Investigation of the regimes of mixing of superconducting tunneling structures


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Resumo

The regimes of operation of a superconductor–insulator–superconductor tunnel junction based on three-layer structures Nb/AlOx/Nb and Nb/AlN/NbN as a harmonic mixer (for frequencies of the order of 600 and 20 GHz, respectively) and a frequency up-converter (in the frequency range from 0.1 to 5.0 GHz) have been investigated experimentally. The quasiparticle and Josephson mixing regimes have been compared. It has been shown that, in some practical applications, such as the use of the superconductor–insulator–superconductor junction as a cryogenic harmonic phase detector, the Josephson mixing regime is more preferable, because it can provide a higher signal and a greater signal-to-noise ratio as compared to the quasiparticle mixing regime. It has also been demonstrated that the Josephson mixing regime is promising for the use in signal multiplexing systems for superconducting detectors.

Sobre autores

K. Kalashnikov

Kotelnikov Institute of Radio Engineering and Electronics

Autor responsável pela correspondência
Email: kalashnikov@hitech.cplire.ru
Rússia, ul. Mokhovaya 11–7, Moscow, 125009

A. Artanov

Kotelnikov Institute of Radio Engineering and Electronics

Email: kalashnikov@hitech.cplire.ru
Rússia, ul. Mokhovaya 11–7, Moscow, 125009

L. Filippenko

Kotelnikov Institute of Radio Engineering and Electronics

Email: kalashnikov@hitech.cplire.ru
Rússia, ul. Mokhovaya 11–7, Moscow, 125009

V. Koshelets

Kotelnikov Institute of Radio Engineering and Electronics

Email: kalashnikov@hitech.cplire.ru
Rússia, ul. Mokhovaya 11–7, Moscow, 125009

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