Superconducting Qubits: Surfaces, treatments, and two-level systems

Presentations

• TLS loss in room-temperature-nucleated alpha-Ta resonators

  ORAL

  March 9, 2023, 11:00 AM – March 9, 2023, 11:12 AM

  Presenters

  • Loren D Alegria

    Lawrence Livermore Natl Lab

  Authors

  • Loren D Alegria

    Lawrence Livermore Natl Lab

  View abstract →

• Microscopic loss sources in alpha-tantalum superconducting resonators grown on silicon

  ORAL

  March 9, 2023, 11:12 AM – March 9, 2023, 11:24 AM

  Presenters

  • Daniel Perez

    IMEC

  Authors

  • Daniel Perez

    IMEC

  • Massimo Mongillo

    IMEC, imec

  • Xiaoyu Piao

    IMEC

  • Sebastien Couet

    IMEC

  • Danny Wan

    IMEC, imec

  • Yann Canvel

    imec, IMEC

  • A. M. Vadiraj

    IMEC, imec

  • Tsvetan Ivanov

    IMEC, imec

  • Jeroen Verjauw

    IMEC

  • Rohith Acharya

    Katholieke Univ Leuven

  • Jacques Van Damme

    KU Leuven

  • Fahd A Mohiyaddin

    IMEC

  • Pallavi Gowda

    IMEC

  • Antoine Pacco

    IMEC

  • Bart Raes

    KU Leuven

  • Julien Jussot

    imec, IMEC

  • Joris Van de Vondel

    KU Leuven

  • Anton Potocnik

    IMEC

  • Iuliana P Radu

    IMEC

  • Bogdan Govoreanu

    imec, IMEC

  • Kristiaan De Greve

    IMEC, imec, IMEC / KU Leuven

  • Johan Swerts

    IMEC

  View abstract →

• Nb encapsulation studies for improved superconducting qubit coherence

  ORAL

  March 9, 2023, 11:24 AM – March 9, 2023, 11:36 AM

  Presenters

  • Mustafa Bal

    Fermilab

  Authors

  • Mustafa Bal

    Fermilab

  • Francesco Crisa

    Fermilab

  • Shaojiang Zhu

    Fermilab

  • Akshay A Murthy

    Fermilab, Fermi National Accelerator Laboratory

  • ZuHawn Sung

    Fermilab

  • Jaeyel Lee

    Fermilab

  • Daniel Bafia

    Fermilab, Fermi National Accelerator Laboratory

  • David van Zanten

    Fermilab, FermiLab, SQMS - Fermilab

  • Ivan Nekrashevich

    Fermi National Accelerator Laboratory, Fermilab, Fermi National Accelerator Laboratory, Batavia, IL 60510, USA

  • Tanay Roy

    University of Chicago, Fermilab

  • Grigory Eremeev

    Fermilab

  • Roman Pilipenko

    National Accelerator Laboratory, Fermilab, Fermi National Accelerator Laboratory

  • Florent Q Lecocq

    National Institute of Standards and Technology, Boulder, National Institute of Standards and Technology, National Institute of Science and Technology

  • Michael R Vissers

    NIST Boulder, National Institute of Standards and Technology, Boulder, NIST, National Institute of Standards and Technology, National Institute of Standards and Technology Boulder

  • Jose Aumentado

    National Institute of Standards and Technology Boulder, National Institute of Standards and Technology

  • Joel N Ullom

    National Institute of Standards and Technology Boulder, National Institute of Standards and Technology

  • Peter Hopkins

    National Institute of Standards and Technology Boulder, National Institute of Standards and Technology, National Institute of Science and Technology

  • Alexander Romanenko

    Fermilab

  • Anna Grassellino

    Fermilab

  View abstract →

• Nb surface encapsulation to improve resonators quality factor

  ORAL

  March 9, 2023, 11:36 AM – March 9, 2023, 11:48 AM

  Presenters

  • Francesco Crisa

    Illinois Institute of Technology

  Authors

  • Francesco Crisa

    Illinois Institute of Technology

  • Mustafa Bal

    Fermilab

  • Shaojiang Zhu

    Fermilab

  • Akshay A Murthy

    Fermilab, Fermi National Accelerator Laboratory

  • ZuHawn Sung

    Fermilab

  • Jaeyel Lee

    Fermilab

  • Daniel Bafia

    Fermilab, Fermi National Accelerator Laboratory

  • David van Zanten

    Fermilab, FermiLab, SQMS - Fermilab

  • Grigory Eremeev

    Fermilab

  • Ivan Nekrashevich

    Fermi National Accelerator Laboratory, Fermilab, Fermi National Accelerator Laboratory, Batavia, IL 60510, USA

  • Roman Pilipenko

    National Accelerator Laboratory, Fermilab, Fermi National Accelerator Laboratory

  • Anna Grassellino

    Fermilab

  • Alexander Romanenko

    Fermilab

  • Florent Q Lecocq

    National Institute of Standards and Technology, Boulder, National Institute of Standards and Technology, National Institute of Science and Technology

  • Michael R Vissers

    NIST Boulder, National Institute of Standards and Technology, Boulder, NIST, National Institute of Standards and Technology, National Institute of Standards and Technology Boulder

  • Joel N Ullom

    National Institute of Standards and Technology Boulder, National Institute of Standards and Technology

  • José Aumentado

    National Institute of Standards and Technology Boulder

  • Peter Hopkins

    National Institute of Standards and Technology Boulder, National Institute of Standards and Technology, National Institute of Science and Technology

  • Anthony Q McFadden

    University of California, Santa Barbara, NIST, National Institute of Standards and Tech, National Institute of Standards and Technology

  • Corey Rae McRae

    NIST

  • David Olaya

    NIST, National Institute of Science and Technology, National Institute of Standards and Technology Boulder and University of Colorado-Boulder, National Institute of Standards and Technology Boulder, National Institute of Standards and Technology

  View abstract →

• Elemental Semiconductor Encapsulation of Niobium Thin Films for Superconducting Qubits

  ORAL

  March 9, 2023, 11:48 AM – March 9, 2023, 12:00 PM

  Presenters

  • Dominic P Goronzy

    Northwestern University

  Authors

  • Dominic P Goronzy

    Northwestern University

  • Carlos G G Torres Castanedo

    Northwestern University

  • Anthony Q McFadden

    University of California, Santa Barbara, NIST, National Institute of Standards and Tech, National Institute of Standards and Technology

  • Corey Rae H McRae

    University of Colorado Boulder, University of Colorado, Boulder

  • Thang Pham

    Northwestern University

  • David Garcia-Wetten

    Northwestern University

  • Mitchell J Walker

    Northwestern University

  • Nikolay Zhelev

    Northwestern University

  • Hong Youl Park

    Northwestern University

  • Vinayak P Dravid

    Northwestern University

  • Michael J Bedzyk

    Northwestern University

  • Mark C Hersam

    Northwestern University

  View abstract →

• Improvement of the superconducting qubit lifetime with the surface passivation technology

  ORAL

  March 9, 2023, 12:00 PM – March 9, 2023, 12:12 PM

  Presenters

  • Shaojiang Zhu

    Fermilab

  Authors

  • Shaojiang Zhu

    Fermilab

  • Mustafa Bal

    Fermilab

  • Francesco Crisa

    Fermilab

  • Akshay A Murthy

    Fermilab, Fermi National Accelerator Laboratory

  • ZuHawn Sung

    Fermilab

  • Jaeyel Lee

    Fermilab

  • Daniel Bafia

    Fermilab, Fermi National Accelerator Laboratory

  • David van Zanten

    Fermilab, FermiLab, SQMS - Fermilab

  • Grigory Eremeev

    Fermilab

  • Ivan Nekrashevich

    Fermi National Accelerator Laboratory, Fermilab, Fermi National Accelerator Laboratory, Batavia, IL 60510, USA

  • Roman Pilipenko

    National Accelerator Laboratory, Fermilab, Fermi National Accelerator Laboratory

  • Anna Grassellino

    Fermilab

  • Alexander Romanenko

    Fermilab

  • Florent Q Lecocq

    National Institute of Standards and Technology, Boulder, National Institute of Standards and Technology, National Institute of Science and Technology

  • Michael R Vissers

    NIST Boulder, National Institute of Standards and Technology, Boulder, NIST, National Institute of Standards and Technology, National Institute of Standards and Technology Boulder

  • Joel N Ullom

    National Institute of Standards and Technology Boulder, National Institute of Standards and Technology

  • Jose Aumentado

    National Institute of Standards and Technology Boulder, National Institute of Standards and Technology

  • Peter Hopkins

    National Institute of Standards and Technology Boulder, National Institute of Standards and Technology, National Institute of Science and Technology

  • Tanay Roy

    University of Chicago, Fermilab

  View abstract →

• Niobium Hydride Evolution and Phase Equilibrium in Niobium Capping Layers

  ORAL

  March 9, 2023, 12:12 PM – March 9, 2023, 12:24 PM

  Presenters

  • Tyler J Leibengood

    Northwestern University

  Authors

  • Tyler J Leibengood

    Northwestern University

  • Graham Pritchard

    Northwestern University

  • Peter W Voorhees

    Northwestern University

  • James M Rondinelli

    Northwestern University

  • P-C A Simon

    Idaho National Laboratory

  View abstract →

• Mitigation of Interface Losses in Transmon Qubits Using Hydrofluoric Etches

  ORAL

  March 9, 2023, 12:24 PM – March 9, 2023, 12:36 PM

  Presenters

  • Michael A Gingras

    MIT Lincoln Lab, MIT Lincoln Laboratory

  Authors

  • Michael A Gingras

    MIT Lincoln Lab, MIT Lincoln Laboratory

  • Kyle Serniak

    MIT Lincoln Laboratory

  • Greg Calusine

    MIT Lincoln Lab

  • David K Kim

    MIT Lincoln Lab, MIT Lincoln Laboratory

  • Alexander Melville

    MIT Lincoln Laboratory

  • Ali Sabbah

    MIT Lincoln Laboratory

  • Kate Azar

    MIT Lincoln Laboratory

  • Wayne Woods

    MIT Lincoln Lab

  • Jeffrey Knecht

    MIT Lincoln Lab, MIT Lincoln Laboratory

  • Bethany M Niedzielski

    MIT Lincoln Lab, MIT Lincoln Laboratory

  • Cyrus F Hirjibehedin

    MIT Lincoln Lab

  • Mollie E Schwartz

    MIT Lincoln Laboratory

  • Jonilyn L Yoder

    MIT Lincoln Lab, MIT Lincoln Laboratory

  • William D Oliver

    Massachusetts Institute of Technology MIT, Massachusetts Institute of Technology (MIT), MIT Lincoln Laboratory, Massachusetts Institute of Technology (MIT), Massachusetts Institute of Technology, Massachusetts Institute of Technology, MIT Lincoln Laboratory

  View abstract →

• The dielectric dipper: experimental comparisons of common dielectric substrates in isolation

  ORAL

  March 9, 2023, 12:36 PM – March 9, 2023, 12:48 PM

  Presenters

  • Alexander P Read

    Yale University

  Authors

  • Alexander P Read

    Yale University

  • Benjamin J Chapman

    Yale University

  • Luigi Frunzio

    Yale University

  • Robert J Schoelkopf

    Yale University

  View abstract →

• Surface processing of niobium cavities for quantum computing

  ORAL

  March 9, 2023, 12:48 PM – March 9, 2023, 1:00 PM

  Presenters

  • Engin Ciftyurek

    weizmann institute of science, Weizmann Institute, Weizmann Institute of Science

  Authors

  • Engin Ciftyurek

    weizmann institute of science, Weizmann Institute, Weizmann Institute of Science

  • Nitzan Kahn

    Israel physics society

  • Ofir Milul

    Weizmann Institute of Science, Israel physics society

  • Fabien Lafont

    Weizmann Institute, weizmann institute of science, Weizmann Institute of Science

  • Zheshen Li

    Department of Physics and Astronomy – Centre or Storage Ring Facilities (ISA), Aarhus University, Aarhus 8000, Denmark

  • Serge Rosenblum

    Weizmann Institute, Weizmann Institute of Science

  View abstract →

• Argon milling induced loss mechanisms in superconducting quantum circuits

  ORAL

  March 9, 2023, 1:00 PM – March 9, 2023, 1:12 PM

  Publication: We are working on a manuscript

  Presenters

  • Jacques Van Damme

    KU Leuven

  Authors

  • Jacques Van Damme

    KU Leuven

  • Anton Potocnik

    IMEC

  • Kristiaan De Greve

    IMEC

  • Tsvetan Ivanov

    IMEC, imec

  • Jeroen Verjauw

    IMEC

  • Rohith Acharya

    Katholieke Univ Leuven

  • Daniel Perez Lozano

    IMEC, imec, Interuniversity Microelectronics Centre

  • A. M. Vadiraj

    IMEC, imec

  • Paola Favia

    IMEC

  • Massimo Mongillo

    IMEC, imec

  • Danny Wan

    IMEC, imec

  • Jo De Boeck

    IMEC

  View abstract →

• Reduction of Coherent Losses using Molecular Self-assembled Monolayers at Interfaces of Superconducting Quantum Circuits

  ORAL

  March 9, 2023, 1:12 PM – March 9, 2023, 1:24 PM

  Presenters

  • Mohammed Alghadeer

    University of California, Berkeley

  Authors

  • Mohammed Alghadeer

    University of California, Berkeley

  • AHMED HAJR

    Lawrence Berkeley National Laboratory, University of California, Berkeley

  • Archan Banerjee

    Lawrence Berkeley National Laboratory

  • Kyunghoon Lee

    Lawrence Berkeley National Laboratory, Bleximo Corp.

  • Hussein Hussein

    King Abdullah University of Science and Technology

  • Hossein Fariborzi

    King Abdullah University of Science and Technology

  • Saleem Rao

    King Fahd University of Petroleum and Minerals

  • Irfan Siddiqi

    University of California, Berkeley, Lawrence Berkeley National Laboratory

  View abstract →

• Detailed Structural and Chemical Analysis of Amorphous Compounds in Superconducting Qubit Systems

  ORAL

  March 9, 2023, 1:24 PM – March 9, 2023, 1:36 PM

  Publication: Akshay A. Murthy, Paul Masih Das, Stephanie M. Ribet, Cameron Kopas, Jaeyel Lee, Matthew J. Reagor, Lin Zhou, Matthew J. Kramer, Mark C. Hersam, Mattia Checchin, Anna Grassellino, Roberto dos Reis, Vinayak P. Dravid, and Alexander Romanenko<br>ACS Nano Article ASAP<br>DOI: 10.1021/acsnano.2c07913

  Presenters

  • Akshay A Murthy

    Fermilab, Fermi National Accelerator Laboratory

  Authors

  • Akshay A Murthy

    Fermilab, Fermi National Accelerator Laboratory

  • Cameron J Kopas

    Rigetti Computing Inc, Rigetti Computing, Rigetti Quantum Computing

  • Stephanie M Ribet

    Northwestern University

  • Josh Y Mutus

    Rigetti Computing Inc

  • Lin Zhou

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

  • Matthew J Kramer

    Ames Laboratory, Ames Laboraotry, Ames National Laboratory

  • Anna Grassellino

    Fermilab

  • Roberto dos Reis

    Northwestern University

  • Vinayak P Dravid

    Northwestern University

  • Alexander Romanenko

    Fermilab

  View abstract →

• Characterization of Transmon Qubits with Low-loss Parallel Plate Capacitors

  ORAL

  March 9, 2023, 1:36 PM – March 9, 2023, 1:48 PM

  Presenters

  • Katrina M Sliwa

    MIT Lincoln Lab

  Authors

  • Katrina M Sliwa

    MIT Lincoln Lab

  • Alexander Melville

    MIT Lincoln Laboratory

  • Wayne Woods

    MIT Lincoln Lab

  • Kyle Serniak

    MIT Lincoln Laboratory

  • Thomas M Hazard

    MIT Lincoln Lab, MIT Lincoln Laboratory

  • Evan Golden

    MIT LIncoln Lab, MIT Lincoln Lab, MIT Lincoln Laboratory

  • David K Kim

    MIT Lincoln Lab, MIT Lincoln Laboratory

  • Bethany M Niedzielski

    MIT Lincoln Lab, MIT Lincoln Laboratory

  • Michael A Gingras

    MIT Lincoln Lab, MIT Lincoln Laboratory

  • Kaidong Peng

    Massachusetts Institute of Technology MIT, MIT

  • Kevin P O'Brien

    Massachusetts Institute of Technology MIT, Massachusetts Institute of Technology, Massachusetts Institute of Technology MI

  • Jonilyn L Yoder

    MIT Lincoln Lab, MIT Lincoln Laboratory

  • Mollie E Schwartz

    MIT Lincoln Laboratory

  • William D Oliver

    Massachusetts Institute of Technology MIT, Massachusetts Institute of Technology (MIT), MIT Lincoln Laboratory, Massachusetts Institute of Technology (MIT), Massachusetts Institute of Technology, Massachusetts Institute of Technology, MIT Lincoln Laboratory

  View abstract →