Protecting superconducting qubits from radiation

We characterize a superconducting qubit before and after embedding it along with its package in an absorptive medium. We observe a drastic improvement in the effective qubit temperature and over a tenfold improvement in the relaxation time up to 5.7 μ s. Our results suggest the presence of external...

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Veröffentlicht in:	Applied physics letters 2011-10, Vol.99 (18), p.181906-181906-3
Hauptverfasser:	Córcoles, Antonio D., Chow, Jerry M., Gambetta, Jay M., Rigetti, Chad, Rozen, J. R., Keefe, George A., Beth Rothwell, Mary, Ketchen, Mark B., Steffen, M.
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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