Physics – Condensed Matter – Mesoscale and Nanoscale Physics
Scientific paper
2009-11-19
Phys. Scr. T137, 014013 (2009)
Physics
Condensed Matter
Mesoscale and Nanoscale Physics
ArXiv version of manuscript to be published in the Physica Scripta topical issue on the Nobel Symposium 141: Qubits for Future
Scientific paper
10.1088/0031-8949/2009/T137/0140
The exceptionally strong coupling realizable between superconducting qubits and photons stored in an on-chip microwave resonator allows for the detailed study of matter-light interactions in the realm of circuit quantum electrodynamics (QED). Here we investigate the resonant interaction between a single transmon-type multilevel artificial atom and weak thermal and coherent fields. We explore up to three photon dressed states of the coupled system in a linear response heterodyne transmission measurement. The results are in good quantitative agreement with a generalized Jaynes-Cummings model. Our data indicates that the role of thermal fields in resonant cavity QED can be studied in detail using superconducting circuits.
Baur Matthias
Bianchetti R.
Blais Alexandre
Filipp Stefan
Fink Johannes M.
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