Requirements for SIS receivers in the 500-1000 GHz region

Details Requirements for SIS receivers in the 500-1000 GHz region Requirements for SIS receivers in the 500-1000 GHz region

Dec 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990liaco..29..199s&link_type=abstract

In ESA, From Ground-Based to Space-Borne Sub-mm Astronomy p 199-204 (SEE N91-21986 13-89)

Astronomy and Astrophysics

Astronomy

Electron Tunneling, Josephson Junctions, Mixing Circuits, Quantum Wells, Radio Receivers, Schottky Diodes, Sis (Superconductors), Submillimeter Waves, Tunnel Diodes, Niobium Compounds, Nitrides, Refractory Materials, Research And Development, Resonant Tunneling, Space Communication

Scientific paper

Superconductor insulator superconductor (SIS) tunnel junction mixers which are highly promising as receivers with near quantum limited performance for space applications in the 500 to 1000 GHz range are discussed. Their success at these high frequencies depends on being able to make tunnel junctions with large superconducting energy gaps, low subgap leakage, and low capacitance. These in turn imply junctions with small areas, made of refractory materials, and with high current densities. The leading candidates which meet these criteria are listed and reviewed.

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