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Author
Ekstrom, H.
;
Karasik, B.
;
Weikle, R.
;
Yngvesson, K. S.
;
Gol’tsman, G.
;
Kollberg, E.
;
Gershenzon, E.
Title
Mixers using superconducting Nb films in the resistive state
Type
Conference Article
Year
1993
Publication
23rd European Microwave Conf.
Abbreviated Journal
23rd European Microwave Conf.
Volume
Issue
Pages
787-789
Keywords
Nb HEB mixers
Abstract
The mixing of 20 GHz radiation in a Nb superconducting film in the resistive state was studied. The experiment gave evidence of electron-heating to be the origin of the non-linear phenomenon. The requirements on the operation mode and on the film parameters in order to obtain small conversion losses or even gain are determined. Our measurements indicate a conversion loss of about 6-8 dB. The hot-electron bolometer is considered to be very promising for use in heterodyne receivers in a wide frequency range from microwaves to terahertz frequencies.
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no
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1651
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