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TLS and Material Loss

FOCUS · Q41 · ID: 47217

Presentations

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

    ORAL

    –

    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

    –

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

    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 →

  • Characterizing Loss Channels in Tantalum Transmons using Lumped Element Resonators

    ORAL

    –

    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

    • Authur Suits

      Princeton University, Aalto University, U.S. Naval Research Laboratory, Louisiana State University, University of South Florida, DBIO, Boston College, QCD Labs, Aalto University, DMP, Univeristy of Chicago, University of California, Berkeley, University of Delaware, University of Missouri

    • 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

    –

    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

    –

    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

    –

    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

    –

    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

    –

    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 →

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

    ORAL

    –

    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

    –

    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 →