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SRON-TELIS |
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2007 |
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no |
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RPLAB @ s @ TELIS_proj |
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405 |
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Torgashin, M. Yu.; Koshelets, V. P.; Dmitriev, P. N.; Ermakov, A. B.; Filippenko, L. V.; Yagoubov, P. A. |
Title |
Superconducting integrated receivers based on Nb-AlN-NbN circuits |
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Journal Article |
Year |
2007 |
Publication |
IEEE Trans. Appl. Supercond. |
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17 |
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2 |
Pages |
379-382 |
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RPLAB @ s @ mix_SIR_ieee_trans_2007 |
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406 |
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Author |
Jian Wei; David Olaya; Boris Karasik; Sergey Pereverzev; Andrei Sergeev; Michael Gershenson |
Title |
Ultra-sensitive hot-electron nanobolometers for terahertz astrophysics |
Type |
Journal Article |
Year |
2007 |
Publication |
ArXiv e-prints |
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Volume |
710 |
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Keywords |
cond-mat.other; astro-ph; cond-mat.mes-hall |
Abstract |
The background-limited spectral imaging of the early Universe requires spaceborne terahertz (THz) detectors with the sensitivity 2-3 orders of magnitude better than that of the state-of-the-art bolometers. To realize this sensitivity without sacrificing operating speed, novel detector designs should combine an ultrasmall heat capacity of a sensor with its unique thermal isolation. Quantum effects in thermal transport at nanoscale put strong limitations on the further improvement of traditional membrane-supported bolometers. Here we demonstrate an innovative approach by developing superconducting hot-electron nanobolometers in which the electrons are cooled only due to a weak electron-phonon interaction. At T<0.1K, the electron-phonon thermal conductance in these nanodevices becomes less than one percent of the quantum of thermal conductance. The hot-electron nanobolometers, sufficiently sensitive for registering single THz photons, are very promising for submillimeter astronomy and other applications based on quantum calorimetry and photon counting. |
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arXiv:0710.5474v1; 19 pages, 3 color figures |
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RPLAB @ s @ |
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407 |
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Kooi, J. W.; Baselmans, J. J. A.; Hajenius, M.; Gao, J. R.; Klapwijk, T. M.; Dieleman, P.; Baryshev, A.; de Lange, G. |
Title |
IF impedance and mixer gain of NbN hot electron bolometers |
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Journal Article |
Year |
2007 |
Publication |
J. Appl. Phys. |
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101 |
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4 |
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044511 |
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0021-8979 |
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no |
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RPLAB @ s @ |
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445 |
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Author |
Масленников, Сергей Николаевич |
Title |
Смесители на эффекте электронного разогрева для терагерцового и инфракрасного диапазонов |
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Manuscript |
Year |
2007 |
Publication |
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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no |
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481 |
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Koshelets, V. P.; Ermakov, A. B.; Filippenko, L. V.; Khudchenko, A. V.; Kiselev, O. S.; Sobolev, A. S.; Torgashin, M. Y.; Yagoubov, P. A.; Hoogeveen, R. W. M.; Wild, W. |
Title |
Superconducting integrated submillimeter receiver for TELIS |
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Journal Article |
Year |
2007 |
Publication |
IEEE Trans. Appl. Supercond. |
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17 |
Issue |
2 |
Pages |
336-342 |
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SIR |
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1051-8223 |
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no |
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524 |
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Author |
Torgashin, Mikhail Yu.; Koshelets, Valery P.; Dmitriev, Pavel N.; Ermakov, Andrey B.; Filippenko, Lyudmila V.; Yagoubov, Pavel A. |
Title |
Superconducting Integrated Receiver Based on Nb-AlN-NbN-Nb Circuits |
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Journal Article |
Year |
2007 |
Publication |
IEEE Trans. Appl. Supercond. |
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Volume |
17 |
Issue |
2 |
Pages |
379-382 |
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SIR |
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1051-8223 |
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no |
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525 |
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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. |
Title |
Terahertz performance of integrated lens antennas with a hot-electron bolometer |
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Journal Article |
Year |
2007 |
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IEEE Trans. Microw. Theory Techn. |
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55 |
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2 |
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239-247 |
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HEB, lens antenna |
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0018-9480 |
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538 |
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Author |
Cherednichenko, Sergey; Drakinskiy, Vladimir; Berg, Therese; Kollberg, Erik L.; Angelov, Iltcho |
Title |
The direct detection effect in the hot-electron bolometer mixer sensitivity calibration |
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Journal Article |
Year |
2007 |
Publication |
IEEE Trans. Microw. Theory Techn. |
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55 |
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3 |
Pages |
504-510 |
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HEB, mixer, direct detection effect |
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0018-9480 |
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no |
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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. |
Title |
Terahertz superconducting hot electron bolometer heterodyne receivers |
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Journal Article |
Year |
2007 |
Publication |
IEEE Trans. Appl. Supercond. |
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Volume |
17 |
Issue |
2 |
Pages |
252-258 |
Keywords |
HEB, mixer, direct detection effect |
Abstract |
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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