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Anfertev, V.; Vaks, V.; Revin, L.; Pentin, I.; Tretyakov, I.; Goltsman, G.; Vinogradov, E. A.; Naumov, A. V.; Gladush, M. G.; Karimullin, K. R. |
![goto web page (via DOI) doi](https://db.rplab.ru/refbase/img/doi.gif)
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Title |
High resolution THz gas spectrometer based on semiconductor and superconductor devices |
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Conference Article |
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Year |
2017 |
Publication |
EPJ Web Conf. |
Abbreviated Journal ![sorted by Abbreviated Journal field, descending order (down)](https://db.rplab.ru/refbase/img/sort_desc.gif) |
EPJ Web Conf. |
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132 |
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02001 (1 to 2) |
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Keywords |
NbN HEB mixers, detectors, THz spectroscopy |
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The high resolution THz gas spectrometer consists of a synthesizer based on Gunn generator with a semiconductor superlattice frequency multiplier as a radiation source, and an NbN hot electron bolometer in a direct detection mode as a THz radiation receiver was presented. The possibility of application of a quantum cascade laser as a local oscillator for a heterodyne receiver which is based on an NbN hot electron bolometer mixer is shown. The ways for further developing of the THz spectroscopy were outlined. |
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2100-014X |
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1328 |
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Zhang, Wen; Li, Ning; Jiang, Ling; Miao, Wei; Lin, Zhen-Hui; Yao, Qi-Jun; Shi, Sheng-Cai; Chen, Jian; Wu, Pei-Heng; Svechnikov, S. I.; Vachtomin, Y. B.; Antipov, S. V.; Voronov, B. M.; Gol'tsman, G. N. |
![goto web page (via DOI) doi](https://db.rplab.ru/refbase/img/doi.gif)
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Title |
Noise behaviour of a THz superconducting hot-electron bolometer mixer |
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Journal Article |
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Year |
2007 |
Publication |
Chinese Phys. Lett. |
Abbreviated Journal ![sorted by Abbreviated Journal field, descending order (down)](https://db.rplab.ru/refbase/img/sort_desc.gif) |
Chinese Phys. Lett. |
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Volume |
24 |
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6 |
Pages |
1778-1781 |
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Keywords |
NbN HEB mixers |
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A quasi-optical superconducting NbN hot-electron bolometer (HEB) mixer is measured in the frequency range of 0.5–2.5 THz for understanding of the frequency dependence of noise temperature of THz coherent detectors. It has been found that noise temperature increasing with frequency is mainly due to the coupling loss between the quasi-optical planar antenna and the superconducting HEB bridge when taking account of non-uniform distribution of high-frequency current. With the coupling loss corrected, the superconducting HEB mixer demonstrates a noise temperature nearly independent of frequency. |
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0256-307X |
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1430 |
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Author |
Maslennikov, S. |
![find record details (via OpenURL) openurl](https://db.rplab.ru/refbase/img/xref.gif)
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Title |
RF heating efficiency of the terahertz superconducting hot-electron bolometer |
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Journal Article |
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2014 |
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arXiv |
Abbreviated Journal ![sorted by Abbreviated Journal field, descending order (down)](https://db.rplab.ru/refbase/img/sort_desc.gif) |
arXiv |
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1404.5276 |
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1-4 |
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superconducting hot-electron bolometer mixer, HEB, NbN, distributed model, HEB model, HEB mixer model, heat balance equa-tions, conversion gain, RF heating efficiency, noise temperature, simulation, Euler method |
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We report results of the numerical solution by the Euler method of the system of heat balance equations written in recurrent form for the superconducting hot-electron bolometer (HEB) embedded in an electrical circuit. By taking into account the dependence of the HEB resistance on the transport current we have been able to calculate rigorously the RF heating efficiency, absorbed local oscillator (LO) power and conversion gain of the HEB mixer. We show that the calculated conversion gai nis in excellent agreement with the experimental results, and that the substitution of the calculated RF heating efficiency and absorbed LO power into the expressions for the conversion gain and noise temperature given by the analytical small-signal model of the HEB yields excellent agreement with the corresponding measured values |
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RPLAB @ atomics90 @ |
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954 |
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Author |
Gol’tsman, G. N.; Gershenzon, E. M. |
![goto web page (via DOI) doi](https://db.rplab.ru/refbase/img/doi.gif)
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Title |
Phonon-cooled hot-electron bolometric mixer: overview of recent results |
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Journal Article |
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1999 |
Publication |
Appl. Supercond. |
Abbreviated Journal ![sorted by Abbreviated Journal field, descending order (down)](https://db.rplab.ru/refbase/img/sort_desc.gif) |
Appl. Supercond. |
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6 |
Issue |
10-12 |
Pages |
649-655 |
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NbN HEB mixers |
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The paper presents an overview of recent results for NbN phonon-cooled hot electron bolometric (HEB) mixers. The noise temperature of the receivers based on both quasioptical and waveguide versions of HEB mixer has crossed the level of 1 K·GHz−1 at 430 GHz (410 K) and 600–650 GHz (480 K) and is close to this level at 820 GHz (1100 K) and 900 GHz (980 K). The gain bandwidth measured for quasioptical HEB mixer at 620 GHz reached 4 GHz and the noise temperature bandwidth was almost 8 GHz. Local oscillator power requirements are about 1 μW for mixers made by photolithography and are about 100 nW for mixers made by e-beam lithography. The studies in terahertz receivers based on HEB superconducting mixers now present a dynamic, rapidly developing field. |
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0964-1807 |
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1564 |
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Author |
Prober, D. E. |
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Title |
Superconducting terahertz mixer using a transition-edge microbolometer |
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Journal Article |
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1993 |
Publication |
Appl. Phys. Lett. |
Abbreviated Journal ![sorted by Abbreviated Journal field, descending order (down)](https://db.rplab.ru/refbase/img/sort_desc.gif) |
Appl. Phys. Lett. |
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62 |
Issue |
17 |
Pages |
2119-2121 |
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HEB mixer, NbN, TES |
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Recommended by Klapwijk |
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244 |
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Lindgren, M.; Zorin, M. A.; Trifonov, V.; Danerud, M.; Winkler, D.; Karasik, B. S.; Gol'tsman, G. N.; Gershenzon, E. M. |
![goto web page (via DOI) doi](https://db.rplab.ru/refbase/img/doi.gif)
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Title |
Optical mixing in a patterned YBa2Cu3O7-δ thin film |
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Journal Article |
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1994 |
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Appl. Phys. Lett. |
Abbreviated Journal ![sorted by Abbreviated Journal field, descending order (down)](https://db.rplab.ru/refbase/img/sort_desc.gif) |
Appl. Phys. Lett. |
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65 |
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26 |
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3398-3400 |
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YBCO HTS HEB mixer, bandwidth |
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Mixing of 1.56 µm infrared radiation from two lasers in a high quality YBa2Cu3O7-δ thin film, patterned to parallel strips, was demonstrated. A mixer bandwidth of 18 GHz, limited by the measurement system, was obtained. A model based on nonequilibrium electron heating gives a good fit to the data and predicts an intrinsic mixer bandwidth in excess of 100 GHz, operating in the whole infrared spectrum. Reduction of bolometric effects and ways to decrease the conversion loss of the mixer is discussed. The minimum conversion loss is expected to be ~10 dB. |
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0003-6951 |
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251 |
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Karasik, B. S.; Elantiev, A. I. |
![goto web page (via DOI) doi](https://db.rplab.ru/refbase/img/doi.gif)
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Title |
Noise temperature limit of a superconducting hot-electron bolometer mixer |
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Journal Article |
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1996 |
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Applied Physics Letters |
Abbreviated Journal ![sorted by Abbreviated Journal field, descending order (down)](https://db.rplab.ru/refbase/img/sort_desc.gif) |
Appl. Phys. Lett. |
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68 |
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6 |
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853-855 |
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HEB mixer noise temperature, Johnson noise, thermal fluctuation noise, noise bandwidth |
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0003-6951 |
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260 |
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Karasik, B. S.; Il'in, K. S.; Pechen, E. V.; Krasnosvobodtsev, S. I. |
![goto web page (via DOI) doi](https://db.rplab.ru/refbase/img/doi.gif)
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Title |
Diffusion cooling mechanism in a hot-electron NbC microbolometer mixer |
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Journal Article |
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1996 |
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Applied Physics Letters |
Abbreviated Journal ![sorted by Abbreviated Journal field, descending order (down)](https://db.rplab.ru/refbase/img/sort_desc.gif) |
Appl. Phys. Lett. |
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68 |
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16 |
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2285-2287 |
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HEB mixer, diffusion cooling channel, diffusion channel |
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0003-6951 |
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262 |
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Ekstörm, H.; Kollberg, E.; Yagoubov, P.; Gol'tsman, G.; Gershenzon, E.; Yngvesson, S. |
![goto web page (via DOI) doi](https://db.rplab.ru/refbase/img/doi.gif)
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Title |
Gain and noise bandwidth of NbN hot-electron bolometric mixers |
Type |
Journal Article |
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1997 |
Publication |
Appl. Phys. Lett. |
Abbreviated Journal ![sorted by Abbreviated Journal field, descending order (down)](https://db.rplab.ru/refbase/img/sort_desc.gif) |
Appl. Phys. Lett. |
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Volume |
70 |
Issue |
24 |
Pages |
3296-3298 |
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NbN HEB mixers, conversion loss, conversion gain, U-factor technique |
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We have measured the noise performance and gain bandwidth of 35 Å thin NbN hot-electron mixers integrated with spiral antennas on silicon substrate lenses at 620 GHz. The best double-sideband receiver noise temperature is less than 1300 K with a 3 dB bandwidth of ≈5 GHz. The gain bandwidth is 3.2 GHz. The mixer output noise dominated by thermal fluctuations is 50 K, and the intrinsic conversion gain is about −12 dB. Without mismatch losses and excluding the loss from the beamsplitter, we expect to achieve a receiver noise temperature of less than 700 K. |
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279 |
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Khosropanah, P.; Gao, J. R.; Laauwen, W. M.; Hajenius, M; Klapwijk, T. M. |
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Title |
Low noise NbN hot electron bolometer mixer at 4.3 THz |
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Journal Article |
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2007 |
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Appl. Phys. Lett. |
Abbreviated Journal ![sorted by Abbreviated Journal field, descending order (down)](https://db.rplab.ru/refbase/img/sort_desc.gif) |
Appl. Phys. Lett. |
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Volume |
91 |
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221111 (1 to 3) |
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NbN HEB mixers, NbN, contacts cleaning |
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We have studied the sensitivity of a superconducting NbN hot electron bolometer mixer integrated with a spiral antenna at 4.3 THz. Using hot/cold blackbody loads and a beam splitter all in vacuum, we measured a double sideband receiver noise temperature of 1300 K at the optimum local oscillator (LO) power of 330 nW, which is about 12 times the quantum noise (hnu/2kB). Our result indicates that there is no sign of degradation of the mixing process at the superterahertz frequencies. Moreover, a measurement method is introduced which allows us for an accurate determination of the sensitivity despite LO power fluctuations. |
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