Article
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Bi-SQUID versus dc SQUID in Flux Driven Traveling-Wave Parametric Amplifier
Version 1
: Received: 8 July 2023 / Approved: 10 July 2023 / Online: 10 July 2023 (08:45:09 CEST)
A peer-reviewed article of this Preprint also exists.
Nikolaeva, A.N.; Kornev, V.K.; Kolotinskiy, N.V. Bi-SQUID Versus dc SQUID in Flux-Driven Traveling-Wave Parametric Amplifier. Appl. Sci. 2023, 13, 8236. Nikolaeva, A.N.; Kornev, V.K.; Kolotinskiy, N.V. Bi-SQUID Versus dc SQUID in Flux-Driven Traveling-Wave Parametric Amplifier. Appl. Sci. 2023, 13, 8236.
Abstract
Characteristics of artificial waveguide lines composed of finite size artificial cells are analyzed and discussed with relation to designing the travelling wave parametric amplifiers. From this point of view, flux driven amplifier suggested recently can be considered as the most successful amplifier design. To increase dynamic range of the amplifier, dc SQUID cells of the artificial line in use can be substituted for bi-SQUID cells. The 1-dB compression points of the amplifier gain are calculated and compared for both types of the cells.
Keywords
JTWPA; Josephson junctions; SQUID; Parametric amplifiers
Subject
Physical Sciences, Applied Physics
Copyright: This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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