59 citations · 82 across the 2 of their papers we have counts for
7 papers
Operating in a deep underground facility improves the locking of gradiometric fluxonium qubits at the sweet spots
Daria Gusenkova, Francesco Valenti, Martin Spiecker +14
We demonstrate flux-bias locking and operation of a gradiometric fluxonium artificial atom using two symmetric granular aluminum (grAl) loops to implement the superinductor. The gr…
Subgap kinetic inductance detector sensitive to 85-GHz radiation
F. Levy-Bertrand, A. Benoît, O. Bourrion +8
We have fabricated an array of subgap kinetic inductance detectors (SKIDs) made of granular aluminum (2~K) sensitive in the 80-90 GHz frequency band and operating at 300~m…
Superconducting granular aluminum resonators resilient to magnetic fields up to 1 Tesla
K. Borisov, D. Rieger, P. Winkel +8
High kinetic inductance materials constitute a valuable resource for superconducting quantum circuits and hybrid architectures. Superconducting granular aluminum (grAl) reaches kin…
Phonon traps reduce the quasiparticle density in superconducting circuits
Fabio Henriques, Francesco Valenti, Thibault Charpentier +14
Out of equilibrium quasiparticles (QPs) are one of the main sources of decoherence in superconducting quantum circuits, and are particularly detrimental in devices with high kineti…
Electrodynamics of granular aluminum from superconductor to insulator: observation of collective superconducting modes
F. Levy-Bertrand, T. Klein, T. Grenet +14
We report on a detailed study of the optical response and phase diagram ( being the superconducting critical temperature and the normal state resistivity of the fi…
Interplay between kinetic inductance, non-linearity and quasiparticle dynamics in granular aluminum MKIDs
Francesco Valenti, Fábio Henriques, Gianluigi Catelani +13
Microwave kinetic inductance detectors (MKIDs) are thin film, cryogenic, superconducting resonators. Incident Cooper pair-breaking radiation increases their kinetic inductance, the…