Multi-level quantum noise spectroscopy

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Multi-level quantum noise spectroscopy. / Sung, Youngkyu; Vepsalainen, Antti; Braumuller, Jochen; Yan, Fei; Wang, Joel I-Jan; Kjaergaard, Morten; Winik, Roni; Krantz, Philip; Bengtsson, Andreas; Melville, Alexander J.; Niedzielski, Bethany M.; Schwartz, Mollie E.; Kim, David K.; Yoder, Jonilyn L.; Orlando, Terry P.; Gustavsson, Simon; Oliver, William D.

In: Nature Communications, Vol. 12, No. 1, 967, 11.02.2021.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Sung, Y, Vepsalainen, A, Braumuller, J, Yan, F, Wang, JI-J, Kjaergaard, M, Winik, R, Krantz, P, Bengtsson, A, Melville, AJ, Niedzielski, BM, Schwartz, ME, Kim, DK, Yoder, JL, Orlando, TP, Gustavsson, S & Oliver, WD 2021, 'Multi-level quantum noise spectroscopy', Nature Communications, vol. 12, no. 1, 967. https://doi.org/10.1038/s41467-021-21098-3

APA

Sung, Y., Vepsalainen, A., Braumuller, J., Yan, F., Wang, J. I-J., Kjaergaard, M., Winik, R., Krantz, P., Bengtsson, A., Melville, A. J., Niedzielski, B. M., Schwartz, M. E., Kim, D. K., Yoder, J. L., Orlando, T. P., Gustavsson, S., & Oliver, W. D. (2021). Multi-level quantum noise spectroscopy. Nature Communications, 12(1), [967]. https://doi.org/10.1038/s41467-021-21098-3

Vancouver

Sung Y, Vepsalainen A, Braumuller J, Yan F, Wang JI-J, Kjaergaard M et al. Multi-level quantum noise spectroscopy. Nature Communications. 2021 Feb 11;12(1). 967. https://doi.org/10.1038/s41467-021-21098-3

Author

Sung, Youngkyu ; Vepsalainen, Antti ; Braumuller, Jochen ; Yan, Fei ; Wang, Joel I-Jan ; Kjaergaard, Morten ; Winik, Roni ; Krantz, Philip ; Bengtsson, Andreas ; Melville, Alexander J. ; Niedzielski, Bethany M. ; Schwartz, Mollie E. ; Kim, David K. ; Yoder, Jonilyn L. ; Orlando, Terry P. ; Gustavsson, Simon ; Oliver, William D. / Multi-level quantum noise spectroscopy. In: Nature Communications. 2021 ; Vol. 12, No. 1.

Bibtex

@article{d21b9f87e46f4bd78292cf585aac3365,
title = "Multi-level quantum noise spectroscopy",
abstract = "System noise identification is crucial to the engineering of robust quantum systems. Although existing quantum noise spectroscopy (QNS) protocols measure an aggregate amount of noise affecting a quantum system, they generally cannot distinguish between the underlying processes that contribute to it. Here, we propose and experimentally validate a spin-locking-based QNS protocol that exploits the multi-level energy structure of a superconducting qubit to achieve two notable advances. First, our protocol extends the spectral range of weakly anharmonic qubit spectrometers beyond the present limitations set by their lack of strong anharmonicity. Second, the additional information gained from probing the higher-excited levels enables us to identify and distinguish contributions from different underlying noise mechanisms. Engineering qubits with long coherence times requires the ability to distinguish multiple noise sources, which is not possible with typical two-level qubit sensors. Here the authors utilize the multiple level transitions of a superconducting qubit to characterize two common types of external noise.",
author = "Youngkyu Sung and Antti Vepsalainen and Jochen Braumuller and Fei Yan and Wang, {Joel I-Jan} and Morten Kjaergaard and Roni Winik and Philip Krantz and Andreas Bengtsson and Melville, {Alexander J.} and Niedzielski, {Bethany M.} and Schwartz, {Mollie E.} and Kim, {David K.} and Yoder, {Jonilyn L.} and Orlando, {Terry P.} and Simon Gustavsson and Oliver, {William D.}",
year = "2021",
month = feb,
day = "11",
doi = "10.1038/s41467-021-21098-3",
language = "English",
volume = "12",
journal = "Nature Communications",
issn = "2041-1723",
publisher = "nature publishing group",
number = "1",

}

RIS

TY - JOUR

T1 - Multi-level quantum noise spectroscopy

AU - Sung, Youngkyu

AU - Vepsalainen, Antti

AU - Braumuller, Jochen

AU - Yan, Fei

AU - Wang, Joel I-Jan

AU - Kjaergaard, Morten

AU - Winik, Roni

AU - Krantz, Philip

AU - Bengtsson, Andreas

AU - Melville, Alexander J.

AU - Niedzielski, Bethany M.

AU - Schwartz, Mollie E.

AU - Kim, David K.

AU - Yoder, Jonilyn L.

AU - Orlando, Terry P.

AU - Gustavsson, Simon

AU - Oliver, William D.

PY - 2021/2/11

Y1 - 2021/2/11

N2 - System noise identification is crucial to the engineering of robust quantum systems. Although existing quantum noise spectroscopy (QNS) protocols measure an aggregate amount of noise affecting a quantum system, they generally cannot distinguish between the underlying processes that contribute to it. Here, we propose and experimentally validate a spin-locking-based QNS protocol that exploits the multi-level energy structure of a superconducting qubit to achieve two notable advances. First, our protocol extends the spectral range of weakly anharmonic qubit spectrometers beyond the present limitations set by their lack of strong anharmonicity. Second, the additional information gained from probing the higher-excited levels enables us to identify and distinguish contributions from different underlying noise mechanisms. Engineering qubits with long coherence times requires the ability to distinguish multiple noise sources, which is not possible with typical two-level qubit sensors. Here the authors utilize the multiple level transitions of a superconducting qubit to characterize two common types of external noise.

AB - System noise identification is crucial to the engineering of robust quantum systems. Although existing quantum noise spectroscopy (QNS) protocols measure an aggregate amount of noise affecting a quantum system, they generally cannot distinguish between the underlying processes that contribute to it. Here, we propose and experimentally validate a spin-locking-based QNS protocol that exploits the multi-level energy structure of a superconducting qubit to achieve two notable advances. First, our protocol extends the spectral range of weakly anharmonic qubit spectrometers beyond the present limitations set by their lack of strong anharmonicity. Second, the additional information gained from probing the higher-excited levels enables us to identify and distinguish contributions from different underlying noise mechanisms. Engineering qubits with long coherence times requires the ability to distinguish multiple noise sources, which is not possible with typical two-level qubit sensors. Here the authors utilize the multiple level transitions of a superconducting qubit to characterize two common types of external noise.

U2 - 10.1038/s41467-021-21098-3

DO - 10.1038/s41467-021-21098-3

M3 - Journal article

C2 - 33574240

VL - 12

JO - Nature Communications

JF - Nature Communications

SN - 2041-1723

IS - 1

M1 - 967

ER -

ID: 259106988