TITLE

Pound-locking for characterization of superconducting microresonators

AUTHOR(S)
Lindström, T.; Burnett, J.; Oxborrow, M.; Tzalenchuk, A Ya.
PUB. DATE
October 2011
SOURCE
Review of Scientific Instruments;Oct2011, Vol. 82 Issue 10, p104706
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We present a new application and implementation of the Pound-locking technique for the interrogation of superconducting microresonators. We discuss how by comparing against stable frequency sources this technique can be used to characterize properties of resonators that cannot be accessed using traditional methods. Specifically, by analyzing the noise spectra and the Allan deviation, we obtain valuable information about the nature of the noise in superconducting planar resonators. This technique also greatly improves the read-out accuracy and measurement throughput compared to conventional methods
ACCESSION #
66903094

 

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