Tunable microwave characteristics of a superconducting planar transmission line by using a nonlinear dielectric thin film

Chien Jang Wu*

*此作品的通信作者

研究成果: 雜誌貢獻期刊論文同行評審

10 引文 斯高帕斯(Scopus)

摘要

A field solution for a planar type-II superconducting transmission line made of two high-temperature superconducting films and a nonlinear dielectric thin film is derived. The combined effects of the nonlinear dielectric permittivity as well as of vortices inside the superconductors on the attenuation constant and phase velocity are numerically investigated. Variation in temperature-dependent phase velocity due to the dielectric nonlinearity is lowered pronouncedly in the presence of vortices. In addition, variation in phase velocity versus dc electric field is also reduced in the case of more vortices. The role played by the nonlinear dielectric as well as the vortices in such a tunable microwave component are thus demonstrated.

原文英語
頁(從 - 到)493-497
頁數5
期刊Journal of Applied Physics
87
發行號1
DOIs
出版狀態已發佈 - 2000 1月 1
對外發佈

ASJC Scopus subject areas

  • 物理與天文學 (全部)

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