Multi-level quantum noise spectroscopy

Multi-level quantum noise spectroscopy

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.

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Auteurs principaux: Youngkyu Sung, Antti Vepsäläinen, Jochen Braumüller, Fei Yan, Joel I-Jan Wang, Morten Kjaergaard, Roni Winik, Philip Krantz, Andreas Bengtsson, Alexander J. Melville, Bethany M. Niedzielski, Mollie E. Schwartz, David K. Kim, Jonilyn L. Yoder, Terry P. Orlando, Simon Gustavsson, William D. Oliver
Format: article
Langue:EN
Publié: Nature Portfolio 2021
Sujets:
Science
Q
Accès en ligne:https://doaj.org/article/fb0badbcc1874995abff41633cca96e1
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Résumé: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.

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