Quantum computation with Josephson qubits using a current-biased information bus
Quantum computation with Josephson qubits using a current-biased information bus
We propose an effective scheme for manipulating quantum information stored in a superconducting nanocircuit. The Josephson qubits are coupled via their separate interactions with an information bus, a large current-biased Josephson junction treated as an oscillator with adjustable frequency. The bus is sequentially coupled to only one qubit at a …