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- Title
Comparison of Methods for Calculation of Superconducting Integrated Structures Using Semi-Analytical Calculation and 3D Numerical Simulation.
- Authors
Khan, F. V.; Atepalikhin, A. A.; Filippenko, L. V.; Koshelets, V. P.
- Abstract
Superconducting integrated structures are simulated in a frequency range of 300–750 GHz using two methods: (i) ABCD matrices related to each element of the circuit and (ii) Ansys HFSS software. The surface impedance of superconducting films is numerically calculated using expressions from the Mattis–Bardeen theory. For samples with microstrip line widths of less than one quarter of the wavelength, both models are in qualitative agreement with each other and with experimental data. It is shown that an increase in the width of the lines and the geometric dimensions of other circuit elements leads to generation of transverse modes and non-plane wave front of waves propagating along the lines, which causes discrepancy between the semi-analytical and numerical calculations, while the latter are in agreement with the experiment for all samples.
- Subjects
NUMERICAL calculations; CIRCUIT elements; MICROSTRIP transmission lines; COMPUTER simulation; SURFACE impedance; SUPERCONDUCTING films
- Publication
Journal of Communications Technology & Electronics, 2023, Vol 68, Issue 9, p983
- ISSN
1064-2269
- Publication type
Article
- DOI
10.1134/S1064226923090115