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电信和无线电工程
SJR: 0.203 SNIP: 0.44 CiteScore™: 1

ISSN 打印: 0040-2508
ISSN 在线: 1943-6009

卷:
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电信和无线电工程

DOI: 10.1615/TelecomRadEng.v69.i15.40
pages 1357-1364

DC-BIASED COPLANAR WAVEGUIDE ON THE BASIS OF HIGH-TC SUPERCONDUCTING THIN FILM WITH NONLINEAR IMPEDANCE

Nikolay T. Cherpak
O.Ya. Usikov Institute for Radiophysics and Electronics of the National Academy of Sciences of Ukraine 12, Academician Proskura St., Kharkiv 61085, Ukraine
A. A. Lavrinovich
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12 Academician Proskura St., Kharkiv 61085, Ukraine
A. A. Kalenyuk
Institute of Metal Physics, National Academy of Sciences of Ukraine, Kiev, 03142
V. M. Pan
Institute of Metal Physics, National Academy of Sciences of Ukraine, Kiev, 03142
Alexey Gubin
O.Ya. Usikov Institute for Radio Physics and Electronics, National Academy of Sciences of Ukraine, 12 Academician Proskura St., Kharkiv 61085, Ukraine
V. Khramota
National Technical University-KhPI, Kharkiv, 61002
A. A. Kurakin
Institute of Bio- and Nanosystems, Forschungszentrum Juelich Juelich, D52425 Germany
S. A. Vitusevich
Peter Grünberg Institute Forschungszentrum Juelich, Juelich, Germany

ABSTRACT

Nonlinear properties of coplanar waveguide developed on the base of high temperature superconductor (HTS) YBa2Cu3O7−δ epitaxial thin film sputtered on single crystal Al2O3 substrate are investigated in X-band and temperature interval from 77K to 90K. It is shown that application of dc-bias to the structure allows controlling the microwave nonlinearity of HTS transmission line. The observed periodic features in losses as a function of temperature indicate that a phase coefficient of propagation constant has nonlinear behaviour related to the properties of transmission line. The phenomenological characteristic value of the input power P0 is determined from comparison experimental data with results of theoretical analysis.


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