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Multi-stage Quantum Amplifier Readout Chain
Logan Howe, Andrea Giachero, Michael Vissers +5
Multi-stage cryogenic readout chains with a wide bandwidth and added noise within a few quanta of the quantum limit are frequently constructed using traveling-wave parametric ampli…
Compact Superconducting Kinetic Inductance Traveling Wave Parametric Amplifiers with On-chip rf Components
Logan Howe, Andrea Giachero, Michael Vissers +4
Quantum computing systems and fundamental physics experiments using superconducting technologies frequently require signal amplification chains operating near the quantum limit of…
Kinetic inductance traveling wave amplifier designs for practical microwave readout applications
A. Giachero, M. Vissers, J. Wheeler +6
A Kinetic Inductance Traveling Wave amplifier (KIT) utilizes the nonlinear kinetic inductance of superconducting films, particularly Niobium Titanium Nitride (NbTiN), for parametri…
Performance of a Kinetic-Inductance Traveling-Wave Parametric Amplifier at 4 Kelvin: Toward an Alternative to Semiconductor Amplifiers
M. Malnou, J. Aumentado, M. R. Vissers +4
Most microwave readout architectures in quantum computing or sensing rely on a semiconductor amplifier at 4 K, typically a high-electron mobility transistor (HEMT). Despite its rem…
A three-wave mixing kinetic inductance traveling-wave amplifier with near-quantum-limited noise performance
M. Malnou, M. R. Vissers, J. D. Wheeler +4
We present a theoretical model and experimental characterization of a microwave kinetic inductance traveling-wave amplifier (KIT), whose noise performance, measured by a shot-noise…
Broadband parametric amplifiers based on nonlinear kinetic inductance artificial transmission lines
Saptarshi Chaudhuri, Dale Li, Kent Irwin +5
We present broadband parametric amplifiers based on the kinetic inductance of superconducting NbTiN thin films in an artificial (lumped-element) transmission line architecture. We…