… of several kinds of superconducting qubits. Furthermore, coupling between qubits has been
successfully achieved that was followed by the construction of multiple-qubit logic gates and …

… For the implementation of real quantum algorithms, several hurdles must still be cleared,
such as increasing the number of qubits and their coherence times. Equally important, however, …

… a novel tunable coupling circuit that allows superconducting qubits to be coupled over long
… Since the fidelity of gate operations is limited by qubit coherence times [10], we want to …

… as atoms or nuclear spins, superconducting qubit circuits can be made to interact … coherent
transitions between the qubit states [6], [14], [15]. We now turn to the issue of qubit coherence…

… The main intrinsic limitation on the coherence of superconducting qubits results from low-frequency
noise, notably '1/f noise' (in which the spectral density of the noise at low frequency f …

… where the qubit couples … superconducting qubits,5–11 and therefore, the pulse sequences
proposed in this work should be useful in restoring coherence in solid state superconducting …

… tunable flux qubits inductively coupled to a coplanar waveguide resonator fabricated on a
sapphire substrate. Each qubit includes an asymmetric superconducting quantum interference …

… We show that the modulated system remains quantum coherent, with modified transition …
in the context of superconducting qubits. We consider a transmon qubit whose energy splitting …

… a time-bin photonic qubit to a transmon qubit. Recent advances in … nodes incorporating
cavity-coupled superconducting qubits. … In summary, we proposed a device realizing coherent …

… also achieve similar coherence times; using standard results for the coherence time of a
particle coupled to a dissipative environment [20], we estimate the quantum-coherence time of …