Kinetic Inductance Measurement of Niobium Diselenide (NbSe<sub>2</sub>) using MicrowaveTechniques

ORAL

Abstract

Superconductors with high kinetic inductance at microwave frequencies can suppress charge fluctuations in quantum circuits. This property provides a platform for creating the so-called protected qubits such as fluxonium and zero-pi qubits as well as other quantum devices. In this experiment, we measure the kinetic inductance of thin (thickness <10 nm) NbSe2, a van der Waals superconductor, by using circuit quantum electrodynamics (cQED) architecture. Thin NbSe2 flakes, entirely encapsulated by hexagonal boron nitride (hBN), have been incorporated into a superconducting coplanar resonator. By measuring the resonance characteristics of this resonator in the low-temperature, low-photon number limit, we extract the kinetic inductance and the quality factor of this 2D crystalline superconductor. Our approach can be applied to study a wide variety of 2D superconductors relevant to constructing high coherence superconducting quantum circuits.

*This research was funded in part by the US Army Research Office grant no. W911NF-2210023, by the National Science Foundation QII-TAQS grant no. OMA-1936263, and by the Under Secretary of Defense for Research and Engineering under Air Force Contract No. FA8702-15-D-0001. The views and conclusions contained herein are those of the authors and should not be interpreted as necessarily representing the official policies or endorsements, either expressed or implied, of the USDR&E, ARO, or NSF.

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Presenters

  • Sameia Zaman

    • Massachusetts Institute of Technology MIT

Authors

  • Sameia Zaman

    • Massachusetts Institute of Technology MIT

  • Miuko Tanaka

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

  • Joel I Wang

    • Massachusetts Institute of Technology MIT
    • Massachusetts Institute of Technology

  • Thao H Dinh

    • Massachusetts Institute of Technology MIT
    • Harvard University

  • Max Hays

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

  • Daniel Rodan-Legrain

    • Massachusetts Institute of Technology MIT

  • David K Kim

    • MIT Lincoln Lab
    • MIT Lincoln Laboratory

  • Alexander Melville

    • MIT Lincoln Laboratory

  • Bethany M Niedzielski

    • MIT Lincoln Lab
    • MIT Lincoln Laboratory

  • Kyle Serniak

    • MIT Lincoln Laboratory

  • Mollie E Schwartz

    • MIT Lincoln Laboratory

  • Jonilyn L Yoder

    • MIT Lincoln Lab
    • MIT Lincoln Laboratory

  • Kenji Watanabe

    • National Institute for Materials Science
    • Research Center for Functional Materials, National Institute of Materials Science
    • Research Center for Functional Materials, National Institute for Materials Science, 1-1 Namiki, Tsukuba 305-044, Japan
    • NIMS
    • Research Center for Functional Materials, National Institute for Materials Science
    • National Institute for Materials Science, Japan
    • Research Center for Functional Materials, National Institute for Materials Science, Tsukuba, Japan
    • NIMS Japan

  • Takashi Taniguchi

    • National Institute for Materials Science
    • Kyoto University

  • Terry P Orlando

    • Massachusetts Institute of Technology MIT
    • Massachusetts Institute of Technology

  • Jeffrey A Grover

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

  • Simon Gustavsson

    • Massachusetts Institute of Technology MIT
    • Massachusetts Institute of Technology

  • Pablo Jarillo-Herrero

    • Massachusetts Institute of Technology MIT

  • William D Oliver

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