Fragility of flux qubits against quasiparticle tunneling

Vanishing quasiparticle density in a hybrid Al/Cu/Al single-electron transistor

(2012) O.-P. Saira et al.   PHYSICAL REVIEW B

Minimizing quasiparticle generation from stray infrared light in superconducting quantum circuits

(2011) R. Barends et al.   APPLIED PHYSICS LETTERS

Quantum annealing with manufactured spins

(2011) M. W. Johnson et al.   NATURE

Noise spectroscopy through dynamical decoupling with a superconducting flux qubit

(2011) Jonas Bylander et al.   Nature Physics

Phase-dependent quasiparticle tunneling in Josephson junctions: Measuring thecosφterm with a superconducting charge qubit

(2011) Juha Leppäkangas et al.   PHYSICAL REVIEW B

Charge transport through ultrasmall single and double Josephson junctions coupled to resonant modes of the electromagnetic environment

(2011) Yu. A. Pashkin et al.   PHYSICAL REVIEW B

Relaxation and frequency shifts induced by quasiparticles in superconducting qubits

(2011) G. Catelani et al.   PHYSICAL REVIEW B

Measurement of energy decay in superconducting qubits from nonequilibrium quasiparticles

(2011) M. Lenander et al.   PHYSICAL REVIEW B

Are “Pinholes” the Cause of Excess Current in Superconducting Tunnel Junctions? A Study of Andreev Current in Highly Resistive Junctions

(2011) Tine Greibe et al.   PHYSICAL REVIEW LETTERS

Quasiparticle Relaxation of Superconducting Qubits in the Presence of Flux

(2011) G. Catelani et al.   PHYSICAL REVIEW LETTERS

Observation of High Coherence in Josephson Junction Qubits Measured in a Three-Dimensional Circuit QED Architecture

(2011) Hanhee Paik et al.   PHYSICAL REVIEW LETTERS

Superconducting phase qubit based on the Josephson oscillator with strong anharmonicity

(2010) A. B. Zorin et al.   PHYSICAL REVIEW B

Effect of quasiparticles injection on the ac response of a superconductor

(2010) G. Catelani et al.   PHYSICAL REVIEW B

High-Coherence Hybrid Superconducting Qubit

(2010) Matthias Steffen et al.   PHYSICAL REVIEW LETTERS

Environment-Assisted Tunneling as an Origin of the Dynes Density of States

(2010) J. P. Pekola et al.   PHYSICAL REVIEW LETTERS

Spectral measurement of the thermal excitation of a superconducting qubit

(2009) A Palacios-Laloy et al.   PHYSICA SCRIPTA

Energy Decay in Superconducting Josephson-Junction Qubits from Nonequilibrium Quasiparticle Excitations

(2009) John M. Martinis et al.   PHYSICAL REVIEW LETTERS

Fluxonium: Single Cooper-Pair Circuit Free of Charge Offsets

(2009) V. E. Manucharyan et al.   SCIENCE

Kinetics of nonequilibrium quasiparticle tunneling in superconducting charge qubits

(2008) M. D. Shaw et al.   PHYSICAL REVIEW B