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An analysis method for asymmetric resonator transmission applied to superconducting devices

Open access
Khalil, M. S., Stoutimore, M. J. A., Wellstood, F. C., Osborn, K. D.·2012·Journal of Applied Physics

Abstract

We examine the transmission through nonideal microwave resonant circuits. The general analytical resonance line shape is derived for both inductive and capacitive coupling with mismatched input and output transmission impedances, and it is found that, for certain non-ideal conditions, the line shape is asymmetric. We describe an analysis method for extracting an accurate internal quality factor (Qi), the diameter correction method (DCM), and compare it to the conventional method used for millikelvin resonator measurements, the φ rotation method (φRM). We analytically find that the φRM deterministically overestimates Qi when the asymmetry of the resonance line shape is high, and that this error is eliminated with the DCM. A consistent discrepancy between the two methods is observed when they are used to analyze both simulations from a numerical linear solver and data from asymmetric coplanar superconducting thin-film resonators.

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Crossref · 10.1063/1.3692073

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Metadata

Authors
Khalil, M. S., Stoutimore, M. J. A., Wellstood, F. C., & Osborn, K. D.
Venue
Journal of Applied Physics
Published
2012-03-01
Volume
111
Issue
5
ISSN
  • 0021-8979 (ISSN-L)
  • 1089-7550
OpenAlex
W2062313003
Cited by
260
References
16
FWCI
4.25
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: An analysis method for asymmetric resonator transmission applied to superconducting devices. https://app.cochat.ai/papers/10.1063/1.3692073
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Khalil, M. S., Stoutimore, M. J. A., Wellstood, F. C., & Osborn, K. D. (2012). An analysis method for asymmetric resonator transmission applied to superconducting devices. Journal of Applied Physics. https://doi.org/10.1063/1.3692073

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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).

Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.