High-Temperature Superconducting Resonators

R. C. Taber, Leonard S. Cutler, James N. Hollenhorst, Tim L. Bagwell, Nathan Newman, Brady F. Cole

Research output: Contribution to journalArticlepeer-review

6 Scopus citations


Preliminary measurements on high-Tc superconducting resonators are reported and why they are attractive candidates for incorporation in low-noise oscillators is discussed. Some of the important contributions to oscillator noise are reviewed and show how they depend on the resonator parameters is shown. A preliminary YBa2Cu3O7/LaAlO3 resonator with a Q of 9 x 104at 6.9 GHz and 7 × 104at 3.5 GHz has been fabricated. The temperature sensitivity, power dependence and residual phase-noise will be discussed. An upper-limit on the coefficient of the 1/f component of fractional-frequency fluctuations has been measured to be-204 dB at 60 K. This is, to our knowledge, the best value reported for any high-Tc superconducting resonator.

Original languageEnglish (US)
Pages (from-to)398-404
Number of pages7
JournalIEEE Transactions on Ultrasonics, Ferroelectrics, and Frequency Control
Issue number3
StatePublished - May 1992
Externally publishedYes

ASJC Scopus subject areas

  • Instrumentation
  • Acoustics and Ultrasonics
  • Electrical and Electronic Engineering


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