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| Author | Anfertev, V.; Vaks, V.; Revin, L.; Pentin, I.; Tretyakov, I.; Goltsman, G.; Vinogradov, E. A.; Naumov, A. V.; Gladush, M. G.; Karimullin, K. R. | ||||
| Title | High resolution THz gas spectrometer based on semiconductor and superconductor devices | Type | Conference Article | ||
| Year | 2017 | Publication | EPJ Web Conf. | Abbreviated Journal | EPJ Web Conf. |
| Volume | 132 | Issue | Pages | 02001 (1 to 2) | |
| Keywords | NbN HEB mixers, detectors, THz spectroscopy | ||||
| Abstract | 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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ISSN  |
2100-014X | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Serial | 1328 | |||
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| Author | Fedorov, G. E.; Gaiduchenko, I. A.; Golikov, A. D.; Rybin, M. G.; Obraztsova, E. D.; Voronov, B. M.; Coquillat, D.; Diakonova, N.; Knap, W.; Goltsman, G. N.; Samartsev, V. V.; Vinogradov, E. A.; Naumov, A. V.; Karimullin, K. R. | ||||
| Title | Response of graphene based gated nanodevices exposed to THz radiation | Type | Conference Article | ||
| Year | 2015 | Publication | EPJ Web of Conferences | Abbreviated Journal | EPJ Web of Conferences |
| Volume | 103 | Issue | Pages | 10003 (1 to 2) | |
| Keywords | graphene field-effect transistor, FET | ||||
| Abstract | In this work we report on the response of asymmetric graphene based devices to subterahertz and terahertz radiation. Our devices are made in a configuration of a field-effect transistor with conduction channel between the source and drain electrodes formed with a CVD-grown graphene. The radiation is coupled through a spiral antenna to source and top gate electrodes. Room temperature responsivity of our devices is close to the values that are attractive for commercial applications. Further optimization of the device configuration may result in appearance of novel terahertz radiation detectors. | ||||
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| ISSN |
2100-014X | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Serial | 1350 | |||
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| Author | Elezov, M. S.; Ozhegov, R. V.; Kurochkin, Y. V.; Goltsman, G. N.; Makarov, V. S.; Samartsev, V. V.; Vinogradov, E. A.; Naumov, A. V.; Karimullin, K. R. | ||||
| Title | Countermeasures against blinding attack on superconducting nanowire detectors for QKD | Type | Conference Article | ||
| Year | 2015 | Publication | EPJ Web Conf. | Abbreviated Journal | EPJ Web Conf. |
| Volume | 103 | Issue | Pages | 10002 (1 to 2) | |
| Keywords | SSPD, SNSPD, QKD | ||||
| Abstract | Nowadays, the superconducting single-photon detectors (SSPDs) are used in Quantum Key Distribution (QKD) instead of single-photon avalanche photodiodes. Recently bright-light control of the SSPD has been demonstrated. This attack employed a “backdoor” in the detector biasing technique. We developed the autoreset system which returns the SSPD to superconducting state when it is latched. We investigate latched state of the SSPD and define limit conditions for effective blinding attack. Peculiarity of the blinding attack is a long nonsingle photon response of the SSPD. It is much longer than usual single photon response. Besides, we need follow up response duration of the SSPD. These countermeasures allow us to prevent blind attack on SSPDs for Quantum Key Distribution. | ||||
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| ISSN |
2100-014X | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Serial | 1352 | |||
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| Author | Tretyakov, I.; Svyatodukh, S.; Perepelitsa, A.; Ryabchun, S.; Kaurova, N.; Shurakov, A.; Smirnov, M.; Ovchinnikov, O.; Goltsman, G. | ||||
| Title | Ag2S QDs/Si heterostructure-based ultrasensitive SWIR range detector | Type | Journal Article | ||
| Year | 2020 | Publication | Nanomaterials (Basel) | Abbreviated Journal | Nanomaterials (Basel) |
| Volume | 10 | Issue | 5 | Pages | 1-12 |
| Keywords | detector; quantum dots; short-wave infrared range; silicon | ||||
| Abstract | In the 20(th) century, microelectronics was revolutionized by silicon-its semiconducting properties finally made it possible to reduce the size of electronic components to a few nanometers. The ability to control the semiconducting properties of Si on the nanometer scale promises a breakthrough in the development of Si-based technologies. In this paper, we present the results of our experimental studies of the photovoltaic effect in Ag2S QD/Si heterostructures in the short-wave infrared range. At room temperature, the Ag2S/Si heterostructures offer a noise-equivalent power of 1.1 x 10(-10) W/ radicalHz. The spectral analysis of the photoresponse of the Ag2S/Si heterostructures has made it possible to identify two main mechanisms behind it: the absorption of IR radiation by defects in the crystalline structure of the Ag2S QDs or by quantum QD-induced surface states in Si. This study has demonstrated an effective and low-cost way to create a sensitive room temperature SWIR photodetector which would be compatible with the Si complementary metal oxide semiconductor technology. | ||||
| Address | Laboratory of nonlinear optics, Zavoisky Physical-Technical Institute of the Russian Academy of Sciences, Kazan 420029, Russia | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN |
2079-4991 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:32365694; PMCID:PMC7712218 | Approved | no | ||
| Call Number | Serial | 1151 | |||
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| Author | Bandurin, D. A.; Svintsov, D.; Gayduchenko, I.; Xu, S. G.; Principi, A.; Moskotin, M.; Tretyakov, I.; Yagodkin, D.; Zhukov, S.; Taniguchi, T.; Watanabe, K.; Grigorieva, I. V.; Polini, M.; Goltsman, G. N.; Geim, A. K.; Fedorov, G. | ||||
| Title | Resonant terahertz detection using graphene plasmons | Type | Journal Article | ||
| Year | 2018 | Publication | Nat. Commun. | Abbreviated Journal | Nat. Commun. |
| Volume | 9 | Issue | Pages | 5392 (1 to 8) | |
| Keywords | THz, graphene plasmons | ||||
| Abstract | Plasmons, collective oscillations of electron systems, can efficiently couple light and electric current, and thus can be used to create sub-wavelength photodetectors, radiation mixers, and on-chip spectrometers. Despite considerable effort, it has proven challenging to implement plasmonic devices operating at terahertz frequencies. The material capable to meet this challenge is graphene as it supports long-lived electrically tunable plasmons. Here we demonstrate plasmon-assisted resonant detection of terahertz radiation by antenna-coupled graphene transistors that act as both plasmonic Fabry-Perot cavities and rectifying elements. By varying the plasmon velocity using gate voltage, we tune our detectors between multiple resonant modes and exploit this functionality to measure plasmon wavelength and lifetime in bilayer graphene as well as to probe collective modes in its moire minibands. Our devices offer a convenient tool for further plasmonic research that is often exceedingly difficult under non-ambient conditions (e.g. cryogenic temperatures) and promise a viable route for various photonic applications. | ||||
| Address | Physics Department, Moscow State University of Education (MSPU), Moscow, Russian Federation, 119435. fedorov.ge@mipt.ru | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN |
2041-1723 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Serial | 1148 | |||
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| Author | Gayduchenko, I.; Xu, S. G.; Alymov, G.; Moskotin, M.; Tretyakov, I.; Taniguchi, T.; Watanabe, K.; Goltsman, G.; Geim, A. K.; Fedorov, G.; Svintsov, D.; Bandurin, D. A. | ||||
| Title | Tunnel field-effect transistors for sensitive terahertz detection | Type | Journal Article | ||
| Year | 2021 | Publication | Nat. Commun. | Abbreviated Journal | Nat. Commun. |
| Volume | 12 | Issue | 1 | Pages | 543 |
| Keywords | field-effect transistors, bilayer graphene, BLG | ||||
| Abstract | The rectification of electromagnetic waves to direct currents is a crucial process for energy harvesting, beyond-5G wireless communications, ultra-fast science, and observational astronomy. As the radiation frequency is raised to the sub-terahertz (THz) domain, ac-to-dc conversion by conventional electronics becomes challenging and requires alternative rectification protocols. Here, we address this challenge by tunnel field-effect transistors made of bilayer graphene (BLG). Taking advantage of BLG's electrically tunable band structure, we create a lateral tunnel junction and couple it to an antenna exposed to THz radiation. The incoming radiation is then down-converted by the tunnel junction nonlinearity, resulting in high responsivity (>4 kV/W) and low-noise (0.2 pW/[Formula: see text]) detection. We demonstrate how switching from intraband Ohmic to interband tunneling regime can raise detectors' responsivity by few orders of magnitude, in agreement with the developed theory. Our work demonstrates a potential application of tunnel transistors for THz detection and reveals BLG as a promising platform therefor. | ||||
| Address | Department of Physics, Massachusetts Institute of Technology, Cambridge, MA, 02139, USA. bandurin@mit.edu | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN |
2041-1723 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:33483488; PMCID:PMC7822863 | Approved | no | ||
| Call Number | Serial | 1261 | |||
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| Author | Pernice, W. H. P.; Schuck, C.; Minaeva, O.; Li, M.; Goltsman, G. N.; Sergienko, A. V.; Tang, H. X. | ||||
| Title | High-speed and high-efficiency travelling wave single-photon detectors embedded in nanophotonic circuits | Type | Journal Article | ||
| Year | 2012 | Publication | Nat. Commun. | Abbreviated Journal | Nat. Commun. |
| Volume | 3 | Issue | Pages | 1325 (1 to 10) | |
| Keywords | waveguide SSPD | ||||
| Abstract | Ultrafast, high-efficiency single-photon detectors are among the most sought-after elements in modern quantum optics and quantum communication. However, imperfect modal matching and finite photon absorption rates have usually limited their maximum attainable detection efficiency. Here we demonstrate superconducting nanowire detectors atop nanophotonic waveguides, which enable a drastic increase of the absorption length for incoming photons. This allows us to achieve high on-chip single-photon detection efficiency up to 91% at telecom wavelengths, repeatable across several fabricated chips. We also observe remarkably low dark count rates without significant compromise of the on-chip detection efficiency. The detectors are fully embedded in scalable silicon photonic circuits and provide ultrashort timing jitter of 18 ps. Exploiting this high temporal resolution, we demonstrate ballistic photon transport in silicon ring resonators. Our direct implementation of a high-performance single-photon detector on chip overcomes a major barrier in integrated quantum photonics. | ||||
| Address | Department of Electrical Engineering, Yale University, New Haven, Connecticut 06511, USA | ||||
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| ISSN |
2041-1723 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:23271658; PMCID:PMC3535416 | Approved | no | ||
| Call Number | Serial | 1375 | |||
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| Author | Zhang, W.; Miao, W.; Yao, Q. J.; Lin, Z. H.; Shi, S. C.; Gao, J. R.; Goltsman, G. N. | ||||
| Title | Spectral response and noise temperature of a 2.5 THz spiral antenna coupled NbN HEB mixer | Type | Journal Article | ||
| Year | 2012 | Publication | Phys. Procedia | Abbreviated Journal | Phys. Procedia |
| Volume | 36 | Issue | Pages | 334-337 | |
| Keywords | NbN HEB mixer | ||||
| Abstract | We report on a 2.5 THz spiral antenna coupled NbN hot electron bolometer (HEB) mixers, fabricated with in-situ process. The receiver noise temperature with lowest value of 1180 K is in good agreement with calculated quantum efficiency factor as a function of bias voltage. In addition, the measured spectral response of the spiral antenna coupled NbN HEB mixer shows broad frequency coverage of 0.8-3 THz, and corrected response for optical losses, FTS, and coupling efficiency between antenna and bolometer falls with frequency due to diffraction-limited beam of lens/antenna combination. | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN |
1875-3892 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Serial | 1381 | |||
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| Author | Korneev, A.; Korneeva, Y.; Florya, I.; Voronov, B.; Goltsman, G. | ||||
| Title | NbN nanowire superconducting single-photon detector for mid-infrared | Type | Journal Article | ||
| Year | 2012 | Publication | Phys. Procedia | Abbreviated Journal | Phys. Procedia |
| Volume | 36 | Issue | Pages | 72-76 | |
| Keywords | NbN SSPD, SNSPD | ||||
| Abstract | Superconducting single-photon detectors (SSPD) is typically 100 nm-wide supercondiucting strip in a shape of meander made of 4-nm-thick film. To reduce response time and increase voltage response a parallel connection of the strips was proposed. Recently we demonstrated that reduction of the strip width improves the quantum effciency of such a detector at wavelengths longer than 1.5 μm. Being encourage by this progress in quantum effciency we improved the fabrication process and made parallel-wire SSPD with 40-nm-wide strips covering total area of 10 μm x 10 μm. In this paper we present the results of the characterization of such a parallel-wire SSPD at 10.6 μm wavelength and demonstrate linear dependence of the count rate on the light power as it should be in case of single-photon response. | ||||
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| ISSN |
1875-3892 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Serial | 1382 | |||
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| Author | Tretyakov, I.; Shurakov, A.; Perepelitsa, A.; Kaurova, N.; Svyatodukh, S.; Zilberley, T.; Ryabchun, S.; Smirnov, M.; Ovchinnikov, O.; Goltsman, G. | ||||
| Title | Room temperature silicon detector for IR range coated with Ag2S quantum dots | Type | Journal Article | ||
| Year | 2019 | Publication | Phys. Status Solidi RRL | Abbreviated Journal | Phys. Status Solidi RRL |
| Volume | 13 | Issue | 9 | Pages | 1900187-(1-6) |
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| Abstract | For decades, silicon has been the chief technological semiconducting material of modern microelectronics and has a strong influence on all aspects of the society. Applications of Si-based optoelectronic devices are limited to the visible and near infrared (IR) ranges. For photons with an energy less than 1.12 eV, silicon is almost transparent. The expansion of the Si absorption to shorter wavelengths of the IR range is of considerable interest for optoelectronic applications. By creating impurity states in Si, it is possible to cause sub-bandgap photon absorption. Herein, an elegant and effective technology of extending the photo-response of Si toward the IR range is presented. This approach is based on the use of Ag 2 S quantum dots (QDs) planted on the surface of Si to create impurity states in the Si bandgap. The specific sensitivity of the room temperature zero-bias Si_Ag 2 Sp detector is 10 11 cm Hz W 1 at 1.55 μm. Given the variety of available QDs and the ease of extending the photo-response of Si toward the IR range, these findings open a path toward future studies and development of Si detectors for technological applications. The current research at the interface of physics and chemistry is also of fundamental importance to the development of Si optoelectronics. | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN |
1862-6254 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Serial | 1149 | |||
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| Author | Nikoghosyan, A. S.; Martirosyan, R. M.; Hakhoumian, A. A.; Makaryan, A. H.; Tadevosyan, V. R.; Goltsman, G. N.; Antipov, S. V. | ||||
| Title | Effect of absorption on the efficiency of THz radiation generation in a nonlinear crystal placed into a waveguide | Type | Journal Article | ||
| Year | 2018 | Publication | Armenian J. Phys. | Abbreviated Journal | Armenian J. Phys. |
| Volume | 11 | Issue | 4 | Pages | 257-262 |
| Keywords | THz, waveguide, nonlinear crystal | ||||
| Abstract | The effect of THz radiation absorption on the efficiency of generation of coherent THz radiation in a nonlinear optical crystal placed into a metal rectangular waveguide is studied. The efficiency of the nonlinear conversion of optical laser radiation to the THz band is also a function of the phase-matching (PM) condition inside the nonlinear crystal. The method of partial filling of a metal waveguide with a nonlinear optical crystal is used to ensure phase matching. Phase matching was obtained by the proper choice of the thickness of the nonlinear crystal, namely the degree of partial filling of the waveguide. We have studied the THz radiation attenuation caused by the losses in both the metal walls of the waveguide and in the crystal, taking into account the dimension of the cross section of the waveguide, the degree of partial filling and its dielectric constant. | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN |
1829-1171 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Serial | 1291 | |||
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| Author | Korneev, A.; Finkel, M.; Maslennikov, S.; Korneeva, Yu.; Florya, I.; Tarkhov, M.; Elezov, M.; Ryabchun, S.; Tretyakov, I.; Isupova, A.; Voronov, B.; Goltsman, G. | ||||
| Title | Superconducting NbN terahertz detectors and infrared photon counters | Type | Journal Article | ||
| Year | 2010 | Publication | Вестник НГУ. Серия: физ. | Abbreviated Journal | Вестник НГУ. Серия: физ. |
| Volume | 5 | Issue | 4 | Pages | 68-72 |
| Keywords | HEB; HEB mixer | ||||
| Abstract | We present our recent achievements in the development of sensitive and ultrafast thin-film superconducting sensors: hot-electron bolometers (HEB), HEB-mixers for terahertz range and infrared single-photon counters. These sensors have already demonstrated a performance that makes them devices-of-choice for many terahertz and optical applications. Keywords: Hot electron bolometer mixers, infrared single-photon detectors, superconducting device fabrication, superconducting NbN films. | ||||
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| ISSN |
1818-7994 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | УДК 538.9 | Approved | no | ||
| Call Number | RPLAB @ gujma @ | Serial | 708 | ||
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| Author | Iomdina, E. N.; Seliverstov, S.; Sianosyan, A.; Teplyakova, K.; Rusova, A.; Goltsman, G. | ||||
| Title | The prospects of using the radiation for the assessment of corneal and scleral hydration | Type | Abstract | ||
| Year | 2016 | Publication | Acta Ophthalmol. | Abbreviated Journal | Acta Ophthalmol. |
| Volume | 94 | Issue | Pages | ||
| Keywords | BWO, avalanche transit‐time diode, medicine, biology | ||||
| Abstract | Purpose An adequate water balance (hydration extent) is one of the basic factors of normal eye function, including its external shells – the cornea and the sclera. THz systems creating images in reflected beams are likely to become ideal instruments of noninvasive testing of corneal and scleral hydration degree as THz radiation is highly sensitive to water content. The paper aims at studying the transmittance and reflectance spectra of the cornea and the sclera of rabbit and human eyes, as well as those of the whole rabbit eye, in the frequency range of 0.13–0.32 THz. Methods The experiments were carried out on 3 corneas and 3 rabbit scleras, 2 whole rabbit eyes, and 3 human healthy adult scleras using a specially developed THz system based on reliable and easy‐to‐use continuous wave sources: a backward‐wave oscillator and an avalanche transit‐time diode. Results The transmittance spectra of the cornea and the sclera and the dependence of the reflection coefficient of these tissues in THz range on water percentage content were determined. Comparison of the rabbit cornea hydrated from 73.2% to 76.3% concentration by mass demonstrated an approximately linear relationship between THz reflectivity and water concentration. The decrease of free water concentration by 1% leads to a drop of the reflectance coefficient by 13%. The parameters studied displayed noticeable differences between the sclera and the cornea of rabbits and between rabbit sclera and human sclera. Conclusions Preliminary results demonstrate that the proposed technique, based on continuous THz radiation, may be used to create a device for noninvasive testing of corneal and scleral hydration, which has good potential of wide‐scale practical application. The work was supported by the Russian Foundation of Basic Research (grant No.15‐29‐03843) |
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| Series Volume | Series Issue | Edition | |||
| ISSN |
1755375X | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Serial | 1333 | |||
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| Author | Komrakova, S.; Javadzade, J.; Vorobyov, V.; Bolshedvorskii, S.; Soshenko, V.; Akimov, A.; Kovalyuk, V.; Korneev, A.; Goltsman, G. | ||||
| Title | On-chip controlled placement of nanodiamonds with a nitrogen-vacancy color centers (NV) | Type | Conference Article | ||
| Year | 2018 | Publication | J. Phys.: Conf. Ser. | Abbreviated Journal | J. Phys.: Conf. Ser. |
| Volume | 1124 | Issue | Pages | 051046 (1 to 4) | |
| Keywords | nanodiamonds, NV-centers | ||||
| Abstract | Here we studied the fabrication technique of a kilopixel array of nanodiamonds with a nitrogen-vacancy color centers (NV) on top of the chip and measured the second-order correlation function deep, clearly demonstrated the presence of single-photon sources. The controlled position of nanodiamonds, determined from the measurement of second-order correlation fiction, was realize, as well as the yield of optimized technique equals 12.5% is shown. | ||||
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| Series Volume | Series Issue | Edition | |||
| ISSN |
1742-6588 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Serial | 1298 | |||
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| Author | Elmanova, A.; An, P.; Kovalyuk, V.; Golikov, A.; Elmanov, I.; Goltsman, G. | ||||
| Title | Study of silicon nitride O-ring resonator for gas-sensing applications | Type | Conference Article | ||
| Year | 2020 | Publication | J. Phys.: Conf. Ser. | Abbreviated Journal | J. Phys.: Conf. Ser. |
| Volume | 1695 | Issue | Pages | 012124 | |
| Keywords | silicon nitride O-ring resonator, ORR | ||||
| Abstract | In this work, we experimentally studied the influence of different gaseous surroundings on silicon nitride O-ring resonator transmission. We compared the obtained results with numerical calculations and theoretical analysis and found a good agreement between them. Our results have a great potential for gas sensing applications, where a compact footprint and high efficiency are desired simultaneously. | ||||
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| ISSN |
1742-6588 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | Approved | no | |||
| Call Number | Serial | 1176 | |||
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