During the last ten years, superconducting circuits have passed from being interesting
physical devices to becoming contenders for near-future useful and scalable quantum …

Superconducting circuits are macroscopic in size but have generic quantum properties such
as quantized energy levels, superposition of states, and entanglement, all of which are more …

Remarkable progress towards realizing quantum computation has been achieved using
natural and artificial atoms as qubits. This paper presents a brief overview of the current …

As with classical information processing, a quantum information processor requires bits
(qubits) that can be independently addressed and read out, long-term memory elements to …

A superconducting chip containing a regular array of flux qubits, tunable interqubit inductive
couplers, an XY-addressable readout system, on-chip programmable magnetic memory …

To do large-scale quantum information processing, it is necessary to control the interactions
between individual qubits while retaining quantum coherence. To this end, superconducting …

Quantum computation requires quantum logic gates that use the interaction within pairs of
quantum bits (qubits) to perform conditional operations. Superconducting qubits may offer …

A flux qubit can have a relatively long decoherence time at the degeneracy point, but away
from this point the decoherence time is greatly reduced by dephasing. This limits the …

A rf–superconducting quantum interference device (SQUID) flux qubit that is robust against
fabrication variations in Josephson-junction critical currents and device inductance has …

We discuss the implementation of an iterative quantum phase estimation algorithm with a
single ancillary qubit. We suggest using this algorithm as a benchmark for multiqubit …