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SKIFFS: Superconducting Kinetic Inductance Field-Frequency Sensors for Sensitive Magnetometry in Moderate Background Magnetic Fields
A. T. Asfaw, E. I. Kleinbaum, T. M. Hazard +3
We describe sensitive magnetometry using lumped-element resonators fabricated from a superconducting thin film of NbTiN. Taking advantage of the large kinetic inductance of the sup…
Transport Measurements of Surface Electrons in 200 nm Deep Helium-Filled Microchannels Above Amorphous Metallic Electrodes
A. T. Asfaw, E. I. Kleinbaum, M. D. Henry +2
We report transport measurements of electrons on helium in a microchannel device where the channels are 200 nm deep and 3 m wide. The channels are fabricated above amorphous met…
Nanowire Superinductance Fluxonium Qubit
T. M. Hazard, András Gyenis, A. Di Paolo +4
We characterize a fluxonium qubit consisting of a Josephson junction inductively shunted with a NbTiN nanowire superinductance. We explain the measured energy spectrum by means of…