Granular Aluminum Meandered Superinductors for Quantum Circuits

Plamen Kamenov; Wen Sen Lu; Konstantin Kalashnikov; Thomas Dinapoli; Matthew T. Bell; Michael E. Gershenson

doi:10.1103/PhysRevApplied.13.054051

Granular Aluminum Meandered Superinductors for Quantum Circuits

Plamen Kamenov
, Wen Sen Lu
, Konstantin Kalashnikov
, Thomas Dinapoli
, Matthew T. Bell
, Michael E. Gershenson

Engineering

Rutgers - The State University of New Jersey, New Brunswick

Research output: Contribution to journal › Article › peer-review

Abstract

We design superinductors made of strongly disordered superconductors for implementation in "hybrid" superconducting quantum circuits. The superinductors are fabricated as meandered nanowires made from granular aluminum films. Optimization of the device geometry enables the realization of superinductors with an inductance of approximately 1 μH and a self-resonance frequency of over 3 GHz. These compact superinductors are attractive for a wide range of applications, from superconducting circuits for quantum computing to microwave elements of cryogenic parametric amplifiers and kinetic inductance photon detectors.

Original language	English
Article number	054051
Journal	Physical Review Applied
Volume	13
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevApplied.13.054051
State	Published - May 2020

ASJC Scopus Subject Areas

General Physics and Astronomy

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10.1103/PhysRevApplied.13.054051

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title = "Granular Aluminum Meandered Superinductors for Quantum Circuits",

abstract = "We design superinductors made of strongly disordered superconductors for implementation in {"}hybrid{"} superconducting quantum circuits. The superinductors are fabricated as meandered nanowires made from granular aluminum films. Optimization of the device geometry enables the realization of superinductors with an inductance of approximately 1 μH and a self-resonance frequency of over 3 GHz. These compact superinductors are attractive for a wide range of applications, from superconducting circuits for quantum computing to microwave elements of cryogenic parametric amplifiers and kinetic inductance photon detectors.",

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AU - Kamenov, Plamen

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AU - Kalashnikov, Konstantin

AU - Dinapoli, Thomas

AU - Bell, Matthew T.

AU - Gershenson, Michael E.

PY - 2020/5

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AB - We design superinductors made of strongly disordered superconductors for implementation in "hybrid" superconducting quantum circuits. The superinductors are fabricated as meandered nanowires made from granular aluminum films. Optimization of the device geometry enables the realization of superinductors with an inductance of approximately 1 μH and a self-resonance frequency of over 3 GHz. These compact superinductors are attractive for a wide range of applications, from superconducting circuits for quantum computing to microwave elements of cryogenic parametric amplifiers and kinetic inductance photon detectors.

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Granular Aluminum Meandered Superinductors for Quantum Circuits

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