Quantum electronic devices

Superconducting Nb₃Sn point contact in the submillimeter range of electromagnetic radiation

È. M. Belenov, M. V. Danileĭko, V. E. Derkach, V. I. Romanenko, A. V. Uskov


Abstract: An investigation was made of the influence of submillimeter radiation emitted by an HCN laser operating at a frequency ν_l = 891 GHz on a superconducting point contact made of Nb₃Sn. Three steps of the electric current were recorded. The experimental results indicated that such a contact could be used for frequency multiplication up to 3 THz.

UDC: 621.373.8.029.71/73

PACS: 42.55.Ks, 42.60.Jf, 74.50.+r

Received: 18.09.1987

 English version: Soviet Journal of Quantum Electronics, 1988, 18:5, 675–676

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