Title :
Self-radiation phenomena in LTSC and HTSC bridges
Author :
Amatuni, Le ; Constantinian, K.Y. ; Hayrapetian, R.B. ; Ovsyannikov, G.A. ; Laptev, V.N. ; Makhov, V.I.
Author_Institution :
Radiophys. & Electron. Inst., Acad. of Sci., Yerevan, Armenian SSR, USSR
fDate :
3/1/1991 12:00:00 AM
Abstract :
The nonlinear properties of Nb-Si-Nb high-quality edge-junctions and Y-Ba-Cu-O thin-film bridges were examined at several frequencies: f≃1.7, 21, and 39 GHz at T=4.2 K by means of the highly sensitive radiometric probe method. The results of self-pumping mixing regime in a single edge-junction and phase-locking processes in an array of 21 junctions are presented. The HTSC (high-temperature superconducting) bridge has exhibited strong generation intensity, more than 300 times higher than single edge-junctions, and stimulation of self-radiation under external microwave affection
Keywords :
barium compounds; high-temperature superconductors; niobium; silicon; superconducting junction devices; type II superconductors; yttrium compounds; 1.7 to 39 GHz; 4.2 K; Nb-Si-Nb; Y-Ba-Cu-O; high temperature superconductors; low temperature superconductors; nonlinear properties; phase-locking processes; radiometric probe method; self radiation phenomena; self-pumping mixing regime; single edge-junction; Bridges; Frequency; High temperature superconductors; Josephson junctions; Microwave radiometry; Phased arrays; Probes; Superconducting microwave devices; Superconducting thin films; Yttrium barium copper oxide;
Journal_Title :
Magnetics, IEEE Transactions on
