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Author |
Cao, Aiqin; Jiang, L.; Chen, S.H.; Antipov, S.V.; Shi, S.C. |
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Title |
IF gain bandwidth of a quasi-optical NbN superconducting HEB mixer |
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Conference Article |
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Year |
2007 |
Publication |
Proc. International conference on microwave and millimeter wave technology |
Abbreviated Journal |
Proc. ICMMT |
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1-3 |
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Keywords  |
HEB, mixer, gain bandwidth |
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Abstract |
In this paper, the intermediate frequency (IF) gain bandwidth of a quasi-optical NbN superconducting hot-electron bolometer (HEB) mixer is investigated at 500 GHz with an IF system incorporating with a frequency down-converting scheme which is able to sweep the IF signal in a frequency range of 0.3-4 GHz. The IF gain bandwidth of the device is measured to be 1.5 GHz when it is biased at a voltage of the minimum noise temperature, and becomes larger when the bias voltage increases. |
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Builin |
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RPLAB @ lobanovyury @ |
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575 |
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Author |
Cherednichenko, Sergey; Drakinskiy, Vladimir; Berg, Therese; Kollberg, Erik L.; Angelov, Iltcho |
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Title |
The direct detection effect in the hot-electron bolometer mixer sensitivity calibration |
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Journal Article |
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2007 |
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IEEE Trans. Microw. Theory Techn. |
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55 |
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3 |
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504-510 |
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Keywords |
HEB, mixer, direct detection effect |
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0018-9480 |
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RPLAB @ lobanovyury @ |
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555 |
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Gao, J. R.; Hajenius, M.; Yang, Z. Q.; Baselmans, J. J. A.; Khosropanah, P.; Barends, R.; Klapwijk, T. M. |
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Title |
Terahertz superconducting hot electron bolometer heterodyne receivers |
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Journal Article |
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2007 |
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IEEE Trans. Appl. Supercond. |
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17 |
Issue |
2 |
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252-258 |
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Keywords |
HEB, mixer, direct detection effect |
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We highlight the progress on NbN hot electron bolometer (HEB) mixers achieved through fruitful collaboration between SRON Netherlands Institute for Space Research and Delft University of Technology, the Netherlands. This includes the best receiver noise temperatures of 700 K at 1.63 THz using a twin-slot antenna mixer and 1050 K at 2.84 THz using a spiral antenna coupled HEB mixer. The mixers are based on thin NbN films on Si and fabricated with a new contact-process and-structure. By reducing their areas HEB mixers have shown an LO power requirement as low as 30 nW. Those small HEB mixers have demonstrated equivalent sensitivity as those with large areas provided the direct detection effect due to broadband radiation is removed. To manifest that a HEB based heterodyne receiver can in practice be used at arbitrary frequencies above 2 THz, we demonstrate a 2.8 THz receiver using a THz quantum cascade laser (QCL) as local oscillator. |
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1051-8223 |
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RPLAB @ asmirn @ |
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557 |
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Semenov, Alexei D.; Richter, Heiko; Hubers, Heinz-Wilhelm; Gunther, Burghardt.; Smirnov, Andrey; Il'in, Konstantin S.; Siegel, Michael; Karamarkovic, Jugoslav P. |
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Title |
Terahertz performance of integrated lens antennas with a hot-electron bolometer |
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Journal Article |
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2007 |
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IEEE Trans. Microw. Theory Techn. |
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55 |
Issue |
2 |
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239-247 |
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Keywords |
HEB, lens antenna |
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0018-9480 |
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538 |
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Масленников, Сергей Николаевич |
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Title |
Смесители на эффекте электронного разогрева для терагерцового и инфракрасного диапазонов |
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2007 |
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М. МПГУ |
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HEB, detector, mixer, terahertz, THz, infrared, IR, direct detection effect, conversion loss |
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Ph.D. thesis |
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Russian |
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481 |
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