Superconducting Qubits: Loss Mechanisms (TLS) and Novel Materials

Presentations

• Delocalised oxygen as the origin of two-level defects in Josephson junctions

  ORAL

  March 18, 2013, 11:15 AM – March 18, 2013, 11:27 AM

  Authors

  • Jared Cole

    • Chemical and Quantum Physics, School of Applied Sciences, RMIT University, Melbourne 3001, Australia

  • Timothy DuBois

    • Chemical and Quantum Physics, School of Applied Sciences, RMIT University, Melbourne 3001, Australia

  • Manolo Per

    • Virtual Nanoscience Laboratory, CSIRO Materials Science and Engineering, Parkville 3052, Australia

  • Salvy Russo

    • Chemical and Quantum Physics, School of Applied Sciences, RMIT University, Melbourne 3001, Australia

  View abstract →

• Noise from Two-Level Systems in Superconducting Resonators

  ORAL

  March 18, 2013, 11:27 AM – March 18, 2013, 11:39 AM

  Authors

  • C. Neill

    • UC Santa Barbara

  • R. Barends

    • UC Santa Barbara

  • Y. Chen

    • UC Santa Barbara

  • B. Chiaro

    • UC Santa Barbara

  • E. Jeffrey

    • UC Santa Barbara

  • J. Kelly

    • UC Santa Barbara

  • M. Mariantoni

    • UC Santa Barbara

  • A. Megrant

    • UC Santa Barbara

  • J. Mutus

    • UC Santa Barbara

  • S. Ohya

    • UC Santa Barbara

  • D. Sank

    • UC Santa Barbara

  • A. Vainsencher

    • UC Santa Barbara

  • J. Wenner

    • UC Santa Barbara

  • T. White

    • UC Santa Barbara

  • A. N. Cleland

    • UC Santa Barbara

  • J. M. Martinis

    • UC Santa Barbara

  View abstract →

• Universal dielectric loss in amorphous solids in Josephson qubits from simultaneous bias and microwave fields

  ORAL

  March 18, 2013, 11:39 AM – March 18, 2013, 11:51 AM

  Authors

  • Alexander Burin

    • Tulane University

  • Kevin Osborn

    • LPS University of Maryland

  • Khalil Moe

    • University of Maryland and Laboratory for Physical Sciences
    • LPS, University of Maryland

  View abstract →

• Polaronic model of Two Level Systems in amorphous solids

  ORAL

  March 18, 2013, 11:51 AM – March 18, 2013, 12:03 PM

  Authors

  • Kartiek Agarwal

    • Harvard University

  • Ivar Martin

    • Los Alamos National Laboratory

  • Eugene Demler

    • Harvard University

  • Mikhail Lukin

    • Harvard University

  View abstract →

• Superconducting Titanium Nitride Coplanar Resonators: Relationships between performance and deposition parameters

  ORAL

  March 18, 2013, 12:03 PM – March 18, 2013, 12:15 PM

  Authors

  • B. Chiaro

    • UC Santa Barbara

  • S. Ohya

    • UC Santa Barbara

  • A. Megrant

    • UC Santa Barbara

  • C. Neill

    • UC Santa Barbara

  • R. Barends

    • UC Santa Barbara

  • B. Campbell

    • UC Santa Barbara

  • Y. Chen

    • UC Santa Barbara

  • J. Kelly

    • UC Santa Barbara

  • M. Mariantoni

    • UC Santa Barbara

  • J. Mutus

    • UC Santa Barbara

  • P. O'Malley

    • UC Santa Barbara

  • P. Roushan

    • UC Santa Barbara

  • D. Sank

    • UC Santa Barbara

  • A. Vainsencher

    • UC Santa Barbara

  • J. Wenner

    • UC Santa Barbara

  • T. White

    • UC Santa Barbara

  • C.J. Palmstrom

    • UC Santa Barbara

  • B.A. Mazin

    • UC Santa Barbara

  • A.N. Cleland

    • UC Santa Barbara

  • J.M. Martinis

    • UC Santa Barbara

  View abstract →

• Characterization of quantum-regime dielectric loss of aluminum oxide using superconducting LC resonators

  ORAL

  March 18, 2013, 12:15 PM – March 18, 2013, 12:27 PM

  Authors

  • Chunqing Deng

    • University of Waterloo
    • Institute for Quantum Computing, University of Waterloo

  • Martin Otto

    • University of Waterloo

  • Adrian Lupascu

    • University of Waterloo

  View abstract →

• ABSTRACT WITHDRAWN

  March 18, 2013, 12:27 PM – March 18, 2013, 12:39 PM

  View abstract →

• Observation of Cavity QED in thick dielectric films

  ORAL

  March 18, 2013, 12:39 PM – March 18, 2013, 12:51 PM

  Authors

  • Bahman Sarabi

    • Laboratory for Physical Sciences, University of Maryland - College Park

  • A.N. Ramanayaka

    • Laboratory for Physical Sciences

  • S. Gladchenko

    • Laboratory for Physical Sciences

  • M.J.A. Stoutimore

    • Laboratory for Physical Sciences

  • M.S. Khalil

    • Laboratory for Physical Sciences, University of Maryland - College Park

  • K.D. Osborn

    • Laboratory for Physical Sciences

  View abstract →

• TLS-like temperature and power dependence for loss in superconducting coplanar resonators

  ORAL

  March 18, 2013, 12:51 PM – March 18, 2013, 1:03 PM

  Authors

  • S. Gladchenko

    • Laboratory for Physical Sciences, MD, USA

  • M.J.A. Stoutimore

    • Laboratory for Physical Sciences, MD, USA

  • M. Khalil

    • Laboratory for Physical Sciences, MD, USA

  • K. D. Osborn

    • Laboratory for Physical Sciences, MD, USA

  View abstract →

• Non-equilibrium two-level system dynamics probed with a biased bridge resonator

  ORAL

  March 18, 2013, 1:03 PM – March 18, 2013, 1:15 PM

  Authors

  • Khalil Moe

    • University of Maryland and Laboratory for Physical Sciences
    • LPS, University of Maryland

  • Sergiy Gladchenko

    • University of Maryland and Laboratory for Physical Sciences

  • M.J.A. Stoutimore

    • University of Maryland and Laboratory for Physical Sciences

  • F.C. Wellstood

    • University of Maryland

  • K.D. Osborn

    • Laboratory for Physical Sciences

  View abstract →

• Observation of the dynamics of two-state parametric fluctuators in superconducting flux qubits

  ORAL

  March 18, 2013, 1:15 PM – March 18, 2013, 1:27 PM

  Authors

  • Adrian Lupascu

    • Institute for Quantum Computing, Department of Physics and Astronomy, and Waterloo Institute for Nanotechnology, University of Waterloo

  • Mustafa Bal

    • Institute for Quantum Computing, Department of Physics and Astronomy, and Waterloo Institute for Nanotechnology, University of Waterloo
    • Institute for Quantum Computing, University of Waterloo

  • Mohammad Ansari

    • Institute for Quantum Computing, Department of Physics and Astronomy, and Waterloo Institute for Nanotechnology, University of Waterloo
    • University of Waterloo

  View abstract →

• Low-frequency two level systems and $1/f$ noise in Al/AlO$_{x}$/Al Josephson junctions for superconducting qubits: achieving a noiseless junction

  ORAL

  March 18, 2013, 1:27 PM – March 18, 2013, 1:39 PM

  Authors

  • Christopher Nugroho

    • University of Illinois at Urbana-Champaign

  • Vladimir Orlyanchik

    • University of Illinois at Urbana-Champaign

  • Dale Van Harlingen

    • University of Illinois at Urbana Champaign
    • University of Illinois at Urbana-Champaign

  View abstract →

• Josephson Phase Qubits Incorporating Novel Coherent Materials

  ORAL

  March 18, 2013, 1:39 PM – March 18, 2013, 1:51 PM

  Authors

  • U. Patel

    • University of Wisconsin - Madison Department of Physics
    • University of Wisconsin, Madison

  • Y. Gao

    • University of Wisconsin, Madison

  • D. Hover

    • University of Wisconsin, Madison

  • G. Ribeill

    • University of Wisconsin, Madison

  • S. Sendelbach

    • University of Wisconsin, Madison

  • R. McDermott

    • University of Wisconsin, Madison

  View abstract →

• Optimization of Transmon Qubit Fabrication

  ORAL

  March 18, 2013, 1:51 PM – March 18, 2013, 2:03 PM

  Authors

  • Josephine Chang

    • IBM T.J. Watson Research Center

  • Mary Beth Rothwell

    • IBM T.J. Watson Research Center

  • George Keefe

    • IBM T.J. Watson Research Center

  View abstract →