Ideal Two-Mode Phase Sensitive Quantum Amplifier: Experiment

ORAL

Abstract

Josephson parametric amplifiers, although nearly quantum limited, typically operate in reflection and have a fixed gain-bandwidth product. Recently, there have been both theoretical and experimental efforts to address these shortcomings by combining multiple parametric processes within a single multimode device. In this presentation, we focus on using multiple parametric processes to couple two modes of a Josephson Parametric Converter. We will present data which uses paired, detuned gain processes as well as two separate methods of combining gain and photon conversion, all in the same physical device. All three schemes avoid the fixed gain-bandwidth product of a singly pumped JPC. We will examine their relative bandwidth, efficiency, and saturation power, as well as the prospects for adding further couplings to a third mode to generate directional amplification.

*Work supported by: ARO, NSF, and the Kauffman foundation

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Presenters

  • Olivia Lanes

    • University of Pittsburgh
    • Department of Physics and Astronomy, University of Pittsburgh

Authors

  • Olivia Lanes

    • University of Pittsburgh
    • Department of Physics and Astronomy, University of Pittsburgh

  • Tzu-Chiao Chien

    • University of Pittsburgh
    • Department of Physics and Astronomy, University of Pittsburgh
    • Physics and Astronomy, University of Pittsburgh

  • Xi Cao

    • University of Pittsburgh
    • Department of Physics and Astronomy, University of Pittsburgh
    • Physics and Astronomy, University of Pittsburgh

  • Gangqiang Liu

    • University of Pittsburgh
    • Department of Physics and Astronomy, University of Pittsburgh
    • Physics and Astronomy, University of Pittsburgh

  • Chenxu Liu

    • University of Pittsburgh
    • Department of Physics and Astronomy, University of Pittsburgh

  • David Pekker

    • University of Pittsburgh
    • Department of Physics and Astronomy, University of Pittsburgh
    • Physics and Astronomy, University of Pittsburgh

  • Anja Metelmann

    • Physics, Freie Universitaet Berlin
    • Dahlem Center for Complex Quantum Systems and Department of Physics, Free University Berlin
    • Princeton University
    • Physics, Free University Berlin

  • Aashish Clerk

    • Institute for Molecular Engineering, University Of Chicago
    • Molecular Engineering, Institute for Molecular Engineering at the University of Chicago
    • Institute for Molecular Engineering, University of Chicago
    • University of Chicago

  • Jose Aumentado

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

  • Michael Hatridge

    • University of Pittsburgh
    • Department of Physics and Astronomy, University of Pittsburgh
    • Physics and Astronomy, University of Pittsburgh