Title :
SIS receivers for millimeter and submillimeter-wave detection
Author :
Andreone, D. ; Brunetti, L. ; Lacquaniti, V. ; Steni, R. ; Thorpe, J.R.
Author_Institution :
Ist. Elettrotecnico Nazionale Galileo Ferraris, Torino, Italy
fDate :
3/1/2001 12:00:00 AM
Abstract :
In this work we report the current status in our development of sensitive heterodyne detectors for efficient down-conversion of submillimeter-wave signals to D-band. These detectors use the strong non-linearity of Nb/Al-AlOx/Nb tunnel junctions and employ preferably quasi-optical techniques to couple local-oscillator and radio-frequency signals to the superconducting junctions via a log-periodic antenna and hyper-hemispherical lens combination. Several devices have been fabricated and tested
Keywords :
aluminium; aluminium compounds; heterodyne detection; millimetre wave receivers; niobium; submillimetre wave receivers; superconductor-insulator-superconductor mixers; D-band; LO signal; Nb-Al-AlO-Nb; Nb/Al-AlOx/Nb superconducting tunnel junction; RF signal; SIS receiver; down-conversion; heterodyne detector; hyper-hemispherical lens; log-periodic antenna; millimeter wave detection; nonlinearity; quasi-optical mixer; submillimeter wave detection; Detectors; Frequency; Josephson junctions; Niobium; Space technology; Submillimeter wave filters; Submillimeter wave technology; Superconducting device noise; Superconducting devices; Waveguide junctions;
Journal_Title :
Applied Superconductivity, IEEE Transactions on
