Encoding quantum information into a set of harmonic oscillators is considered a hardware
efficient approach to mitigate noise for reliable quantum information processing. Various …

The ac Josephson effect predicted in 1962 and observed experimentally in 1963 as
quantized 'voltage steps'(the Shapiro steps) from photon-assisted tunnelling of Cooper pairs …

Great interest revolves around the development of new strategies to efficiently store and
manipulate quantum information in a robust and decoherence-free fashion. Several …

We develop and characterize a symmetry-protected superconducting qubit that offers
simultaneous exponential suppression of energy decay from charge and flux noises, and …

Superconducting thin films with high intrinsic kinetic inductance are of great importance for
photon detectors, achieving strong coupling in hybrid systems, and protected qubits. We …

Mesoscopic Josephson junctions, consisting of overlapping superconducting electrodes
separated by a nanometre-thin oxide layer, provide a precious source of nonlinearity for …

We characterize niobium nitride (NbN) λ/2 coplanar waveguide resonators, which were
fabricated from a 10-nm-thick film on silicon dioxide grown by sputter deposition. For films …

We have studied superconducting coplanar-waveguide (CPW) resonators fabricated from
disordered films of aluminum. The very high kinetic inductance of these films, inherent to …

Phase slips occur across all Josephson junctions (JJs) at a rate that increases with the
impedance of the junction. In superconducting qubits composed of JJ-array superinductors …

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