InSb nanowire double quantum dots coupled to a superconducting microwave cavity

Journal article (2016)

Authors

R. Wang RIKEN Center for Emergent Matter Science (CEMS)
Russell S. Deacon RIKEN Center for Emergent Matter Science (CEMS)
D Car Eindhoven University of Technology
Erik P.A.M. Bakkers Eindhoven University of Technology, QN/Bakkers Lab
K Ishibashi RIKEN Center for Emergent Matter Science (CEMS)
Research Group
QN/Bakkers Lab
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Published Date

16-05-2016

Language

English

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Research Group

QN/Bakkers Lab

Abstract

By employing a micrometer precision mechanical transfer technique, we embed individual InSb nanowires into a superconducting coplanar waveguide resonator. We investigate the characteristics of a double quantum dot formed in an InSb nanowire interacting with a single mode microwave field. The charge stability diagram can be obtained from the amplitude and phase response of the resonator independently from the dc transport measurement. As the charge transits between dot-dot, or dot-lead, the change of resonator transmission is compared and the charge-cavity coupling strength is extracted to be in the magnitude of several MHz.