4 papers · 1 filter
A Traveling-Wave Parametric Amplifier and Converter
M. Malnou, B. T. Miller, J. A. Estrada +5
High-fidelity qubit measurement is a critical element of all quantum computing architectures. In superconducting systems, qubits are typically measured by probing a readout resonat…
A Traveling-Wave Parametric Amplifier With Integrated Diplexers
C. Denney, K. Genter, K. Cicak +4
Traveling-Wave Parametric Amplifiers (TWPAs) are ubiquitous in superconducting circuit readout, providing high gain with near-quantum-limited noise performance across a wide bandwi…
Localized quasiparticles in a fluxonium with quasi-two-dimensional amorphous kinetic inductors
Trevyn F. Q. Larson, Sarah Garcia Jones, Tamás Kalmár +10
Disordered superconducting materials with high kinetic inductance are an important resource to generate nonlinearity in quantum circuits and create high-impedance environments. In…
Simple, High Saturation Power, Quantum-limited, RF SQUID Array-based Josephson Parametric Amplifiers
Ryan Kaufman, Chenxu Liu, Katarina Cicak +7
High-fidelity quantum non-demolition qubit measurement is critical to error correction and rapid qubit feedback in large-scale quantum computing. High-fidelity readout requires pas…