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Hybrid quantum circuit with a superconducting qubit coupled to a spin ensemble.
Kubo, Y; Grezes, C; Dewes, A; Umeda, T; Isoya, J; Sumiya, H; Morishita, N; Abe, H; Onoda, S; Ohshima, T; Jacques, V; Dréau, A; Roch, J-F; Diniz, I; Auffeves, A; Vion, D; Esteve, D; Bertet, P.
Afiliação
  • Kubo Y; Quantronics group, SPEC (CNRS URA 2464), IRAMIS, DSM, CEA-Saclay, 91191 Gif-sur-Yvette, France.
Phys Rev Lett ; 107(22): 220501, 2011 Nov 25.
Article em En | MEDLINE | ID: mdl-22182018
We report the experimental realization of a hybrid quantum circuit combining a superconducting qubit and an ensemble of electronic spins. The qubit, of the transmon type, is coherently coupled to the spin ensemble consisting of nitrogen-vacancy centers in a diamond crystal via a frequency-tunable superconducting resonator acting as a quantum bus. Using this circuit, we prepare a superposition of the qubit states that we store into collective excitations of the spin ensemble and retrieve back into the qubit later on. These results constitute a proof of concept of spin-ensemble based quantum memory for superconducting qubits.
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Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2011 Tipo de documento: Article
Buscar no Google
Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2011 Tipo de documento: Article