Experimental demonstration of an oscillator stabilized Josephson flux qubit

Experimental demonstration of an oscillator stabilized Josephson flux qubit

We experimentally demonstrate the use of a superconducting transmission line, shorted at both ends, to stabilize the operation of a tunable flux qubit. Using harmonic-oscillator stabilization and pulsed dc operation, we have observed Larmor oscillations with a single shot visibility of 90%. In anoth...

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Veröffentlicht in:Physical review letters 2006-03, Vol.96 (12), p.127001-127001, Article 127001
Hauptverfasser: Koch, R H, Keefe, G A, Milliken, F P, Rozen, J R, Tsuei, C C, Kirtley, J R, DiVincenzo, D P
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Sprache:eng
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Zusammenfassung:We experimentally demonstrate the use of a superconducting transmission line, shorted at both ends, to stabilize the operation of a tunable flux qubit. Using harmonic-oscillator stabilization and pulsed dc operation, we have observed Larmor oscillations with a single shot visibility of 90%. In another qubit, the visibility was 60% and there was no measurable visibility reduction after 35 ns.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.96.127001