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Spectroscopy of superconducting charge qubits coupled by a Josephson inductance

Research output: Contribution to Journal/Magazine › Journal article › peer-review

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Spectroscopy of superconducting charge qubits coupled by a Josephson inductance. / Yamamoto, T.; Watanabe, M.; You, J. Q. et al.
In: Physical review B, Vol. 77, No. 6, 064505, 02.2008, p. -.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

Yamamoto, T, Watanabe, M, You, JQ, Pashkin, Y, Astafiev, O, Nakamura, Y, Nori, F & Tsai, JS 2008, 'Spectroscopy of superconducting charge qubits coupled by a Josephson inductance', Physical review B, vol. 77, no. 6, 064505, pp. -. https://doi.org/10.1103/PhysRevB.77.064505

APA

Yamamoto, T., Watanabe, M., You, J. Q., Pashkin, Y., Astafiev, O., Nakamura, Y., Nori, F., & Tsai, J. S. (2008). Spectroscopy of superconducting charge qubits coupled by a Josephson inductance. Physical review B, 77(6), -. Article 064505. https://doi.org/10.1103/PhysRevB.77.064505

Vancouver

Yamamoto T, Watanabe M, You JQ, Pashkin Y, Astafiev O, Nakamura Y et al. Spectroscopy of superconducting charge qubits coupled by a Josephson inductance. Physical review B. 2008 Feb;77(6):-. 064505. doi: 10.1103/PhysRevB.77.064505

Author

Yamamoto, T. ; Watanabe, M. ; You, J. Q. et al. / Spectroscopy of superconducting charge qubits coupled by a Josephson inductance. In: Physical review B. 2008 ; Vol. 77, No. 6. pp. -.

Bibtex

@article{300166133edc43fc8263168afcb1d6d3,
title = "Spectroscopy of superconducting charge qubits coupled by a Josephson inductance",
abstract = "We have designed and experimentally implemented a circuit of inductively coupled superconducting charge qubits, where a Josephson junction is used as an inductance, and the coupling between the qubits is controlled by an applied magnetic flux. Spectroscopic measurements on the circuit are in good agreement with theoretical calculations. We observed anticrossings which originate from the coupling between the qubit and the plasma mode of the Josephson junction. Moreover, the size of the anticrossing depends on the external magnetic flux, which demonstrates the controllability of the coupling.",
author = "T. Yamamoto and M. Watanabe and You, {J. Q.} and Yuri Pashkin and O. Astafiev and Y. Nakamura and F. Nori and Tsai, {J. S.}",
year = "2008",
month = feb,
doi = "10.1103/PhysRevB.77.064505",
language = "English",
volume = "77",
pages = "--",
journal = "Physical review B",
issn = "1098-0121",
publisher = "AMER PHYSICAL SOC",
number = "6",

}

RIS

TY - JOUR

T1 - Spectroscopy of superconducting charge qubits coupled by a Josephson inductance

AU - Yamamoto, T.

AU - Watanabe, M.

AU - You, J. Q.

AU - Pashkin, Yuri

AU - Astafiev, O.

AU - Nakamura, Y.

AU - Nori, F.

AU - Tsai, J. S.

PY - 2008/2

Y1 - 2008/2

N2 - We have designed and experimentally implemented a circuit of inductively coupled superconducting charge qubits, where a Josephson junction is used as an inductance, and the coupling between the qubits is controlled by an applied magnetic flux. Spectroscopic measurements on the circuit are in good agreement with theoretical calculations. We observed anticrossings which originate from the coupling between the qubit and the plasma mode of the Josephson junction. Moreover, the size of the anticrossing depends on the external magnetic flux, which demonstrates the controllability of the coupling.

AB - We have designed and experimentally implemented a circuit of inductively coupled superconducting charge qubits, where a Josephson junction is used as an inductance, and the coupling between the qubits is controlled by an applied magnetic flux. Spectroscopic measurements on the circuit are in good agreement with theoretical calculations. We observed anticrossings which originate from the coupling between the qubit and the plasma mode of the Josephson junction. Moreover, the size of the anticrossing depends on the external magnetic flux, which demonstrates the controllability of the coupling.

U2 - 10.1103/PhysRevB.77.064505

DO - 10.1103/PhysRevB.77.064505

M3 - Journal article

VL - 77

SP - -

JO - Physical review B

JF - Physical review B

SN - 1098-0121

IS - 6

M1 - 064505

ER -