Alex, R.
, Chen, F.
, Sirois, A.
and Simmonds, R.
(2011),
Introduction of a DC Bias into a High-Q Superconducting Microwave Cavity, Applied Physics Letters, [online], https://doi.org/10.1063/1.3573824
(Accessed December 26, 2024)
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Introduction of a DC Bias into a High-Q Superconducting Microwave Cavity
Published
Author(s)
Rimberg J. Alex, Fei Chen, ,
Abstract
We report a technique for applying a dc voltage or current bias to the center conductor of a high-quality factor superconducting microwave cavity without significantly disturbing selected cavity modes. This is accomplished by incorporating dc bias lines into the cavity at specific locations. The measured S-matrix parameters of the system are in good agreement with theoretical predictions and simulations. We find that the quality factor of the cavity degrades by less than 1% under the application of a dc bias.Citation
Applied Physics Letters
Volume
98
Issue
13
Pub Type
Journals
Download Paper
Keywords
superconductivity, microwave resonator
Citation
Issues
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Created March 30, 2011, Updated October 12, 2021