Vacuum Rabi splitting due to strong coupling of a flux qubit and a coplanar-waveguide resonator

Abdumalikov, Abdufarrukh A. and Astafiev, Oleg and Nakamura, Yasunobu and Pashkin, Yuri A. and Tsai, JawShen (2008) Vacuum Rabi splitting due to strong coupling of a flux qubit and a coplanar-waveguide resonator. Physical review B, 78 (18). -. ISSN 1098-0121

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Abstract

We have experimentally studied a superconducting flux qubit strongly coupled to a single mode of a high-quality transmission-type coplanar-waveguide resonator. The qubit-resonator coupling is revealed in the resonator transmission spectrum as a vacuum Rabi splitting. In the dispersive regime the qubit energy levels are spectroscopically probed. We observe a shift in the qubit transition frequency that linearly depends on the number of photons in the resonator, which is attributed to the ac-Zeeman shift. The observations are in agreement with the theoretical predictions.

Item Type:
Journal Article
Journal or Publication Title:
Physical review B
Uncontrolled Keywords:
/dk/atira/pure/researchoutput/libraryofcongress/qc
Subjects:
ID Code:
57823
Deposited By:
Deposited On:
29 Aug 2012 08:09
Refereed?:
Yes
Published?:
Published
Last Modified:
23 Sep 2020 01:14