Focus Session: Superconducting Qubits: Epitaxial Junctions and Two-Level Systems

Presentations

• Coherence in a transmon qubit with epitaxial tunnel junctions

  ORAL

  March 1, 2012, 8:00 AM – March 1, 2012, 8:12 AM

  Authors

  • Martin Weides

    • National Institute of Standards and Technology, Boulder, CO 80309-044, USA
    • National Institute of Standards and Technology

  • Jeffrey Kline

    • National Institute of Standards and Technology

  • Michael Vissers

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

  • Martin Sandberg

    • National institute of Standards and Technology, Boulder, CO 80305
    • National Institute of Standards and Technology

  • David Wisbey

    • Saint Louis University

  • David Pappas

    • National Institute of Standards and Technology

  • Blake R. Johnson

    • Raytheon BBN Technologies
    • Disruptive Information Processing Technologies Group, Raytheon BBN Technologies

  • T. Ohki

    • Raytheon BBN Technologies
    • Disruptive Information Processing Technologies Group, Raytheon BBN Technologies

  View abstract →

• Superconducting qubits consisting of epitaxially-grown NbN/AlN/NbN Josephson junctions

  ORAL

  March 1, 2012, 8:12 AM – March 1, 2012, 8:24 AM

  Authors

  • Yasunobu Nakamura

    • RIKEN/NEC
    • NEC Corporation

  • Hirotaka Terai

    • NICT

  • Kunihiro Inomata

    • RIKEN

  • Tsuyoshi Yamamoto

    • RIKEN/NEC

  • Wei Qiu

    • NICT

  • Zhen Wang

    • NICT

  View abstract →

• Josephson phase qubits incorporating high-Q crystalline dielectrics

  ORAL

  March 1, 2012, 8:24 AM – March 1, 2012, 8:36 AM

  Authors

  • U. Patel

    • University of Wisconsin-Madison Department of Physics
    • Department of Physics, University of Wisconsin, Madison, Wisconsin 53706

  • Y. Gao

    • Department of Physics, University of Wisconsin, Madison, Wisconsin 53706

  • L. Maurer

    • Department of Physics, University of Wisconsin, Madison, Wisconsin 53706

  • S. Sendelbach

    • Department of Physics, University of Wisconsin, Madison, Wisconsin 53706

  • D. Hover

    • Department of Physics, University of Wisconsin, Madison, Wisconsin 53706

  • K.H. Cho

    • Department of Materials Science and Engineering, University of Wisconsin, Madison, Wisconsin 53706

  • C.B. Eom

    • Department of Materials Science and Engineering, University of Wisconsin, Madison, Wisconsin 53706

  • R. McDermott

    • Department of Physics, University of Wisconsin, Madison, Wisconsin 53706

  View abstract →

• Growth of epitaxial Al/AlOx/Re using a sputtering PLD hybrid system with \textit{in-situ} RHEED

  ORAL

  March 1, 2012, 8:36 AM – March 1, 2012, 8:48 AM

  Authors

  • Kwang Hwan Cho

    • Department of Materials Science and Engineering, University of Wisconsin-Madison

  • Jacob Podkaminer

    • Department of Materials Science and Engineering, University of Wisconsin-Madison

  • Umeshkumar Patel

    • Department of Physics, University of Wisconsin-Madison

  • Robert McDermott

    • Department of Physics, University of Wisconsin-Madison

  • Chang-Beom Eom

    • Department of Materials Science and Engineering, University of Wisconsin-Madison

  View abstract →

• Transport Characteristics of Self-Aligned Josephson Junctions Grown using co-Deposited Molecular Beam Epitaxy

  ORAL

  March 1, 2012, 8:48 AM – March 1, 2012, 9:00 AM

  Authors

  • Gustaf Olson

    • University of Illinois Urbana Champaign

  • Allison Dove

    • University of Illinois Urbana Champaign

  • Zachary Yoscovits

    • University of Illinois Urbana Champaign

  • Christopher Nugroho

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

  • Vladimir Orlyanchik

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

  • Dale Van Harlingen

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

  • James N. Eckstein

    • University of Illinois Urbana Champaign
    • University of Illinis Urbana-Champaign
    • Frederick Seitz Materials Research Laboratory, University of Illinois at Urbana-Champaign

  View abstract →

• Internal loss of superconducting resonators induced by interacting two level systems

  ORAL

  March 1, 2012, 9:00 AM – March 1, 2012, 9:12 AM

  Authors

  • Lara Faoro

    • LPTHE, CNRS

  • Lev Ioffe

    • Rutgers University

  View abstract →

• Two-level system dynamics in amorphous dielectrics probed with a dc electric field

  ORAL

  March 1, 2012, 9:12 AM – March 1, 2012, 9:24 AM

  Authors

  • Moe Khalil

    • University of Maryland and Laboratory for Physical Sciences

  • 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 →

• Studying two-level systems in Josephson junctions with a Josephson junction defect spectrometer

  ORAL

  March 1, 2012, 9:24 AM – March 1, 2012, 9:36 AM

  Authors

  • M.J.A. Stoutimore

    • Laboratory for Physical Sciences, University of Maryland

  • M.S. Khalil

    • Laboratory for Physical Sciences, University of Maryland

  • Sergiy Gladchenko

    • Laboratory for Physical Sciences, University of Maryland

  • R.W. Simmonds

    • National Institute of Standards and Technology

  • C.J. Lobb

    • University of Maryland

  • K.D. Osborn

    • Laboratory for Physical Sciences

  View abstract →

• Relaxation of a Cooper-Pair Box Coupled to Discrete Charge Fluctuators

  ORAL

  March 1, 2012, 9:36 AM – March 1, 2012, 9:48 AM

  Authors

  • B.S. Palmer

    • Laboratory for Physical Sciences
    • Lab for Physical Sciences, College Park, Maryland

  • Zaeill Kim

    • JQI, CNAM, Department of Physics, University of Maryland
    • JQI/UMD

  • F.C. Wellstood

    • Physics Dept., University of Maryland, College Park
    • University of Maryland
    • JQI, CNAM, Department of Physics, University of Maryland
    • JQI, CNAM, Dept. of Phys, Univ of MD, College Park

  View abstract →

• Microwave Frequency Loss in Aluminum Nanobridge Josephson Junctions

  ORAL

  March 1, 2012, 9:48 AM – March 1, 2012, 10:00 AM

  Authors

  • Eli Levenson-Falk

    • UC Berkeley, QNL

  • R. Vijay

    • UC Berkeley, QNL

  • Steven Weber

    • UC Berkeley, QNL

  • Kater Murch

    • UC Berkeley, QNL

  • Kater Murch

    • UC Berkeley, QNL

  View abstract →

• $T_1$-echo sequence - Preserving the state of a qubit in the presence of coherent interaction

  ORAL

  March 1, 2012, 10:00 AM – March 1, 2012, 10:12 AM

  Authors

  • Clemens M\"uller

    • Departement de Physique, Universite de Sherbrooke, Quebec, Canada J1K 2R1

  • Alexander Shnirman

    • Institut fuer Theorie der Kondensierten Materie, Karlsruhe Institute of Technology, D-76128 Karlsruhe, Germany

  • Martin Weides

    • National Institute of Standards and Technology, Boulder, CO 80309-044, USA
    • National Institute of Standards and Technology

  View abstract →

• Circuit quantum electrodynamics with a scanning qubit

  ORAL

  March 1, 2012, 10:12 AM – March 1, 2012, 10:24 AM

  Authors

  • William Shanks

    • Princeton University
    • Department of Electrical Engineering, Princeton University

  • Devin Underwood

    • Princeton University

  • James Raftery

    • Princeton University

  • Srikanth Srinivasan

    • Princeton University

  • Anthony Hoffman

    • Princeton University

  • Andrew Houck

    • Princeton University

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• Noise and microresonance of critical current in Josephson junction induced by Kondo trap states

  ORAL

  March 1, 2012, 10:24 AM – March 1, 2012, 10:36 AM

  Authors

  • Mohammad Ansari

    • University of Waterloo

  • Frank Wilhelm

    • Saarland University

  View abstract →

• Probing coupling mechanism between microscopic two-level system and superconducting qubits

  ORAL

  March 1, 2012, 10:36 AM – March 1, 2012, 10:48 AM

  Authors

  • Yang Yu

    • Nanjing University

  • Zhentao Zhang

    • Nanjing University

  View abstract →