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Geometric Scaling of Two-Level-System Loss in Superconducting Resonators
David Niepce, Jonathan Burnett, Martí Gutierrez Latorre +1
We perform an experimental and numerical study of dielectric loss in superconducting microwave resonators at low temperature. Dielectric loss, due to two-level systems, is a limiti…
On the Angular Dependence of InP High Electron Mobility Transistors for Cryogenic Low Noise Amplifiers in a Magnetic Field
Isabel Harrysson Rodrigues, David Niepce, Arsalan Pourkabirian +4
The InGaAs-InAlAs-InP high electron mobility transistor (InP HEMT) is the preferred active device used in a cryogenic low noise amplifier (LNA) for sensitive detection of microwave…
Decoherence benchmarking of superconducting qubits
Jonathan Burnett, Andreas Bengtsson, Marco Scigliuzzo +4
We benchmark the decoherence of superconducting qubits to examine the temporal stability of energy-relaxation and dephasing. By collecting statistics during measurements spanning m…