Spectroscopy of low-frequency noise and its temperature dependence in a superconducting qubit

Spectroscopy of low-frequency noise and its temperature dependence in a superconducting qubit

We report a direct measurement of the low-frequency noise spectrum in a superconducting flux qubit. Our method uses the noise sensitivity of a free-induction Ramsey interference experiment, comprising free evolution in the presence of noise for a fixed period of time followed by single-shot qubit-st...

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Main Authors: Orlando, Terry Philip (Contributor), Yan, Fei (Contributor), Bylander, Jonas (Contributor), Gustavsson, Simon (Contributor), Yoshihara, Fumiki (Author), Harrabi, Khalil (Author), Cory, David G. (Author), Nakamura, Yasunobu (Author), Tsai, Jaw-Shen (Author), Oliver, William D. (Contributor)
Other Authors: Lincoln Laboratory (Contributor), Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science (Contributor), Massachusetts Institute of Technology. Department of Nuclear Science and Engineering (Contributor), Massachusetts Institute of Technology. Research Laboratory of Electronics (Contributor)
Format: Article
Language:English
Published: American Physical Society, 2012-07-24T17:30:46Z.
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