Relaxation and coherence times of the quantronium, a Josephson Quantum Bit (qubit), as a function of its operating point have been measured. Several coherence times are obtained from complementary techniques such as resonance linewidth, Ramsey fringes, detuning pulse, or spin-echo measurements. We find we can explain their variations by a simple model involving modified l/f charge and phase noise spectral densities. © 2006 Springer Science+Business Media, Inc.
CITATION STYLE
Ithier, G., Collin, E., Joyez, P., Meeson, P. J., Vion, D., Esteve, D., … Schön, G. (2006). Decoherence of a josephson quantum bit during its free evolution: The quantronium. In Quantum Computing in Solid State Systems (pp. 1–9). Springer New York. https://doi.org/10.1007/0-387-31143-2_1
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