100 GHz SIS mixer with improved rf matching

Conference · Fri Mar 01 04:00:00 EST 1991 · IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States)

OSTI ID:6088656

Carpenter, J A; Smith, A D; Arambula, E R; Lee, L P.S.; Nelson, T; Yujiri, L ^[1]

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1. TRW Space and Technology Group, Redondo Beach, CA (United States)

In this paper, the authors report on the design and testing of a superconductor-insulator-superconductor (SIS) mixer coupling scheme with an integrated millimeter-wave transformer. The impedance transformation allows large junction sizes and easier fabrication than is possible with single junction or array mixers. Experiments with the front-end transformer mixers demonstrated mixer gains up to 10 dB and instantaneous bandwidths of 700 MHz at W-band. In addition to heterodyne mixing, we performed direct detection measurements to measure instantaneous signal bandwidth. Current responsivities of 1000 A/W were measured with a 3 dB bandwidth of 8 GHz. The direct detection performance falls at the quantum limit of one-electron-per-photon to within experimental uncertainty.

• OSTI ID: 6088656
• Report Number(s): CONF-900944--
• Conference Information: Journal Name: IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States) Journal Volume: 27:2
• Country of Publication: United States
• Language: English

Related Subjects

661100 -- Classical & Quantum Mechanics-- (1992-)
665411 -- Basic Superconductivity Studies-- (1992-)
665412* -- Superconducting Devices-- (1992-)
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
COUPLING
DESIGN
DISPERSIONS
ELECTRICAL EQUIPMENT
ELECTRON-PHONON COUPLING
ELECTRONIC EQUIPMENT
EQUIPMENT
FABRICATION
HETERODYNE RECEIVERS
JUNCTIONS
MECHANICS
MICROWAVE EQUIPMENT
MIXTURES
PERFORMANCE TESTING
QUANTUM MECHANICS
RADIO EQUIPMENT
SUPERCONDUCTING JUNCTIONS
TESTING
TRANSFORMERS