Active components for high-T/sub c/ Josephson receivers

Author

Beuven, St. ; Harnack, O. ; Amatuni, L. ; Kohlstedt, H. ; Darula, M.

Author_Institution

Inst. fur Schicht- und Ionentechnik, Forschungszentrum Julich GmbH, Germany

Volume

7

Issue

2

fYear

1997

fDate

6/1/1997 12:00:00 AM

Firstpage

2591

Lastpage

2594

Abstract

We present results of a systematic work towards components for an integrated high-T/sub c/ receiver. As a local oscillator, which is necessary for heterodyne detection, the array type of the multi junction superconducting loop (MSL) was investigated. We observed the phase locking of all junctions by means of dc-measurements. At the same time the radiation of the array was detected using a detector junction coupled to the array. Phase locking of all junctions was achieved up to nearly 1 THz. Furthermore, the results of heterodyne mixing experiments in the W-band using single high-T/sub c/ grain boundary junctions are presented. The possible integration of Josephson oscillator and mixer into a single circuit is discussed.

Keywords

demodulation; high-temperature superconductors; phase locked oscillators; submillimetre wave mixers; submillimetre wave receivers; superconducting junction devices; 1 THz; DC measurement; Josephson mixer; MSL oscillator; W-band; active component; grain boundary junction; heterodyne detection; integrated high-T/sub c/ Josephson receiver; multi-junction superconducting loop; phase locked array oscillator; Coupling circuits; Fabrication; Grain boundaries; Josephson junctions; Local oscillators; Phased arrays; Radiation detectors; Sensor arrays; Superconducting devices; Voltage control;

fLanguage

English

Journal_Title

Applied Superconductivity, IEEE Transactions on

Publisher

ieee

ISSN

1051-8223

Type

jour

DOI

10.1109/77.621769

Filename

621769