APS Logo

Superconducting Cat Qubits

FOCUS · MAR-A17 · ID: 3105222

Presentations

  • Enhancing the coherent-state lifetime of a Kerr-cat qubit through leakage suppression (Part I)

    ORAL

    –

    Presenters

    • Daniel Z Haxell

      IBM Research - Zurich, IBM Research Europe - Zurich, Paul Scherrer Institute

    Authors

    • Daniel Z Haxell

      IBM Research - Zurich, IBM Research Europe - Zurich, Paul Scherrer Institute

    • Francesco Adinolfi

      Paul Scherrer Institute

    • Alessandro Bruno

      Paul Scherrer Institute

    • Laurent Michaud

      Paul Scherrer Institute

    • Venus Hasanuzzaman Kamrul

      Paul Scherrer Institute

    • Preeti Pandey

      Paul Scherrer Institute

    • Alexander Grimm

      Paul Scherrer Institute

    View abstract →

  • Enhancing the coherent-state lifetime of a Kerr-cat qubit through leakage suppression (Part II)

    ORAL

    –

    Presenters

    • Francesco Adinolfi

      Paul Scherrer Institute

    Authors

    • Francesco Adinolfi

      Paul Scherrer Institute

    • Daniel Z Haxell

      IBM Research - Zurich, IBM Research Europe - Zurich, Paul Scherrer Institute

    • Alessandro Bruno

      Paul Scherrer Institute

    • Laurent Michaud

      Paul Scherrer Institute

    • Venus Hasanuzzaman Kamrul

      Paul Scherrer Institute

    • Preeti Pandey

      Paul Scherrer Institute

    • Alexander Grimm

      Paul Scherrer Institute

    View abstract →

  • Understanding the degradation of Kerr cat qubit's noise bias

    ORAL

    –

    Publication: [1]. J. Chavez-Carlos et al, arXiv:2310.17698 <br> [2]. I. Garcia-Mata et al, arXiv:2408.00934<br> [3]. N.E. Frattini, R.G. Cortiñas et al, Phys. Rev. X 14, 031040 (2024)<br> [4]. D. Ruiz et al, Phys. Rev. A 107, 042407 (2023)<br> [5]. A. de Albornoz et al, arXiv:2409.13113

    Presenters

    • Othmane Benhayoune Khadraoui

      Université de Sherbrooke

    Authors

    • Othmane Benhayoune Khadraoui

      Université de Sherbrooke

    • Cristóbal Lledó

      Université de Sherbrooke

    • Manuel H Munoz Arias

      Universite de Sherbrooke

    • Alexandre Blais

      Université de Sherbrooke

    View abstract →

  • Realizing biased noise syndrome measurement in a repetition code of cat qubits

    ORAL · Invited

    –

    Publication: Putterman H., Noh K., Hann, C. et al. Hardware-efficient quantum error correction using concatenated bosonic qubits, arXiv:2409.13025 [quant-ph] <br>Putterman H.*, Noh K.*, Patel R. et al. Preserving phase coherence and linearity in cat qubits with exponential bit-flip suppression, arXiv:2409.17556 [quant-ph]

    Presenters

    • Harald Putterman

      AWS Center for Quantum Computing

    Authors

    • Harald Putterman

      AWS Center for Quantum Computing

    View abstract →

  • Leveraging biased noise ancilla in quantum error correction: Experimental investigations of coupling between a transmon and a Kerr-Cat qubit: Part 1/2

    ORAL

    –

    Presenters

    • Josiah Cochran

      University of Texas at Austin

    Authors

    • Josiah Cochran

      University of Texas at Austin

    • Haley M Cole

      University of Texas at Austin

    • Hebah Goderya

      Purdue University, University of Texas at Austin

    • Zhuoqun Hao

      University of Texas at Austin

    • Theo Shaw

      University of Texas at Austin

    • Aikaterini Kargioti

      University of Texas at Austin

    • Shyam Shankar

      University of Texas at Austin

    View abstract →

  • Leveraging biased noise ancilla in quantum error correction: Experimental investigations of coupling between a transmon and a Kerr-Cat qubit: Part 2/2

    ORAL

    –

    Presenters

    • Haley M Cole

      University of Texas at Austin

    Authors

    • Haley M Cole

      University of Texas at Austin

    • Josiah Cochran

      University of Texas at Austin

    • Hebah Goderya

      Purdue University, University of Texas at Austin

    • Zhuoqun Hao

      University of Texas at Austin

    • Theo Shaw

      University of Texas at Austin

    • Aikaterini Kargioti

      University of Texas at Austin

    • Shyam Shankar

      University of Texas at Austin

    View abstract →

  • Beyond Single Photon Dissipation in Kerr Cat Qubits

    ORAL

    –

    Presenters

    • Irwin Huang

      University of Rochester

    Authors

    • Irwin Huang

      University of Rochester

    • Bibek Bhandari

      Chapman University

    • KAGAN YANIK

      University of Rochester, University of Rochester, Chapman University

    • Bingcheng Qing

      University of California, Berkeley

    • AHMED HAJR

      University of California, Berkeley

    • Ke Wang

      University of California, Berkeley

    • David I Santiago

      Lawrence Berkeley National Laboratory

    • Justin Dressel

      Chapman University

    • Irfan Siddiqi

      University of California, Berkeley

    • Andrew N Jordan

      Chapman University

    View abstract →

  • Benchmarking Single-Qubit Gates on a Noise-Biased Qubit: Kerr cat qubit

    ORAL

    –

    Publication: Benchmarking Single-Qubit Gates on a Noise-Biased Qubit, in preparation, Bingcheng, Qing, et al.

    Presenters

    • Bingcheng Qing

      University of California, Berkeley

    Authors

    • Bingcheng Qing

      University of California, Berkeley

    • AHMED HAJR

      University of California, Berkeley

    • Ke Wang

      University of California, Berkeley

    • Zahra Pedramrazi

      University of California, Berkeley

    • Irwin Huang

      University of Rochester

    • Bibek Bhandari

      Chapman University

    • Larry Chen

      University of California, Berkeley

    • Justin Dressel

      Chapman University

    • Noah Kurt Goss

      University of California, Berkeley

    • Andrew N Jordan

      Chapman University

    • Long Bao Nguyen

      University of California, Berkeley

    • David I Santiago

      Lawrence Berkeley National Laboratory

    • Gerwin Koolstra

      EeroQ Quantum Hardware

    • Irfan Siddiqi

      University of California, Berkeley

    View abstract →

  • Strong light-matter coupling to protect quantum information with Schrodinger cat states

    ORAL

    –

    Publication: Ahmed Hajr et al. "High-Coherence Kerr-cat qubit in 2D architecture". In: arXiv preprint<br>arXiv:2404.16697 (2024)

    Presenters

    • AHMED HAJR

      University of California, Berkeley

    Authors

    • AHMED HAJR

      University of California, Berkeley

    • Bingcheng Qing

      University of California, Berkeley

    • Ke Wang

      University of California, Berkeley

    • Irwin Huang

      University of Rochester

    • Bibek Bhandari

      Chapman University

    • Justin Dressel

      Chapman University

    • Andrew N Jordan

      Chapman University

    • Irfan Siddiqi

      University of California, Berkeley

    View abstract →

  • Decoherence in dynamically protected qubits

    ORAL

    –

    Publication: 1. L. B. Nguyen, Y. Kim, N. Goss, B. Marinelli, B. Bhandari, et al., Nature Physics, 1-7 (2024)<br>2. A. Hajr, B. Qing, K. Wang, G. Koolstra, Z. Pedramrazi, Z. Kang, L. Chen, L. B. Nguyen, C. Junger, N. Goss, I. Huang, B. Bhandari, et al., arXiv:2404.16697 (2024) (PRX accepted)<br>3. B. Bhandari, et al, arXiv:2405.11375 (2024)

    Presenters

    • Bibek Bhandari

      Chapman University

    Authors

    • Bibek Bhandari

      Chapman University

    • D. Dominic Dominic Briseño-Colunga

      Chapman University

    • Irwin Huang

      University of Rochester

    • AHMED HAJR

      University of California, Berkeley

    • Long Bao Nguyen

      University of California, Berkeley

    • Bingcheng Qing

      University of California, Berkeley

    • Ke Wang

      University of California, Berkeley

    • David I Santiago

      Lawrence Berkeley National Laboratory

    • Irfan Siddiqi

      University of California, Berkeley

    • Justin Dressel

      Chapman University

    • Andrew N Jordan

      Chapman University

    View abstract →

  • Control-Z two-qubit gate on 2D Kerr cats

    ORAL

    –

    Presenters

    • Ke Wang

      University of California, Berkeley

    Authors

    • Ke Wang

      University of California, Berkeley

    • AHMED HAJR

      University of California, Berkeley

    • Bingcheng Qing

      University of California, Berkeley

    • Bibek Bhandari

      Chapman University

    • Irwin Huang

      University of Rochester

    • Chuan-Hong Liu

      University of California, Berkeley, Univ of California, Berkeley

    • Zahra Pedramrazi

      Lawrence Berkeley National Laboratory

    • Justin Dressel

      Chapman University

    • Andrew N Jordan

      Chapman University

    • David I Santiago

      Lawrence Berkeley National Laboratory

    • Irfan Siddiqi

      University of California, Berkeley

    View abstract →

  • Chiral cat code: enhanced error correction through higher-order nonlinearities

    ORAL

    –

    Publication: - Phys. Rev. A 106, 022431 (2022).<br>- PRX Quantum 4, 020337 (2023).

    Presenters

    • Fabrizio Minganti

      Alice and Bob, Alice&Bob

    Authors

    • Fabrizio Minganti

      Alice and Bob, Alice&Bob

    • Alberto Mercurio

      Federal Institute of Technology (EPFL)

    • Adria Labay Mora

      Institute for Cross-Disciplinary Physics and Complex Systems (IFISC) UIB-CSIC, Institute for Cross-Disciplinary Physics and Complex Systems

    • Gian Luca Giorgi

      Institute for Cross-Disciplinary Physics and Complex Systems (IFISC) UIB-CSIC, IFISC (CSIC-UIB), Institute for Cross-Disciplinary Physics and Complex Systems

    • Roberta Zambrini

      Institute for Cross-Disciplinary Physics and Complex Systems (IFISC) UIB-CSIC, IFISC (CSIC-UIB)

    • Vincenzo Savona

      EPFL, Federal Institute of Technology (EPFL), École Polytechnique Federal de Lausanne

    View abstract →