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

Presentations

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

  ORAL

  March 9, 2023, 8:00 AM – March 9, 2023, 8:12 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, 8:12 AM – March 9, 2023, 8:24 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, 8:24 AM – March 9, 2023, 8:36 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, 8:36 AM – March 9, 2023, 8:48 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, 8:48 AM – March 9, 2023, 9:00 AM

  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, 9:00 AM – March 9, 2023, 9:12 AM

  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, 9:12 AM – March 9, 2023, 9:24 AM

  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, 9:24 AM – March 9, 2023, 9:36 AM

  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, 9:36 AM – March 9, 2023, 9:48 AM

  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, 9:48 AM – March 9, 2023, 10:00 AM

  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, 10:00 AM – March 9, 2023, 10:12 AM

  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, 10:12 AM – March 9, 2023, 10:24 AM

  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, 10:24 AM – March 9, 2023, 10:36 AM

  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
  ACS Nano Article ASAP
  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, 10:36 AM – March 9, 2023, 10:48 AM

  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 →