Superconducting Qubits: Tantalum Films

Presentations

• Improving Coherence in Tantalum Transmon Qubits

  ORAL

  March 20, 2025, 8:00 AM – March 20, 2025, 8:12 AM

  Publication: [1] Place, A.P.M., Rodgers, L.V.H., Mundada, P. et al. New material platform for superconducting transmon qubits with coherence times exceeding 0.3 milliseconds, Nat. Commun. 12, 1779 (2021)
  
  [2] Crowley, K.D, McLellan, R.A., Dutta, A. et al. Disentangling Losses in Tantalum Superconducting Circuits, Phys. Rev. X 13, 041005 (2023).

  Presenters

  • Matthew P Bland

    • Princeton University

  Authors

  • Matthew P Bland

    • Princeton University

  • Faranak Bahrami

    • Princeton University

  • Basil M Smitham

    • Princeton University

  • Jeronimo G Martinez

    • Princeton University

  • Atharv Joshi

    • Princeton University

  • Elizabeth Hedrick

    • Princeton University

  • Shashwat Kumar

    • Princeton University

  • Paal H Prestegaard

    • Princeton University

  • Alexander Pakpour-Tabrizi

    • Princeton University

  • Apoorv Jindal

    • Princeton University

  • Kevin Daniel Crowley

    • Princeton University

  • Guangming Cheng

    • Princeton University

  • Nan Yao

    • Princeton University

  • Robert J Cava

    • Princeton University

  • Nathalie P de Leon

    • Princeton University

  • Andrew A Houck

    • Princeton University

  View abstract →

• Improvement and stabilization of the performance of tantalum superconducting resonators via organic molecule-passivation

  ORAL

  March 20, 2025, 8:12 AM – March 20, 2025, 8:24 AM

  Presenters

  • Harsh Gupta

    • TU Munich
    • Technical University of Munich, TUM School of Computation, Information and Technology, Department of Electrical Engineering,Garching, Germany

  Authors

  • Harsh Gupta

    • TU Munich
    • Technical University of Munich, TUM School of Computation, Information and Technology, Department of Electrical Engineering,Garching, Germany

  • Moritz Singer

    • TU Munich
    • Technical University of Munich, TUM School of Computation, Information and Technology, Department of Electrical Engineering,Garching, Germany

  • Benedikt Schoof

    • TU Munich
    • Technical University of Munich, TUM School of Computation, Information and Technology, Department of Electrical Engineering,Garching, Germany

  • Marc Tornow

    • TU Munich, Fraunhofer EMFT
    • TU Munich, Fraunhofer Institute for Microsystems and Solid State Technologies
    • Technical University of Munich, TUM School of Computation, Information and Technology, Department of Electrical Engineering Garching,Germany; Fraunhofer- EMFT, Munich, Germany

  View abstract →

• Substrate-vacuum interface modification in tantalum superconducting resonators

  ORAL

  March 20, 2025, 8:24 AM – March 20, 2025, 8:36 AM

  Presenters

  • Daniel Perez

    • IMEC

  Authors

  • Daniel Perez

    • IMEC

  • Rohith Acharya

    • Katholieke University Leuven
    • IMEC
    • imec

  • Tsvetan Ivanov

    • IMEC
    • imec

  • Shana Massar

    • IMEC
    • imec

  • Yann Canvel

    • IMEC
    • imec

  • A. M. Vadiraj

    • IMEC
    • imec

  • Jacques Van Damme

    • IMEC
    • KU Leuven, imec

  • Massimo Mongillo

    • IMEC
    • imec

  • Danny Wan

    • IMEC
    • imec

  • Anton Potocnik

    • IMEC

  • Kristiaan DeGreve

    • IMEC
    • IMEC, KU Leuven
    • imec, KU Leuven
    • imec

  View abstract →

• Ta/Al Bilayers for Coherent Superconducting Quantum Devices

  ORAL

  March 20, 2025, 8:36 AM – March 20, 2025, 8:48 AM

  Presenters

  • Kevin A Grossklaus

    • MIT Lincoln Laboratory

  Authors

  • Kevin A Grossklaus

    • MIT Lincoln Laboratory

  • Duncan Miller

    • MIT Lincoln Laboratory

  • Felipe Contipelli

    • MIT Lincoln Laboratory

  • Serra Erdamar

    • Washington University, St. Louis

  • Luke D Burkhart

    • MIT Lincoln Laboratory

  • Michael Gingras

    • MIT Lincoln Laboratory

  • Bethany M Niedzielski

    • MIT Lincoln Laboratory
    • Lincoln Laboratory, Massachusetts Institute of Technology

  • Christopher O'Connell

    • MIT Lincoln Laboratory

  • Hannah M Stickler

    • MIT Lincoln Laboratory

  • Dan Calawa

    • MIT Lincoln Laboratory

  • David K Kim

    • MIT Lincoln Lab
    • Lincoln Laboratory, Massachusetts Institute of Technology

  • Alexander Melville

    • MIT Lincoln Laboratory

  • Aranya Goswami

    • Massachusetts Institute of Technology

  • William D Oliver

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

  • Mollie E Schwartz

    • MIT Lincoln Laboratory
    • Lincoln Laboratory, Massachusetts Institute of Technology

  • Kyle Serniak

    • MIT Lincoln Laboratory
    • Lincoln Laboratory, Massachusetts Institute of Technology

  View abstract →

• Surface oxide formation dynamics of tantalum

  ORAL

  March 20, 2025, 8:48 AM – March 20, 2025, 9:00 AM

  Presenters

  • Apoorv Jindal

    • Princeton University

  Authors

  • Apoorv Jindal

    • Princeton University

  • Alexander Pakpour-Tabrizi

    • Princeton University

  • Elizabeth Hedrick

    • Princeton University

  • Ray Chang

    • Princeton University

  • Nana Shumiya

    • Princeton University

  • Robert J Cava

    • Princeton University

  • Andrew A Houck

    • Princeton University

  • Nathalie P de Leon

    • Princeton University

  View abstract →

• Investigating microwave losses in β-tantalum-based superconducting circuits

  ORAL

  March 20, 2025, 9:00 AM – March 20, 2025, 9:12 AM

  Presenters

  • Atharv Joshi

    • Princeton University

  Authors

  • Atharv Joshi

    • Princeton University

  • Tunmay Gerg

    • Dartmouth College
    • Dartmouth

  • Apoorv Jindal

    • Princeton University

  • Matthew P Bland

    • Princeton University

  • Faranak Bahrami

    • Princeton University

  • Andrew A Houck

    • Princeton University

  • Nathalie P de Leon

    • Princeton University

  View abstract →

• Two-level System Loss in Amorphous Nb2O5 and Ta2O5

  ORAL

  March 20, 2025, 9:12 AM – March 20, 2025, 9:24 AM

  Presenters

  • Corey Rae H McRae

    • University of Colorado Boulder / NIST Boulder

  Authors

  • Corey Rae H McRae

    • University of Colorado Boulder / NIST Boulder

  • Dominic Pascal Goronzy

    • Northwestern University

  • Jorge L Ramirez

    • CU Boulder

  • Wei-Ren Syong

    • University of Colorado Boulder / NIST Boulder

  • William Mah

    • Northwestern University

  • Peter Lim

    • Northwestern University

  • David A Garcia-Wetten

    • Northwestern University

  • Thang T Pham

    • Northwestern University

  • Roberto dos Reis

    • Northwestern University

  • Mark C Hersam

    • Northwestern University

  • Michael J Bedzyk

    • Northwestern University

  • Michael J Bedzyk

    • Northwestern University

  • Vinayak D. Dravid

    • Northwestern University

  • Michael R Vissers

    • National Institute of Standards and Technology

  • Douglas A Bennett

    • National Institute of Standards and Technology Boulder
    • NIST Boulder

  View abstract →

• Mitigating Hydrogen-Related Loss in α-Ta Thin Films for Quantum Device Fabrication

  ORAL

  March 20, 2025, 9:24 AM – March 20, 2025, 9:36 AM

  Presenters

  • Anton Potocnik

    • IMEC

  Authors

  • Anton Potocnik

    • IMEC

  • Daniel Perez Lozano

    • imec

  • Massimo Mongillo

    • IMEC
    • imec

  • Bart Raes

    • IMEC

  • Yann Canvel

    • IMEC
    • imec

  • Shana Massar

    • IMEC
    • imec

  • A. M. Vadiraj

    • IMEC
    • imec

  • Tsvetan Ivanov

    • IMEC
    • imec

  • Rohith Acharya

    • Katholieke University Leuven
    • IMEC
    • imec

  • Jacques Van Damme

    • IMEC
    • KU Leuven, imec

  • Danny Wan

    • IMEC
    • imec

  • Kristiaan DeGreve

    • IMEC
    • IMEC, KU Leuven
    • imec, KU Leuven
    • imec

  View abstract →

• Chemical Analysis of Tantalum Thin Films for Quantum Information Science using SIMS and XPS

  ORAL

  March 20, 2025, 9:36 AM – March 20, 2025, 9:48 AM

  Presenters

  • Maithilee Shinde

    • Illinois Institute of Technology

  Authors

  • Maithilee Shinde

    • Illinois Institute of Technology

  • Akshay Murthy

    • Fermi National Accelerator Laboratory
    • Fermi National Accelerator Laboratory (Fermilab)
    • Fermilab

  • John Francis Zasadzinski

    • Illinois Institute of Technology

  View abstract →

• Characterization of Tantalum Oxide Suppression with a Noble Metal Encapsulation

  ORAL

  March 20, 2025, 9:48 AM – March 20, 2025, 10:00 AM

  Presenters

  • Nana Shumiya

    • Princeton University

  Authors

  • Nana Shumiya

    • Princeton University

  • Ray Chang

    • Princeton University

  • Peter V Sushko

    • Pacific Northwest National Laboratory (PNNL)

  • Aswin kumar Anbalagan

    • Brookhaven National Laboratory

  • Chenyu Zhou

    • Brookhaven National Laboratory (BNL)

  • Russell A McLellan

    • Princeton University

  • Kim Kisslinger

    • Brookhaven National Lab
    • Brookhaven National Laboratory
    • Brookhaven National Laboratory (BNL)
    • Center for Functional Nanomaterial

  • Yimei Zhu

    • Brookhaven National Laboratory (BNL)

  • Junsik Mun

    • Brookhaven National Laboratory

  • Faranak Bahrami

    • Princeton University

  • Matthew P Bland

    • Princeton University

  • Andi M Barbour

    • Brookhaven National Laboratory

  • Conan Weiland

    • National Institute of Standards and Technology
    • Brookhaven National Laboratory
    • Material Measurement Laboratory, National Institute of Standard and Technology

  • Steven L Hulbert

    • Brookhaven National Laboratory (BNL)

  • Mingzhao Liu

    • Brookhaven National Laboratory

  • Andrew L Walter

    • Brookhaven National Laboratory (BNL)

  • Robert J Cava

    • Princeton University

  • Andrew A Houck

    • Princeton University

  • Nathalie P de Leon

    • Princeton University

  View abstract →

• Tantalum thin films for superconducting qubit applications: the influence of the substrate-to-metal interface

  ORAL

  March 20, 2025, 10:00 AM – March 20, 2025, 10:12 AM

  Presenters

  • Moritz Singer

    • TU Munich
    • Technical University of Munich, TUM School of Computation, Information and Technology, Department of Electrical Engineering,Garching, Germany

  Authors

  • Moritz Singer

    • TU Munich
    • Technical University of Munich, TUM School of Computation, Information and Technology, Department of Electrical Engineering,Garching, Germany

  • Benedikt Schoof

    • TU Munich
    • Technical University of Munich, TUM School of Computation, Information and Technology, Department of Electrical Engineering,Garching, Germany

  • Harsh Gupta

    • TU Munich
    • Technical University of Munich, TUM School of Computation, Information and Technology, Department of Electrical Engineering,Garching, Germany

  • Marc Tornow

    • TU Munich, Fraunhofer EMFT
    • TU Munich, Fraunhofer Institute for Microsystems and Solid State Technologies
    • Technical University of Munich, TUM School of Computation, Information and Technology, Department of Electrical Engineering Garching,Germany; Fraunhofer- EMFT, Munich, Germany

  View abstract →

• Materials loss characterization using superconducting microwave resonators

  ORAL

  March 20, 2025, 10:12 AM – March 20, 2025, 10:24 AM

  Presenters

  • Ziqi (Candice) Kang

    • University of California, Berkeley

  Authors

  • Ziqi (Candice) Kang

    • University of California, Berkeley

  • Kan-Heng Lee

    • Lawrence Berkeley National Laboratory

  • Larry Chen

    • University of California, Berkeley

  • Maria Virginia Pires Altoe

    • Lawrence Berkeley National Laboratory

  • David I Santiago

    • Lawrence Berkeley National Laboratory

  • Irfan Siddiqi

    • University of California, Berkeley

  View abstract →

• Long-term stability of Ta superconducting resonators enabled by in situ deposited Al₂O₃

  ORAL

  March 20, 2025, 10:24 AM – March 20, 2025, 10:36 AM

  Publication: Yi-Ting Cheng, Hsien-Wen Wan, Yen-Hsun Glen Lin, Lawrence Boyu Young, Kuan-Hui Lai, Wan-Sin Chen, Chao-Kai Cheng, Wei-Jie Yan, Ko-Hsuan Mandy Chen, Yen-Hsiang Lin, Jueinai Kwo, and Minghwei Hong, "Long-term stability of Ta and Al superconducting resonators enabled by in situ deposited Al2O3", planned paper.

  Presenters

  • Yi-Ting Cheng

    • National Taiwan University
    • Graduate Institute of Applied Physics and Department of Physics, National Taiwan University

  Authors

  • Yi-Ting Cheng

    • National Taiwan University
    • Graduate Institute of Applied Physics and Department of Physics, National Taiwan University

  • Hsien-Wen Wan

    • National Taiwan University
    • Graduate Institute of Applied Physics and Department of Physics, National Taiwan University

  • Chao-Kai Cheng

    • National Taiwan University
    • Graduate Institute of Applied Physics and Department of Physics, National Taiwan University

  • Wei-Jie Yan

    • Department of Physics, National Tsing Hua University

  • Yen-Hsiang Lin

    • National Tsing Hua University
    • Department of Physics, National Tsing Hua University;Taiwan Semiconductor Research Institute
    • Department of Physics, National Tsing Hua University
    • Department of Physics, National Tsing Hua University, Hsinchu 30013, Taiwan

  • Jueinai Kwo

    • National TsingHua University
    • National Tsing Hua University
    • Department of Physics, National Tsing Hua University

  • Minghwei Hong

    • National Taiwan University
    • Graduate Institute of Applied Physics and Department of Physics, National Taiwan University

  View abstract →

• Why Superconducting Ta Qubits Have Fewer Tunneling Two-Level Systems at the Vacuum-Oxide Interface Than Nb Qubits

  ORAL

  March 20, 2025, 10:36 AM – March 20, 2025, 10:48 AM

  Publication: arXiv:2405.09842

  Presenters

  • Zhe Wang

    • University of California, Irvine

  Authors

  • Zhe Wang

    • University of California, Irvine

  • Clare C Yu

    • University of California, Irvine

  • Ruqian Wu

    • University of California, Irvine

  View abstract →

• High-Q Tantalum Superconducting Resonators Fabricated at Room Temperature

  ORAL

  March 20, 2025, 10:48 AM – March 20, 2025, 11:00 AM

  Presenters

  • Guillaume Marcaud

    • Center for Quantum Computing - Amazon Web Services
    • AWS Center for Quantum Computing

  Authors

  • Guillaume Marcaud

    • Center for Quantum Computing - Amazon Web Services
    • AWS Center for Quantum Computing

  • David Perello

    • AWS Center for Quantum Computing

  • Cliff Chen

    • AWS Center for Quantum Computing

  • Esha Umbarkar

    • AWS Center for Quantum Computing

  • Conan Weiland

    • National Institute of Standards and Technology
    • Brookhaven National Laboratory
    • Material Measurement Laboratory, National Institute of Standard and Technology

  • Jiansong Gao

    • AWS Center for Quantum Computing

  • Sandra Diez

    • AWS Center for Quantum Computing

  • Victor Ly

    • AWS Center for Quantum Computing

  • Neha Mahuli

    • AWS Center for Quantum Computing

  • Nathan D'Souza

    • AWS Center for Quantum Computing

  • Yuan He

    • AWS Center for Quantum Computing

  • Shahriar Aghaeimeibodi

    • AWS Center for Quantum Computing
    • AWS

  • Cherno Jaye

    • National Institute of Standards and Technology

  • Daniel A Fischer

    • National Institute of Standards and Technology

  • Abdul Rumaiz

    • Brookhaven National Laboratory

  • Matt Matheny

    • AWS Center for Quantum Computing

  • Matthew Hunt

    • AWS Center for Quantum Computing

  • Oskar Painter

    • AWS Center for Quantum Computing
    • AWS Center for Quantum Computing; Caltech
    • AWS Center for Quantum Computing, Caltech

  • Ignace Jarrige

    • AWS Center for Quantum Computing
    • Amazon Web Services

  View abstract →