Sis-mixers around the gap frequency

J. Mees

doi:10.1117/12.2303247

1 January 1994 Sis-mixers around the gap frequency

J. Mees

Proceedings Volume 2250, International Conference on Millimeter and Submillimeter Waves and Applications 1994; 22506E (1994) https://doi.org/10.1117/12.2303247
Event: Millimeter and Submillimeter Waves and Applications: International Conference, 1994, San Diego, CA, United States

Abstract

Since several years waveguide and planar antenna mixers with Nb-tunnel junctions are developed at the Space Research Organization Netherlands (SRON) for space applications. Recent results show excellent mixing performance up to frequencies above the superconducting gap of Nb. Goal is the development of an 1THz-mixer. Best results show a receiver noise temperature of Tps,-----310K at 708GHz for a waveguide mixer and TE,sÃ¢â‚¬Å¾---200K at 480GHz for a double dipole planar antenna mixer. Due to on-chip tuning structures we obtained bandwidths up to 150GHz. We will present the current status in the development of SIS-junctions, integrated tuning network and mixers.

Citation Download Citation

J. Mees "Sis-mixers around the gap frequency", Proc. SPIE 2250, International Conference on Millimeter and Submillimeter Waves and Applications 1994, 22506E (1 January 1994); https://doi.org/10.1117/12.2303247

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