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Vijay, R; Slichter, D H; Siddiqi, I
Physical review letters, 03/2011, Letnik: 106, Številka: 11Journal Article
We continuously measure the state of a superconducting quantum bit coupled to a microwave readout cavity by using a fast, ultralow-noise parametric amplifier. This arrangement allows us to observe quantum jumps between the qubit states in real time, and should enable quantum error correction and feedback--essential components of quantum information processing.
