Engineering high-coherence superconducting qubits
I Siddiqi - Nature Reviews Materials, 2021 - nature.com
Advances in materials science and engineering have played a central role in the
development of classical computers and will undoubtedly be critical in propelling the …
development of classical computers and will undoubtedly be critical in propelling the …
Noise-resilient edge modes on a chain of superconducting qubits
Inherent symmetry of a quantum system may protect its otherwise fragile states. Leveraging
such protection requires testing its robustness against uncontrolled environmental …
such protection requires testing its robustness against uncontrolled environmental …
Coherent manipulation of an Andreev spin qubit
Two promising architectures for solid-state quantum information processing are based on
electron spins electrostatically confined in semiconductor quantum dots and the collective …
electron spins electrostatically confined in semiconductor quantum dots and the collective …
Reducing the impact of radioactivity on quantum circuits in a deep-underground facility
L Cardani, F Valenti, N Casali, G Catelani… - Nature …, 2021 - nature.com
As quantum coherence times of superconducting circuits have increased from nanoseconds
to hundreds of microseconds, they are currently one of the leading platforms for quantum …
to hundreds of microseconds, they are currently one of the leading platforms for quantum …
Coherent manipulation of Andreev states in superconducting atomic contacts
Coherent control of quantum states has been demonstrated in a variety of superconducting
devices. In all of these devices, the variables that are manipulated are collective …
devices. In all of these devices, the variables that are manipulated are collective …
Direct microwave measurement of Andreev-bound-state dynamics in a semiconductor-nanowire Josephson junction
The modern understanding of the Josephson effect in mesosopic devices derives from the
physics of Andreev bound states, fermionic modes that are localized in a superconducting …
physics of Andreev bound states, fermionic modes that are localized in a superconducting …
Loss mechanisms and quasiparticle dynamics in superconducting microwave resonators made of thin-film granular aluminum
Superconducting high kinetic inductance elements constitute a valuable resource for
quantum circuit design and millimeter-wave detection. Granular aluminum (grAl) in the …
quantum circuit design and millimeter-wave detection. Granular aluminum (grAl) in the …
Measurement and control of quasiparticle dynamics in a superconducting qubit
Superconducting circuits have attracted growing interest in recent years as a promising
candidate for fault-tolerant quantum information processing. Extensive efforts have always …
candidate for fault-tolerant quantum information processing. Extensive efforts have always …
Coexistence of nonequilibrium density and equilibrium energy distribution of quasiparticles in a superconducting qubit
The density of quasiparticles typically observed in superconducting qubits exceeds the
value expected in equilibrium by many orders of magnitude. Can this out-of-equilibrium …
value expected in equilibrium by many orders of magnitude. Can this out-of-equilibrium …
Non-poissonian quantum jumps of a fluxonium qubit due to quasiparticle excitations
As the energy relaxation time of superconducting qubits steadily improves, nonequilibrium
quasiparticle excitations above the superconducting gap emerge as an increasingly relevant …
quasiparticle excitations above the superconducting gap emerge as an increasingly relevant …