Traveling Wave Parametric Amplifiers (TWPAs)

Presentations

• Parametric amplification and entanglement generation in a left-handed Josephson transmission line: Theory (Part 1)

  ORAL

  March 17, 2026, 3:30 PM – March 17, 2026, 3:42 PM

  Presenters

  • Boran Kuzhan

    • Northwestern University, Evanston, USA
    • Northwestern University

  Authors

  • Boran Kuzhan

    • Northwestern University, Evanston, USA
    • Northwestern University

  • Giulio Cappelli

    • Université Grenoble Alpes, CNRS, Grenoble INP, Institut Néel
    • FBK - Fondazione Bruno Kessler
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France

  • Gwenael Le Gal

    • Institut Néel
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France
    • Université Grenoble Alpes, CNRS, Grenoble INP, Institut Néel

  • Bekim Fazliji

    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel
    • Institut Neel, Silent Waves

  • Arpit Ranadive

    • Institut Neel
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France

  • Edgar Bonet

    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France
    • Université Grenoble Alpes, CNRS, Grenoble INP, Institut Néel

  • Eric Eyraud

    • Université Grenoble Alpes, CNRS, Grenoble INP, Institut Néel
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France

  • Luca Planat

    • Silent Waves
    • Silent Waves, 38000 Grenoble, France

  • Alexis Coissard

    • Silent Waves, 38000 Grenoble, France
    • Silent Waves

  • Nicolas Roch

    • Institut Neel
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France and Silent Waves, 38000 Grenoble, France
    • Institut Neel, Silent Waves
    • Institut Neel, CNRS, 38042 Grenoble, France
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel

  • Archana Kamal

    • Northwestern University
    • Northwestern University Evanston, University of Massachusetts Lowell
    • Northwestern University, Evanston, USA
    • University of Massachusetts

  View abstract →

• Parametric amplification and entanglement generation in a left-handed Josephson transmission line: Experiment (Part 2)

  ORAL

  March 17, 2026, 3:42 PM – March 17, 2026, 3:54 PM

  Presenters

  • Giulio Cappelli

    • Université Grenoble Alpes, CNRS, Grenoble INP, Institut Néel
    • FBK - Fondazione Bruno Kessler
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France

  Authors

  • Giulio Cappelli

    • Université Grenoble Alpes, CNRS, Grenoble INP, Institut Néel
    • FBK - Fondazione Bruno Kessler
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France

  • Gwenael Le Gal

    • Institut Néel
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France
    • Université Grenoble Alpes, CNRS, Grenoble INP, Institut Néel

  • Bekim Fazliji

    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France and Silent Waves, 38000 Grenoble, France

  • Arpit Ranadive

    • Institut Neel
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France

  • Edgar Bonet

    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France
    • Université Grenoble Alpes, CNRS, Grenoble INP, Institut Néel

  • Eric Eyraud

    • Université Grenoble Alpes, CNRS, Grenoble INP, Institut Néel
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France

  • Nicolas Roch

    • Institut Neel
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France and Silent Waves, 38000 Grenoble, France
    • Institut Neel, Silent Waves
    • Institut Neel, CNRS, 38042 Grenoble, France
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel

  • Boran Kuzhan

    • Northwestern University, Evanston, USA
    • Northwestern University

  • Archana Kamal

    • Northwestern University
    • Northwestern University Evanston, University of Massachusetts Lowell
    • Northwestern University, Evanston, USA
    • University of Massachusetts

  • Luca Planat

    • Silent Waves
    • Silent Waves, 38000 Grenoble, France

  • Alexis Coissard

    • Silent Waves, 38000 Grenoble, France
    • Silent Waves

  View abstract →

• Theoretical investigation of JTWPAs containing several junctions per unit cell

  ORAL

  March 17, 2026, 3:54 PM – March 17, 2026, 4:06 PM

  Publication: Title: Performance enhancement in Josephson traveling-wave parametric amplifiers by tailoring the relative distance between junctions
  Journal: Physical Review Applied (accepted) DOI:10.1103/j2zsd2wh
  arXiv: 2509.07292

  Presenters

  • Marc A Gali Labarias

    • G-QuAT, AIST

  Authors

  • Marc A Gali Labarias

    • G-QuAT, AIST

  • Takahiro Yamada

    • G-QuAT, AIST

  • Yuki Nakashima

    • G-QuAT, AIST

  • Yoshiro Urade

    • G-QuAT, AIST

  • Joan Claramunt

    • Universitat Politecnica de Catalunya

  • Kunihiro Inomata

    • G-QuAT, AIST

  View abstract →

• Increased added noise in traveling-wave parametric amplifiers due to frequency conversion

  ORAL

  March 17, 2026, 4:06 PM – March 17, 2026, 4:18 PM

  Presenters

  • Christoph Kissling

    • Physikalisch-Technische Bundesanstalt

  Authors

  • Christoph Kissling

    • Physikalisch-Technische Bundesanstalt

  • Daniel Valenzuela

    • Physikalisch-Technische Bundesanstalt

  • Victor Gaydamachenko

    • Physikalisch-Technische Bundesanstalt

  • Judith Felgner

    • Physikalisch-Technische Bundesanstalt

  • Lukas Grünhaupt

    • Physikalisch-Technische Bundesanstalt

  View abstract →

• Front-induced frequency shifting of microwave pulses in Travelling-Wave Parametric Amplifiers

  ORAL

  March 17, 2026, 4:18 PM – March 17, 2026, 4:30 PM

  Presenters

  • Felix Ahrens

    • Fondazione Bruno Kessler
    • FBK - Fondazione Bruno Kessler

  Authors

  • Felix Ahrens

    • Fondazione Bruno Kessler
    • FBK - Fondazione Bruno Kessler

  • Enrico Bogoni

    • Fondazione Bruno Kessler
    • FBK - Fondazione Bruno Kessler

  • Giulio Cappelli

    • Université Grenoble Alpes, CNRS, Grenoble INP, Institut Néel
    • FBK - Fondazione Bruno Kessler
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France

  • Iacopo Carusotto

    • Istituto Nazionale di Ottica CNR-INO

  • Nicolò Crescini

    • Fondazione Bruno Kessler (FBK)
    • FBK - Fondazione Bruno Kessler

  • Alessandro Irace

    • Fondazione Bruno Kessler
    • FBK - Fondazione Bruno Kessler

  • Benno Margesin

    • Fondazione Bruno Kessler
    • FBK - Fondazione Bruno Kessler

  • Renato Mezzena

    • University of Trento

  • Gianluca Rastelli

    • Istituto Nazionale di Ottica CNR-INO

  • Andrea Vinante

    • Istituto di Fotonica e Nanotecnologie CNR - IFN

  • Federica Mantegazzini

    • FBK - Fondazione Bruno Kessler

  View abstract →

• Artificial Transmission Line Synthesis Tailored for Traveling-Wave Parametric Processes

  ORAL · Invited

  March 17, 2026, 4:30 PM – March 17, 2026, 5:06 PM

  Publication: M. Malnou, arXiv:2510.24753 (2025)

  Presenters

  • Maxime Malnou

    • University of Colorado Boulder, National Institute of Standards and Technology
    • National Institute of Standards and Technology

  Authors

  • Maxime Malnou

    • University of Colorado Boulder, National Institute of Standards and Technology
    • National Institute of Standards and Technology

  • Martin Ritter

    • NIST
    • University of Colorado Boulder, National Institute of Standards and Technology
    • University of Colorado, Boulder
    • University of Colorado Boulder, NIST Institute of Standards and Technology

  • Connor Denney

    • Colorado School of Mines
    • NIST

  • Kristen L Genter

    • University of Colorado Boulder, National Institute of Standards and Technology
    • University of Colorado, Boulder
    • University of Colorado Boulder, National Institute of Standards and Technology Boulder

  • Katarina Cicak

    • National Institute of Standards and Technology Boulder
    • National Institute of Standards and Technology
    • National Institute of Standards and Technology (NIST)

  • John D Teufel

    • National Institute of Standards and Technology, University of Colorado Boulder
    • National Institute of Standards and Technology Boulder

  • Florent Lecocq

    • National Institute of Standards and Technology, University of Colorado Boulder
    • National Institute of Standards and Technology
    • National Institute of Standards and Technology Boulder
    • National Institute of Standards and Technology, Boulder, Colorado 80305, USA
    • National Institute of Standards and Technology Boulder, University of Colorado Boulder

  • Jose A Aumentado

    • National Institute of Standards and Technology, University of Colorado Boulder
    • National Institute of Standards and Technology Boulder

  View abstract →

• Low loss resonant-phase-matched Josephson traveling wave parametric amplifier

  ORAL

  March 17, 2026, 5:06 PM – March 17, 2026, 5:18 PM

  Presenters

  • Hao Li

    • Federal Institute of Technology (EPFL)
    • EPFL
    • Ecole Polytechnique Federale de Lausanne (EPFL)

  Authors

  • Hao Li

    • Federal Institute of Technology (EPFL)
    • EPFL
    • Ecole Polytechnique Federale de Lausanne (EPFL)

  • Marco Scigliuzzo

    • Federal Institute of Technology (EPFL)
    • Ecole Polytechnique Federale de Lausanne
    • EPFL

  • Evgenii Guzovskii

    • Ecole Polytechnique Federale de Lausanne
    • EPFL
    • Ecole Polytechnique Federale de Lausanne (EPFL)

  • Tobias J. Kippenberg

    • EPFL, Switzerland
    • Federal Institute of Technology (EPFL)
    • Ecole Polytechnique Federale de Lausanne
    • EPFL
    • Swiss Federal Institute of Technology Lausanne (EPFL)
    • Ecole Polytechnique Federale de Lausanne (EPFL)

  View abstract →

• Qubit Readout with Integrated Traveling Wave Parametric Devices

  ORAL

  March 17, 2026, 5:18 PM – March 17, 2026, 5:30 PM

  Presenters

  • Andres Esteban Lombo

    • Massachusetts Institute of Technology

  Authors

  • Andres Esteban Lombo

    • Massachusetts Institute of Technology

  • Kaidong Peng

    • Massachusetts Institute of Technology

  • Jennifer Wang

    • Massachusetts Institute of Technology

  • Alec Yen

    • Massachusetts Institute of Technology

  • Eric Q Bui

    • Massachusetts Institute of Technology

  • Kevin P O'Brien

    • Massachusetts Institute of Technology

  View abstract →

• Single-shot qubit state readout using JTWPA idler mode: experiments and applications

  ORAL

  March 17, 2026, 5:30 PM – March 17, 2026, 5:42 PM

  Presenters

  • Javier Navarro Montilla

    • National Quantum Computing Centre, UK

  Authors

  • Javier Navarro Montilla

    • National Quantum Computing Centre, UK

  • Aneirin John Baker

    • National Quantum Computing Centre

  • Narendra Acharya

    • National Quantum Computing Centre

  • Vivek Chidambaram

    • National Quantum Computing Centre

  View abstract →

• Travelling Wave Parametric Amplifiers At Utility Scale

  ORAL

  March 17, 2026, 5:42 PM – March 17, 2026, 5:54 PM

  Presenters

  • Michael Selvanayagam

    • IBM Quantum

  Authors

  • Michael Selvanayagam

    • IBM Quantum

  • Ruichen Zhao

    • IBM Quantum

  • Shayne Cairns

    • IBM Quantum

  • Denny Bosch

    • IBM Quantum

  • Cheng Tan

    • IBM Quantum

  • Oblesh Jinka

    • IBM Quantum

  • Jae-woong Nah

    • IBM Quantum

  • Vincent Arena

    • IBM Quantum

  • David Lokken-Toyli

    • IBM Quantum

  • Ricardo Donaton

    • IBM Quantum

  • Corrado Mancini

    • IBM Quantum

  View abstract →

• Optimizing TWPA pump conditions for Multiplexed Readout

  ORAL

  March 17, 2026, 5:54 PM – March 17, 2026, 6:06 PM

  Presenters

  • Jeongwon Kim

    • Quantum Machines

  Authors

  • Jeongwon Kim

    • Quantum Machines

  • Wei Dai

    • Quantum Machines

  • Akiva Feintuch

    • Quantum Machines

  • Akiva Feintuch

    • Quantum Machines

  • Omrie Ovdat

    • Technion - Israel Institute of Technology

  • Nir Alfasi

    • Quantum Machines

  • Yonuk Chong

    • Sungkyunkwan University

  View abstract →

• Isolator-free, near-quantum-limited qubit readout using the Traveling Wave Parametric Amplifier Isolator

  ORAL

  March 17, 2026, 6:06 PM – March 17, 2026, 6:18 PM

  Presenters

  • Nicolas Roch

    • Institut Neel
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France and Silent Waves, 38000 Grenoble, France
    • Institut Neel, Silent Waves
    • Institut Neel, CNRS, 38042 Grenoble, France
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel

  Authors

  • Bekim Fazliji

    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel
    • Institut Neel, Silent Waves

  • Vishnu Narayanan Suresh

    • Institut Néel
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel
    • Institut Neel, CNRS, 38042 Grenoble, France

  • Arpit Ranadive

    • Institut Neel
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France

  • Gwenael Le Gal

    • Institut Néel
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France
    • Université Grenoble Alpes, CNRS, Grenoble INP, Institut Néel

  • Giulio Cappelli

    • Université Grenoble Alpes, CNRS, Grenoble INP, Institut Néel
    • FBK - Fondazione Bruno Kessler
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France

  • Waël Ardati

    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel
    • Institut Neel, CNRS, 38042 Grenoble, France

  • Luca Planat

    • Silent Waves
    • Silent Waves, 38000 Grenoble, France

  • Quentin Ficheux

    • University of Maryland, College Park
    • Université Grenoble Alpes, CNRS, Grenoble INP, Institut Néel
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel
    • Institut Neel, CNRS, 38042 Grenoble, France

  • Nicolas Roch

    • Institut Neel
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel, 38000 Grenoble, France and Silent Waves, 38000 Grenoble, France
    • Institut Neel, Silent Waves
    • Institut Neel, CNRS, 38042 Grenoble, France
    • Univ. Grenoble Alpes, CNRS, Grenoble INP, Institut Néel

  View abstract →