Pith. sign in

REVIEW

Large Dispersive Shift of Cavity Resonance Induced by a Superconducting Flux Qubit in the Straddling Regime

Not yet reviewed by Pith; the record is open.

Re-run · record.json Download PDF Read on arXiv ↗

This paper has not been read by Pith yet. Machine review is queued; the pith claim, tier, and objections will appear here once it completes.

SPECIMEN: schema-true, not a live event

T0 review · schema-true

One-sentence machine reading of the paper's core claim.

pith:XXXXXXXX · record.json · timestamp

arxiv 1207.6825 v4 pith:QJMRABWL submitted 2012-07-30 cond-mat.supr-con quant-ph

K. Inomata , T. Yamamoto , P.-M. Billangeon , Y. Nakamura , J. S. Tsai This is my paper · ORCID
classification cond-mat.supr-conquant-ph
keywords qubitshiftdispersiveenergyfluxinducedregimestraddling
verification ladder T0 review T1 audit T2 compute T3 formal
0 comments
read the original abstract

We demonstrate enhancement of the dispersive frequency shift in a coplanar waveguide resonator induced by a capacitively-coupled superconducting flux qubit in the straddling regime. The magnitude of the observed shift, 80 MHz for the qubit-resonator detuning of 5 GHz, is quantitatively explained by the generalized Jaynes-Cummings model which takes into account the contribution of the qubit higher energy levels. By applying the enhanced dispersive shift to the qubit readout, we achieved 90% contrast of the Rabi oscillations which is mainly limited by the energy relaxation of the qubit.

Discussion (0). Continue with ORCID to comment.

Pith tools