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Moskotin, M. V.; Gayduchenko, I. A.; Goltsman, G. N.; Titova, N.; Voronov, B. M.; Fedorov, G. F.; Pyatkov, F.; Hennrich, F. |
![goto web page (via DOI) doi](https://db.rplab.ru/refbase/img/doi.gif)
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Title |
Bolometric effect for detection of sub-THz radiation with devices based on carbon nanotubes |
Type ![sorted by Type field, descending order (down)](https://db.rplab.ru/refbase/img/sort_desc.gif) |
Conference Article |
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Year |
2018 |
Publication |
J. Phys.: Conf. Ser. |
Abbreviated Journal |
J. Phys.: Conf. Ser. |
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Volume |
1124 |
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Pages |
051050 (1 to 5) |
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Keywords |
field-effect transistor, FET, carbon nanotube, CNT |
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In this work we investigate the response on THz radiation of a FET device based on an individual carbon nanotube conductance channel. It was already shown, that the response of such devices can be either of diode rectification origin or of thermoelectric effect origin or of their combination. In this work we demonstrate that at 77K and 8K temperatures strong bolometric effect also makes a significant contribution to the response. |
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1742-6588 |
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1301 |
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Author |
Gayduchenko, I.; Fedorov, G.; Titova, N.; Moskotin, M.; Obraztsova, E.; Rybin, M.; Goltsman, G. |
![goto web page (via DOI) doi](https://db.rplab.ru/refbase/img/doi.gif)
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Title |
Towards to the development of THz detectors based on carbon nanostructures |
Type ![sorted by Type field, descending order (down)](https://db.rplab.ru/refbase/img/sort_desc.gif) |
Conference Article |
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Year |
2018 |
Publication |
J. Phys.: Conf. Ser. |
Abbreviated Journal |
J. Phys.: Conf. Ser. |
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Volume |
1092 |
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012039 (1 to 4) |
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Keywords |
CVD graphene, carbon nanotubes, CNT, field effect transistors, FET, THz detectors |
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Demand for efficient terahertz radiation detectors resulted in intensive study of the carbon nanostructures as possible solution for that problem. In this work we investigate the response to sub-terahertz radiation of detectors with sensor elements based on CVD graphene as well as its derivatives – carbon nanotubes (CNTs). The devices are made in configuration of field effect transistors (FET) with asymmetric source and drain (vanadium and gold) contacts and operate as lateral Schottky diodes. We show that at 300K semiconducting CNTs show better performance up to 300GHz with responsivity up to 100V/W, while quasi-metallic CNTs are shown to operate up to 2.5THz. At 300 K graphene detector exhibit the room-temperature responsivity from R = 15 V/W at f = 129 GHz to R = 3 V/W at f = 450 GHz. We find that at low temperatures (77K) the graphene lateral Schottky diodes responsivity rises with the increasing frequency of the incident sub-THz radiation. We interpret this result as a manifestation of a plasmonic effect in the devices with the relatively long plasmonic wavelengths. The obtained data allows for determination of the most promising directions of development of the technology of nanocarbon structures for the detection of THz radiation. |
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1742-6588 |
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1302 |
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Fedorov, G.; Gayduchenko, I.; Titova, N.; Moskotin, M.; Obraztsova, E.; Rybin, M.; Goltsman, G. |
![goto web page (via DOI) doi](https://db.rplab.ru/refbase/img/doi.gif)
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Title |
Graphene-based lateral Schottky diodes for detecting terahertz radiation |
Type ![sorted by Type field, descending order (down)](https://db.rplab.ru/refbase/img/sort_desc.gif) |
Conference Article |
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Year |
2018 |
Publication |
Proc. Optical Sensing and Detection V |
Abbreviated Journal |
Proc. Optical Sensing and Detection V |
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10680 |
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30-39 |
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Keywords |
graphene, terahertz radiation, detectors, Schottky diodes, carbon nanotubes, plasma waves |
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Demand for efficient terahertz radiation detectors resulted in intensive study of the carbon nanostructures as possible solution for that problem. In this work we investigate the response to sub-terahertz radiation of graphene field effect transistors of two configurations. The devices of the first type are based on single layer CVD graphene with asymmetric source and drain (vanadium and gold) contacts and operate as lateral Schottky diodes (LSD). The devices of the second type are made in so-called Dyakonov-Shur configuration in which the radiation is coupled through a spiral antenna to source and top electrodes. We show that at 300 K the LSD detector exhibit the room-temperature responsivity from R = 15 V/W at f= 129 GHz to R = 3 V/W at f = 450 GHz. The DS detector responsivity is markedly lower (2 V/W) and practically frequency independent in the investigated range. We find that at low temperatures (77K) the graphene lateral Schottky diodes responsivity rises with the increasing frequency of the incident sub-THz radiation. We interpret this result as a manifestation of a plasmonic effect in the devices with the relatively long plasmonic wavelengths. The obtained data allows for determination of the most promising directions of development of the technology of nanocarbon structures for the detection of THz radiation. |
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Spie |
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Berghmans, F.; Mignani, A.G. |
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10.1117/12.2307020 |
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1306 |
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Author |
Baeva, E.; Sidorova, M.; Korneev, A.; Goltsman, G. |
![goto web page (via DOI) doi](https://db.rplab.ru/refbase/img/doi.gif)
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Title |
Precise measurement of the thermal conductivity of superconductor |
Type ![sorted by Type field, descending order (down)](https://db.rplab.ru/refbase/img/sort_desc.gif) |
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2018 |
Publication |
Proc. AIP Conf. |
Abbreviated Journal |
Proc. AIP Conf. |
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Volume |
1936 |
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1 |
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020003 (1 to 4) |
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Keywords |
NbN SSPD, SNSPD |
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Measuring the thermal properties such as the heat capacity provide information about intrinsic mechanisms operated inside. In general, the ratio between electron and phonon specific heat Ce/Cp shows how the absorbed energy shared between electron and phonon subsystems. In this work we make estimations for amplitude-modulated absorption of THz radiation technique for investigation of the ratio Ce/Cp in superconducting Niobium Nitride (NbN) at T = Tc. Our results indicates that experimentally the frequency of modulation has to be extra large to extract the quantity. We perform a new technique allowed to work at low frequency with accurately measurement of absorbed power. |
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doi:10.1063/1.5025441 |
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1311 |
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Author |
Gayduchenko, I. A.; Moskotin, M. V.; Matyushkin, Y. E.; Rybin, M. G.; Obraztsova, E. D.; Ryzhii, V. I.; Goltsman, G. N.; Fedorov, G. E. |
![goto web page (via DOI) doi](https://db.rplab.ru/refbase/img/doi.gif)
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Title |
The detection of sub-terahertz radiation using graphene-layer and graphene-nanoribbon FETs with asymmetric contacts |
Type ![sorted by Type field, descending order (down)](https://db.rplab.ru/refbase/img/sort_desc.gif) |
Conference Article |
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2018 |
Publication |
Materials Today: Proc. |
Abbreviated Journal |
Materials Today: Proc. |
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5 |
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13 |
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27301-27306 |
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Keywords |
graphene nanoribbons, graphene-nanoribbon, GNR FET, field effect transistor |
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We report on the detection of sub-terahertz radiation using single layer graphene and graphene-nanoribbon FETs with asymmetric contacts (one is the Schottky contact and one – the Ohmic contact). We found that cutting graphene into ribbons a hundred nanometers wide leads to a decrease of the response to sub-THz radiation. We show that suppression of the response in the graphene nanoribbons devices can be explained by unusual properties of the Schottky barrier on graphene-vanadium interface. |
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2214-7853 |
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1316 |
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Author |
Belosevich, V. V.; Gayduchenko, I. A.; Titova, N. A.; Zhukova, E. S.; Goltsman, G. N.; Fedorov, G. E.; Silaev, A. A. |
![goto web page (via DOI) doi](https://db.rplab.ru/refbase/img/doi.gif)
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Title |
Response of carbon nanotube film transistor to the THz radiation |
Type ![sorted by Type field, descending order (down)](https://db.rplab.ru/refbase/img/sort_desc.gif) |
Conference Article |
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2018 |
Publication |
EPJ Web Conf. |
Abbreviated Journal |
EPJ Web Conf. |
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Volume |
195 |
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05012 (1 to 2) |
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field-effect transistor, FET, carbon nanotube, CNT |
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2100-014X |
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1317 |
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Tretyakov, I.; Kaurova, N.; Raybchun, S.; Goltsman, G. N.; Silaev, A. A. |
![goto web page (via DOI) doi](https://db.rplab.ru/refbase/img/doi.gif)
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Title |
Technology for NbN HEB based multipixel matrix of THz range |
Type ![sorted by Type field, descending order (down)](https://db.rplab.ru/refbase/img/sort_desc.gif) |
Conference Article |
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2018 |
Publication |
EPJ Web Conf. |
Abbreviated Journal |
EPJ Web Conf. |
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Volume |
195 |
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05011 |
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NbN HEB |
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The influence of homogeneity disorder degree of the thin superconducting NbN film across of Si wafer on characteristics of the Hot Electron Bolometers (HEB) has been investigated. Our experiments have been carried out near the superconducting transition and far below it. The high homogeneity disorder degree of the NbN film has been achieved by preparing the Si substrate surface. The fabricated HEBs all have almost identical R (T) characteristics with a dispersion of Tc and the normal resistance R300 of not more than 0.15K and 2 Ω, respectively. The quality of the devises allows us to demonstrate clearly the influence of non-equilibrium processes in the S’SS’ system on the device performance. Our fabrication technology also allows creating multiplex heterodyne and direct detector matrices based the HEB devices. |
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1318 |
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Korneeva, Y.; Vodolazov, D.; Florya, I.; Manova, N.; Smirnov, E.; Korneev, A.; Mikhailov, M.; Goltsman, G.; Klapwijk, T. M.; 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 |
Single photon detection in micron scale NbN and α-MoSi superconducting strips |
Type ![sorted by Type field, descending order (down)](https://db.rplab.ru/refbase/img/sort_desc.gif) |
Conference Article |
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2018 |
Publication |
EPJ Web Conf. |
Abbreviated Journal |
EPJ Web Conf. |
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Volume |
190 |
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04010 (1 to 2) |
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SSPD |
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We experimentally demonstrate the single photon detection in straight micrometer-wide NbN and α-MoSi bridges. Width of the bridges is 2 µm, while the wavelength of the photon changes from 408 to 1550 nm and critical current exceeds 50% of the depairing current. Obtained results offer the alternative route for design of detectors without resonator and meander structure and indirectly confirm vortex assisted mechanism of single photon detection. |
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2100-014X |
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1319 |
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Goltsman, G.; 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 |
Quantum photonic integrated circuits with waveguide integrated superconducting nanowire single-photon detectors |
Type ![sorted by Type field, descending order (down)](https://db.rplab.ru/refbase/img/sort_desc.gif) |
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2018 |
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EPJ Web Conf. |
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EPJ Web Conf. |
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190 |
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02004 (1 to 2) |
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waveguide SSPD, SNSPD |
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We show the design, a history of development as well as the most successful and promising approaches for QPICs realization based on hybrid nanophotonic-superconducting devices, where one of the key elements of such a circuit is a waveguide integrated superconducting single-photon detector (WSSPD). The potential of integration with fluorescent molecules is discussed also. |
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2100-014X |
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1320 |
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Author |
Goltsman, G. |
![goto web page (via DOI) doi](https://db.rplab.ru/refbase/img/doi.gif)
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Title |
Superconducting thin film as infrared heterodyne and direct detectors |
Type ![sorted by Type field, descending order (down)](https://db.rplab.ru/refbase/img/sort_desc.gif) |
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2017 |
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16th ISEC |
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16th ISEC |
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1-3 |
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optical waveguide SSPD, SNSPD |
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We present our recent achievements in the development of superconducting nanowire single-photon detectors (SNSPDs) integrated with optical waveguides on a chip. We demonstrate both single-photon counting with up to 90% on-chip-quantum-efficiency (OCDE), and the heterodyne mixing with a close to the quantum limit sensitivity at the telecommunication wavelength using single device. |
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8314188 |
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1323 |
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