366 citations · 819 across the 17 of their papers we have counts for
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A semi-empirical model for two-level system noise in superconducting microresonators
Jiansong Gao, Miguel Daal, John M. Martinis +6
We present measurements of the low--temperature excess frequency noise of four niobium superconducting coplanar waveguide microresonators, with center strip widths ranging fr…
Experimental evidence for a surface distribution of two-level systems in superconducting lithographed microwave resonators
Jiansong Gao, Miguel Daal, Peter Day +6
We present measurements of the temperature-dependent frequency shift of five niobium superconducting coplanar waveguide microresonators with center strip widths ranging from 3 m…
Temperature Dependence of the Frequency and Noise of Superconducting Coplanar Waveguide Resonators
Shwetank Kumar, Jiansong Gao, Jonas Zmuidzinas +3
We present measurements of the temperature and power dependence of the resonance frequency and frequency noise of superconducting niobium thin-film coplanar waveguide resonators, c…
Quasiparticle relaxation in optically excited high-Q superconducting resonators
R. Barends, J. J. A. Baselmans, S. J. C. Yates +3
The quasiparticle relaxation time in superconducting films has been measured as a function of temperature using the response of the complex conductivity to photon flux. For tantalu…