Flux qubits with long coherence times for hybrid quantum circuits.
Phys Rev Lett
; 113(12): 123601, 2014 Sep 19.
Article
en En
| MEDLINE
| ID: mdl-25279628
ABSTRACT
We present measurements of superconducting flux qubits embedded in a three dimensional copper cavity. The qubits are fabricated on a sapphire substrate and are measured by coupling them inductively to an on-chip superconducting resonator located in the middle of the cavity. At their flux-insensitive point, all measured qubits reach an intrinsic energy relaxation time in the 6-20 µs range and a pure dephasing time comprised between 3 and 10 µs. This significant improvement over previous works opens the way to the coherent coupling of a flux qubit to individual spins.
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01-internacional
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MEDLINE
Idioma:
En
Revista:
Phys Rev Lett
Año:
2014
Tipo del documento:
Article
País de afiliación:
Francia