Granular Aluminum Meandered Superinductors for Quantum Circuits
Plamen Kamenov, Wen-Sen Lu, K. V. Kalashnikov, Thomas J. DiNapoli, M. T. Bell, M. E. Gershenson
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 $\ensuremath{\mu}\mathrm{H}$ 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.
Topics & Concepts
Kinetic inductanceSuperconductivityElectronic circuitMicrowaveInductanceNanowireRealization (probability)QuantumAmplifierPhysicsOptoelectronicsPhotonParametric statisticsCondensed matter physicsMaterials scienceOpticsQuantum mechanicsCMOSMathematicsVoltageStatisticsSuperconducting and THz Device TechnologyPhysics of Superconductivity and MagnetismQuantum and electron transport phenomena