TLS and Material Loss

Presentations

• Engineering the phonon bath for TLS in a superconducting qubit

  ORAL

  March 16, 2022, 3:00 PM – March 16, 2022, 3:12 PM

  Presenters

  • Mo Chen

    • Caltech

  Authors

  • Mo Chen

    • Caltech

  • Oskar Painter

    • Caltech

  View abstract →

• Study of Two-Level-System losses in Tantalum Superconducting Microwave Coplanar Waveguide Resonators

  ORAL

  March 16, 2022, 3:12 PM – March 16, 2022, 3:24 PM

  Presenters

  • AVEEK DUTTA

    • Princeton University

  Authors

  • AVEEK DUTTA

    • Princeton University

  • Alexander Place

    • Princeton University

  • Kevin D Crowley

    • Princeton University

  • Xuan Hoang Le

    • Princeton University

  • Youqi Gang

    • Princeton University

  • Xin Gui

    • Princeton University

  • Lila Rodgers

    • Princeton University

  • Trisha Madhavan

    • Harvard University

  • Nishaad P Khedkar

    • Princeton University

  • Ignace Jarrige

    • Amazon web Services

  • Yichen Jia

    • Brookhaven National Lab

  • Mingzhao Liu

    • Brookhaven National Laboratory
    • Brookhaven National Lab

  • Adrian Hunt

    • Brookhaven National Lab

  • Iradwikanari Waluyo

    • Brookhaven National Lab

  • Steven Hulbert

    • Brookhaven National Lab

  • Andi Barbour

    • NSLS-II, Brookhaven National Lab
    • Brookhaven National Laboratory
    • Brookhaven National Lab

  • Conan Weiland

    • Brookhaven National Lab

  • Andrew L Walter

    • Brookhaven National Lab

  • Robert J Cava

    • Princeton University
    • Department of Chemistry, Princeton University

  • Andrew A Houck

    • Princeton University

  • Nathalie P de Leon

    • Princeton University

  View abstract →

• Localization and mitigation of two-level system (TLS) and non-TLS losses at interfaces of niobium superconducting quantum resonators

  ORAL

  March 16, 2022, 3:24 PM – March 16, 2022, 3:36 PM

  Publication: Localization and reduction of superconducting quantum coherent circuit losses, arXiv:2012.07604
  

  Presenters

  • D. Frank F Ogletree

    • Lawrence Berkeley National Laboratory

  Authors

  • D. Frank F Ogletree

    • Lawrence Berkeley National Laboratory

  • Maria Virginia P Altoe

    • Lawrence Berkeley National Laboratory

  • Archan Banerjee

    • Lawrence Berkeley National Laboratory

  • Cassidy Berk

    • Lawrence Berkeley National Laboratory

  • AHMED HAJR

    • Lawrence Berkeley National Laboratory

  • Adam Schwartzberg

    • Lawrence Berkeley National Laboratory

  • Chengyu Song

    • Lawrence Berkeley National Lab

  • Michael Elowson

    • LBNL

  • John Mark Kreikebaum

    • Lawrence Berkeley National Laboratory

  • Ed K Wong

    • Lawrence Berkeley National Laboratory
    • LBNL

  • Sinead Griffin

    • LBNL
    • Materials Sciences Division and Molecular Foundry, Berkeley Lab
    • Lawrence Berkeley National Laboratory
    • Lawrence Berkeley National Lab

  • Alexander Weber-Bargioni

    • Lawrence Berkeley National Laboratory
    • LBNL

  • Andrew M Minor

    • LBNL

  • David I Santiago

    • Lawrence Berkeley National Laboratory
    • Computational Research Division, Lawrence Berkeley National Lab

  • Stefano Cabrini

    • Lawrence Berkeley National Laboratory
    • LBNL

  • Irfan Siddiqi

    • University of California, Berkeley
    • Applied Mathematics and Computational Research and Materials Sciences Divisions, LBNL
    • Lawrence Berkeley National Laboratory
    • Applied Mathematics, Computational Research and Materials Sciences Divisions, Lawrence Berkeley National Lab

  View abstract →

• Two-level system loss and noise, and development of superconducting integrated quantum processors

  ORAL · Invited

  March 16, 2022, 3:36 PM – March 16, 2022, 4:12 PM

  Presenters

  • Jonas Bylander

    • Chalmers Univ of Tech
    • Chalmers University of Technology

  Authors

  • Jonas Bylander

    • Chalmers Univ of Tech
    • Chalmers University of Technology

  View abstract →

• Characterizing Loss Channels in Tantalum Transmons using Lumped Element Resonators

  ORAL

  March 16, 2022, 4:12 PM – March 16, 2022, 4:24 PM

  Presenters

  • Kevin D Crowley

    • Princeton University

  Authors

  • Kevin D Crowley

    • Princeton University

  • Alexander P Place

    • Princeton University

  • AVEEK DUTTA

    • Princeton University

  • Sara F Sussman

    • Princeton University

  • Hoang Le

    • Princeton University

  • Youqi Gang

    • Princeton University

  • Nishaad P Khedkar

    • Princeton University

  • Nathalie P de Leon

    • Princeton University

  • Andrew A Houck

    • Princeton University

  View abstract →

• Low-loss parallel-plate capacitor for superconducting quantum circuits

  ORAL

  March 16, 2022, 4:24 PM – March 16, 2022, 4:36 PM

  Presenters

  • Alexander Melville

    • MIT Lincoln Laboratory
    • MIT Lincoln Lab

  Authors

  • Alexander Melville

    • MIT Lincoln Laboratory
    • MIT Lincoln Lab

  • Wayne Woods

    • MIT Lincoln Lab

  • Kyle Serniak

    • MIT Lincoln Lab
    • MIT Lincoln Laboratory

  • Evan Golden

    • MIT Lincoln Laboratory

  • David K Kim

    • MIT Lincoln Lab
    • MIT Lincoln Laboratory

  • Bethany M Niedzielski

    • MIT Lincoln Lab
    • MIT Lincoln Laboratory

  • Kaidong Peng

    • Massachusetts Institute of Technology MIT
    • Massachusetts Institute of Technology MI
    • Massachusetts Institute of Technology (MIT)

  • Kevin P O'Brien

    • Massachusetts Institute of Technology MIT
    • Massachusetts Institute of Technology (MIT)

  • Jonilyn L Yoder

    • MIT Lincoln Lab
    • MIT Lincoln Laboratory

  • Mollie E Schwartz

    • MIT Lincoln Lab
    • MIT Lincoln Laboratory

  • William D Oliver

    • Massachusetts Institute of Technology MIT
    • Massachusetts Institute of Technology Department of Electrical Engineering and Computer Science, Massachusetts Institute of Technology Research Laboratory of Electronics
    • MIT Lincoln Laboratory and Department of Electrical Engineering & Computer Science and Department of Physics, Massachusetts Institute of Technology

  View abstract →

• Fabrication and surface treatment of electron-beam evaporated niobium for low-loss coplanar waveguide resonators

  ORAL

  March 16, 2022, 4:36 PM – March 16, 2022, 4:48 PM

  Publication: https://aip.scitation.org/doi/full/10.1063/5.0066441

  Presenters

  • Daria Kowsari

    • Washington University, St. Louis

  Authors

  • Daria Kowsari

    • Washington University, St. Louis

  • Kaiwen Zheng

    • Washington University
    • Washington University, St. Louis

  • Jonathan T Monroe

    • Washington University, St. Louis

  • Nathan J Thobaben

    • Saint Louis University

  • Xinyi Du

    • Washington University, St. Louis

  • Patrick M Harrington

    • Massachusetts Institute of Technology MI
    • Department of Electrical Engineering & Computer Science and Department of Physics, Massachusetts Institute of Technology
    • Massachusetts Institute of Technology MIT
    • Massachusetts Institute of Technology

  • Erik A Henriksen

    • Washington University, St. Louis

  • David S Wisbey

    • Saint Louis University

  • Kater W Murch

    • Washington University, St. Louis

  View abstract →

• Reducing two-level-system microwave loss in niobium resonators with nitrogen plasma passivation

  ORAL

  March 16, 2022, 4:48 PM – March 16, 2022, 5:00 PM

  Publication: K. Zheng, et. al., Nitrogen plasma passivated niobium resonators for superconducting circuits, manuscript in preparation.

  Presenters

  • Kaiwen Zheng

    • Washington University
    • Washington University, St. Louis

  Authors

  • Kaiwen Zheng

    • Washington University
    • Washington University, St. Louis

  • Daria Kowsari

    • Washington University, St. Louis

  • Nathan J Thobaben

    • Saint Louis University

  • Xinyi Du

    • Washington University, St. Louis

  • Sheng Ran

    • Washington University, St. Louis

  • Erik A Henriksen

    • Washington University, St. Louis

  • David S Wisbey

    • Saint Louis University

  • Kater W Murch

    • Washington University, St. Louis

  View abstract →

• TLS Fluctuations in Superconducting Circuits - Part 1

  ORAL

  March 16, 2022, 5:00 PM – March 16, 2022, 5:12 PM

  Publication: 1. Béjanin, J. H., Earnest, C. T., Sharafeldin, A. S. & Mariantoni, M. Interacting defects generate stochastic fluctuations in superconducting qubits. Phys. Rev. B 104, 094106 (2021).

  Presenters

  • Jérémy H Béjanin

    • University of Waterloo

  Authors

  • Jérémy H Béjanin

    • University of Waterloo

  • Matteo Mariantoni

    • University of Waterloo

  • Carolyn T Earnest

    • University of Waterloo

  • Alaa S Sharafeldin

    • McMaster University

  View abstract →

• TLS Fluctuations in Superconducting Circuits - Part 2

  ORAL

  March 16, 2022, 5:12 PM – March 16, 2022, 5:24 PM

  Presenters

  • Yosri Ayadi

    • University of Waterloo

  Authors

  • Yosri Ayadi

    • University of Waterloo

  • Jérémy H Béjanin

    • University of Waterloo

  • Christopher Xu

    • University of Waterloo

  • Cheng Zhu

    • University of Waterloo

  • Hamid R Mohebbi

    • University of waterloo

  • Matteo Mariantoni

    • University of Waterloo

  View abstract →

• Titanium Nitride Film on Sapphire Substrate with Low Dielectric Loss for Superconducting Qubit

  ORAL

  March 16, 2022, 5:24 PM – March 16, 2022, 5:36 PM

  Presenters

  • Hao Deng

    • Alibaba Quantum Laboratory, Alibaba Group

  Authors

  • Hao Deng

    • Alibaba Quantum Laboratory, Alibaba Group

  • Tian Xia

    • Alibaba Quantum Laboratory, Alibaba Group

  • Ran Gao

    • Alibaba Quantum Laboratory, Alibaba Group

  • Zhijun Song

    • Alibaba Quantum Laboratory, Alibaba Group

  View abstract →

• Detection of TLS defects coupled to a c-shunt flux qubit via critical-current fluctuations

  ORAL

  March 16, 2022, 5:36 PM – March 16, 2022, 5:48 PM

  Publication: L. V. Abdurakhimov, I. Mahboob, H. Toida, K. Kakuyanagi, Y. Matsuzaki, S. Saito, in preparation.

  Presenters

  • Leonid Abdurakhimov

    • NTT Basic Research Laboratories, NTT Corporation

  Authors

  • Leonid Abdurakhimov

    • NTT Basic Research Laboratories, NTT Corporation

  • Imran Mahboob

    • NTT Basic Research Laboratories, NTT Corporation

  • Hiraku Toida

    • NTT Basic Research Laboratories, NTT Corporation

  • Kosuke Kakuyanagi

    • NTT Basic Research Laboratories, NTT Corporation

  • Yuichiro Matsuzaki

    • AIST
    • Research Center for Emerging Computing Technologies, National institute of Advanced Industrial Science and Technology (AIST)
    • National Institute of Advanced Industrial Science and Technology

  • Shiro Saito

    • NTT Basic Research Laboratories, NTT Corporation

  View abstract →

• Compact vacuum gap transmons - selective and sensitive probes for superconductor surface losses

  ORAL

  March 16, 2022, 5:48 PM – March 16, 2022, 6:00 PM

  Presenters

  • Martin Zemlicka

    • Institute of Science and Technology Austria

  Authors

  • Martin Zemlicka

    • Institute of Science and Technology Austria

  • Elena Redchenko

    • Institute of Science and Technology Austria

  • Matilda Peruzzo

    • Institute of science and technology IST Austria
    • Institute of Science and Technology Austria

  • Farid Hassani Bijarbooneh

    • Institute of Science and Technology Aust
    • Institute of Science and Technology Austria

  • Andrea Trioni

    • Institute of Science and Technology Aust
    • Institute of Science and Technology Austria

  • Shabir Barzanjeh

    • Institute of Science and Technology Austria

  • Johannes Fink

    • Institute of Science and Technology Austria

  View abstract →