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Zhurnal Tekhnicheskoi Fiziki, 2023, Volume 93, Issue 7, Pages 988–994
DOI: https://doi.org/10.21883/JTF.2023.07.55758.116-23 (Mi jtf7039) 		 
XXVII International Symposium "Nanophysics and Nanoelectronics" N. Novgorod, March 13-16, 2023
Radiophysics

Active superconducting terahertz detector

S. V. Shitovab

a Kotelnikov Institute of Radioengineering and Electronics of the Russian Academy of Sciences, 125009 Moscow, Russia
b National University of Science and Technology «MISIS», 119049 Moscow, Russia
Full-text PDF (404 kB)
DOI: https://doi.org/10.21883/JTF.2023.07.55758.116-23
Abstract: The concept of an active superconducting terahertz detector for array applications is based on the combination of an RFTES bolometer and a microwave preamplifier based on a DC SQUID within the common integrated circuit providing the maximum, theoretically possible, signal transmission from the sensor to the amplifier. The problems associated with the design and positioning of the amplifier, that restrict the functionality and sensitivity of the ultra-low temperature detector, are considered. For the first time, a method for connecting a SQUID amplifier to an RFTES bolometer using the principle of partial loads of a resonator has been proposed and analyzed. The presented electromagnetic model of the active detector is suitable for optimization of RFTES, MKID and other detectors using high-Q superconducting planar resonators.
Keywords: RFTES, DC SQUID, low-noise amplifier, parametric amplifier, planar resonator, high-Q resonator, partial load of resonator, electromagnetic modelling.
Funding agency Grant number
Program of Strategic Academic Leadership Prioritet-2030 K2-2022-029
This study was supported by the Strategic Project “Quantum Internet” as part of the Strategic Academic Leadership Program “Prioritet-2030” at NUST MISIS under grant № K2-2022-029.
Received: 12.05.2023
Revised: 12.05.2023
Accepted: 12.05.2023
Bibliographic databases:
Document Type: Article
Language: Russian
Citation: S. V. Shitov, “Active superconducting terahertz detector”, Zhurnal Tekhnicheskoi Fiziki, 93:7 (2023), 988–994
Citation in format AMSBIB
\Bibitem{Shi23}
\by S.~V.~Shitov
\paper Active superconducting terahertz detector
\jour Zhurnal Tekhnicheskoi Fiziki
\yr 2023
\vol 93
\issue 7
\pages 988--994
\mathnet{http://mi.mathnet.ru/jtf7039}
\crossref{https://doi.org/10.21883/JTF.2023.07.55758.116-23}
\elib{https://elibrary.ru/item.asp?id=54384502}
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