Superconducting Qubits: Tantalum Films

Presentations

• Improving Coherence in Tantalum Transmon Qubits

  ORAL

  March 20, 2025, 11:00 AM – March 20, 2025, 11:12 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)<br><br>[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, 11:12 AM – March 20, 2025, 11:24 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, 11:24 AM – March 20, 2025, 11:36 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, 11:36 AM – March 20, 2025, 11:48 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, 11:48 AM – March 20, 2025, 12:00 PM

  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, 12:00 PM – March 20, 2025, 12:12 PM

  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, 12:12 PM – March 20, 2025, 12:24 PM

  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, 12:24 PM – March 20, 2025, 12:36 PM

  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, 12:36 PM – March 20, 2025, 12:48 PM

  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, 12:48 PM – March 20, 2025, 1:00 PM

  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, 1:00 PM – March 20, 2025, 1:12 PM

  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, 1:12 PM – March 20, 2025, 1:24 PM

  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, 1:24 PM – March 20, 2025, 1:36 PM

  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, 1:36 PM – March 20, 2025, 1:48 PM

  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, 1:48 PM – March 20, 2025, 2:00 PM

  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 →