| Records |
| Author |
Hans Ekstrom; Karasik, Boris S.; Kollberg, Erik L.; Sigfrid Yngvesson |
| Title |
Conversion gain and noise of niobium superconducting hot–electron–mixers |
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Journal Article |
| Year |
1995 |
Publication  |
IEEE Trans. Appl. Supercond. |
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| Volume |
43 |
Issue |
4 |
Pages |
938-947 |
| Keywords |
Nb HEB mixers |
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254 |
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| Author |
Gershenzon, E. M.; Gol'tsman, G. N.; Elant'ev, A. I.; Karasik, B. S.; Potoskuev, S. E. |
| Title |
Intense electromagnetic radiation heating of superconductor electrons in resistive state |
Type |
Journal Article |
| Year |
1988 |
Publication |
Fizika Nizkikh Temperatur |
Abbreviated Journal |
Fizika Nizkikh Temperatur |
| Volume |
14 |
Issue |
7 |
Pages |
753-763 |
| Keywords |
Nb HEB |
| Abstract |
An experimental study is made of the effect of intense radiation in the millimeter and submillimeter ranges on thin and narrow Nb films in the resistive state. It is found that the excess resistance resulting from radiation and the dependence of its relaxation time on radiation intensity and transport current can be explained in terms of the effect of electron heating. Quantitative agreement is obtained between the experimental data and a homogeneous electron heating model. |
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1697 |
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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 |
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Issue |
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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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1651 |
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