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4 papers · 1 filter
Relaxation and Dephasing in a Flux-qubit
P. Bertet, I. Chiorescu, G. Burkard +4
We report detailed measurements of the relaxation and dephasing time in a flux-qubit measured by a switching DC SQUID. We studied their dependence on the two important circuit bias…
Quantum state detection of a superconducting flux qubit using a DC-SQUID in the inductive mode
A. Lupascu, C. J. P. M. Harmans, J. E. Mooij
We present a readout method for superconducting flux qubits. The qubit quantum flux state can be measured by determining the Josephson inductance of an inductively coupled DC super…
Coherent dynamics of a flux qubit coupled to a harmonic oscillator
I. Chiorescu, P. Bertet, K. Semba +3
In the emerging field of quantum computation and quantum information, superconducting devices are promising candidates for the implementation of solid-state quantum bits or qubits.…
Detection of a persistent-current qubit by resonant activation
P. Bertet, I. Chiorescu, K. Semba +2
We present the implementation of a new scheme to detect the quantum state of a persistent-current qubit. It relies on the dependency of the measuring Superconducting Quantum Interf…