

    • Roman Pilipenko

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab, FNAL, Superconducting Quantum Materials and Systems, Fermi National Accelerator Laboratory

    • Bianca Giaccone

      Fermi National Accelerator Laboratory, Fermilab

    • Alexandr Netepenko

      Fermi National Accelerator Laboratory, Fermilab

    • Mattia Checchin

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab

    • Sam Posen

      Fermilab, Fermi National Accelerator Laboratory

    • Alexander Romanenko

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab

    • Anna Grassellino

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab

    View abstract →

  • Optimization of Nb Superconducting Films for Quantum Devices by H-T Phase Boundary Analysis

    ORAL

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    Presenters

    • Kevin M Ryan

      Northwestern University

    Authors

    • Kevin M Ryan

      Northwestern University

    • Patrick W Krantz

      Northwestern University

    • Carlos G Torres Castanedo

      Northwestern University, Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States

    • Paul M Das

      Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States, Northwestern University

    • KVLV Narayanachari

      Northwestern University

    • Dominic P Goronzy

      Northwestern University, Department of Materials Science and Engineering, Northwestern University, Evanston, Illinois 60208, United States

    • Michael J Bedzyk

      Northwestern University, Department of Physics and Astronomy, Department of Materials Science and Engineering, Northwestern University

    • Vinayak P Dravid

      Northwestern University, Department of Materials Science and Engineering, Northwestern University; International Institute of Nanotechnology, Northwestern University; NUANCE Center, Northwestern U.

    • Mark C Hersam

      Northwestern University, Materials Science and Engineering, Northwestern University, Evanston, IL 60208

    • Antony McFadden

      National Institute of Standards and Technology

    • Corey Rae McRae

      National Institute of Standards and Technology

    • Mark Field

      Rigetti Quantum Computing, Rigetti Computing

    • Cameron J Kopas

      Rigetti Quantum Computing, Rigetti Computing

    • Jayss Marshall

      Rigetti Computing, Rigetti Quantum Computing

    • Matthew J Reagor

      Rigetti Quantum Computing

    • Venkat Chandrasekhar

      Northwestern University

    View abstract →

  • Round Robin: multi-institution characterization of superconducting qubits

    ORAL

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    Presenters

    • Josh Y Mutus

      Rigetti Computing Inc

    Authors

    • Josh Y Mutus

      Rigetti Computing Inc

    • Corey Rae H McRae

      University of Colorado, Boulder

    • David Pappas

      National Institute of Standards and Technology Boulder, Rigetti Computing

    • Roman Pilipenko

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab, FNAL, Superconducting Quantum Materials and Systems, Fermi National Accelerator Laboratory

    • Daniil Frolov

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab, Superconducting Quantum Materials and Systems, Fermi National Accelerator Laboratory

    • Matthew J Reagor

      Rigetti Computing, Rigetti Quantum Computing

    • Anna Grassellino

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab

    • Alexander Romanenko

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab

    View abstract →

  • Scanning Tunneling and Electron Spectroscopies of Nb Surface Oxides for Qubits and SRF Cavities

    ORAL

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    Presenters

    • John F Zasadzinski

      Illinois Institute of Technology, Illinois Institute of Technology, Chicago, IL USA

    Authors

    • John F Zasadzinski

      Illinois Institute of Technology, Illinois Institute of Technology, Chicago, IL USA

    • Jasmine Panthee

      Illinois Institute of Technology, Chicago IL, USA

    • Thomas Proslier

      CEA, Saclay, France

    • Lin Zhou

      Ames Laboratory, Ames Lab, Ames Laboratory, Ames, IA , USA

    • Xiaotian Fang

      Ames Lab, Ames Laboratory, Ames, IA, USA, Ames Laboratory

    View abstract →

  • Atomic-scale Investigation of the Nb/air Interface for Niobium Radio Frequency Cavity

    ORAL

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    Presenters

    • Xiaotian Fang

      Ames Lab, Ames Laboratory, Ames, IA, USA, Ames Laboratory

    Authors

    • Xiaotian Fang

      Ames Lab, Ames Laboratory, Ames, IA, USA, Ames Laboratory

    • Matthew J Kramer

      Ames Laboratory, Ames Lab

    • Alexander Romanenko

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab

    • Anna Grassellino

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab

    • Lin Zhou

      Ames Laboratory, Ames Lab, Ames Laboratory, Ames, IA , USA

    View abstract →

  • Investigation of the π-junction characteristics in Nb/Fe<sub>3</sub>O<sub>4</sub>/Nb Josephson junctions

    ORAL

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    Presenters

    • Yilmaz Simsek

      Sabanci University Nanotechnology Reseach and Application Center, Tuzla, Istanbul 34956, Turkey

    Authors

    • Derya Farisogullari

      Sabanci University Nanotechnology Reseach and Application Center, Tuzla, Istanbul 34956, Turkey

    • Yasin Ozturk

      Sabanci University Nanotechnology Reseach and Application Center, Tuzla, Istanbul 34956, Turkey

    • Tuna Alp

      Sabanci University Nanotechnology Reseach and Application Center, Tuzla, Istanbul 34956, Turkey

    • Ege Aygit

      Sabanci University Nanotechnology Reseach and Application Center, Tuzla, Istanbul 34956, Turkey

    • Ara Rahimpour

      Sabanci University Nanotechnology Reseach and Application Center, Tuzla, Istanbul 34956, Turkey

    • Ozhan Ozatay

      Department of Physics, Bogazici University, 34342 Bebek/Istanbul, Turkey

    • Yilmaz Simsek

      Sabanci University Nanotechnology Reseach and Application Center, Tuzla, Istanbul 34956, Turkey

    View abstract →

  • Exploring high-coherence overlap junction qubits fabricated with a subtractive etch process

    ORAL

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    Presenters

    • Jeroen Verjauw

      Katholieke Universiteit Leuven, Imec, Katholieke Univ Leuven, IMEC, IMEC

    Authors

    • Jeroen Verjauw

      Katholieke Universiteit Leuven, Imec, Katholieke Univ Leuven, IMEC, IMEC

    • Rohith Acharya

      Katholieke Universiteit Leuven, Imec, Katholieke Univ Leuven, IMEC, IMEC

    • Tsvetan Ivanov

      Imec, IMEC

    • Daniel Perez Lozano

      Chalmers University of Technology, IMEC, Imec

    • Fahd A. Mohiyaddin

      imec, IMEC, Imec

    • Danny Wan

      Imec, IMEC

    • A. M. Vadiraj

      Imec, IMEC

    • Jacques Van Dame

      Imec

    • Julien Jussot

      imec, IMEC, Imec

    • Yann Canvel

      imec, IMEC, Imec

    • Xiaoyu Piao

      Imec

    • Marc Heyns

      KU Leuven, imec, Katholieke Universiteit Leuven, Imec

    • Massimo Mongillo

      IMEC, Imec

    • Anton Potočnik

      Imec

    • Iuliana P Radu

      Imec, IMEC

    • Bogdan Govoreanu

      imec, IMEC, Imec

    View abstract →

  • Improving the frequency reproducibility of transmon qubits to lower the crosstalk in quantum processors

    ORAL

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    Publication: A. Osman, J. Simon, A. Bengtsson, S. Kosen, P. Krantz, D. P. Lozano, M. Scigliuzzo, P. Delsing, Jonas Bylander, and A. Fadavi Roudsari , "Simplified Josephson junction fabrication process for reproducibly high-performance superconducting qubits", Appl. Phys. Lett. 118, 064002 (2021) https://doi.org/10.1063/5.0037093

    Presenters

    • Amr Osman

      Chalmers Univ of Tech, Chalmers University of Technology

    Authors

    • Amr Osman

      Chalmers Univ of Tech, Chalmers University of Technology

    • Jorge Fernández-Pendás

      Chalmers Univ of Tech, Chalmers University of Technology

    • Sandoko Kosen

      Chalmers Univ of Tech, Chalmers University of Technology

    • Marcus Rommel

      Chalmers University of Technology, Chalmers Univ of Tech

    • Giovanna Tancredi

      Chalmers Univ of Tech, Chalmers University of Technology

    • Anton Frisk Kockum

      Chalmers University of Technology, Chalmers Univ of Tech

    • Jonas Bylander

      Chalmers Univ of Tech, Chalmers University of Technology

    • Anita F Fadavi Roudsari

      Chalmers University of Technology, Chalmers Univ of Tech

    View abstract →

  • Probing the Role of Low Temperature Vacuum Baking on Photon Lifetimes in Superconducting Niobium 3-D Resonators

    ORAL

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    Publication: D. Bafia, A. Grassellino, and A. Romanenko, arXiv:2108.13352v1

    Presenters

    • Daniel Bafia

      Superconducting Quantum Materials and Systems Center (SQMS), Fermilab, Fermi National Accelerator Laboratory

    Authors

    • Daniel Bafia

      Superconducting Quantum Materials and Systems Center (SQMS), Fermilab, Fermi National Accelerator Laboratory

    • Anna Grassellino

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab

    • Alexander Romanenko

      Fermilab, Superconducting Quantum Materials and Systems Center (SQMS), Fermilab

    View abstract →