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Antipov, S. V.; Vachtomin, Yu. B.; Maslennikov, S. N.; Smirnov, K. V.; Kaurova, N. S.; Grishina, E. V.; Voronov, B. M.; Goltsman, G. N. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Noise performance of quasioptical ultrathin NbN hot electron bolometer mixer at 2.5 and 3.8 THz |
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Conference Article |
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Year |
2004 |
Publication |
Proc. 5-th MSMW |
Abbreviated Journal |
Proc. 5-th MSMW |
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2 |
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592-594 |
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NbN HEB mixers |
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To put space-based and airborne heterodyne instruments into operation at frequencies above 1 THz the superconducting NbN hot-electron bolometer (HEB) will be incorporated into heterodyne receiver as a mixer. At frequencies above 1.3 THz the sensitivity of the NbN HEB mixers outperform the one of the Schottky diodes and SIS-mixers, and the receiver noise temperature of the NbN HEB mixers increase with frequency. In this paper we present the results of the noise temperature measurements within one batch of NbN HEB mixers based on 3.5 mn thick superconducting NbN film grown on Si substrate with MgO buffer layer at the LO frequencies 2.5 THz and 3.8 THz. |
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Kharkov, Ukraine |
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Kharkov, Ukraine |
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The Fifth International Kharkov Symposium on Physics and Engineering of Microwaves, Millimeter, and Submillimeter Waves (IEEE Cat. No.04EX828) |
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351 |
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Shurakov, A.; Seliverstov, S.; Kaurova, N.; Finkel, M.; Voronov, B.; Goltsman, G. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Input bandwidth of hot electron bolometer with spiral antenna |
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Journal Article |
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Year |
2012 |
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IEEE Trans. THz Sci. Technol. |
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IEEE Trans. THz Sci. Technol. |
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2 |
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4 |
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400-405 |
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NbN HEB bolometers bandwidth, log-spiral antenna |
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We report the results of our study of the input bandwidth of hot electron bolometers (HEB) embedded into the planar log-spiral antenna. The sensitive element is made of the ultrathin superconducting NbN film patterned as a bridge at the feed of the antenna. The contacts between the antenna and a sensitive element are made from in situ deposited gold (i.e., deposited over NbN film without breaking vacuum), which gives high quality contacts and makes the response of the HEB at higher frequencies less affected by the RF loss. An accurate experimental spectroscopic procedure is demonstrated that leads to the confirmation of the wide ( 8 THz) bandwidth in this antenna coupled device. |
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2156-342X |
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no |
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1161 |
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Pernice, W. H. P.; Schuck, C.; Minaeva, O.; Li, M.; Goltsman, G. N.; Sergienko, A. V.; Tang, H. X. |
![goto web page (via DOI) doi](img/doi.gif)
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High-speed and high-efficiency travelling wave single-photon detectors embedded in nanophotonic circuits |
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Journal Article |
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2012 |
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Nat. Commun. |
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Nat. Commun. |
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3 |
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1325 (1 to 10) |
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waveguide SSPD |
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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. |
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Department of Electrical Engineering, Yale University, New Haven, Connecticut 06511, USA |
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2041-1723 |
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PMID:23271658; PMCID:PMC3535416 |
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no |
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1375 |
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Kahl, O.; Ferrari, S.; Kovalyuk, V.; Vetter, A.; Lewes-Malandrakis, G.; Nebel, C.; Korneev, A.; Goltsman, G.; Pernice, W. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Spectrally multiplexed single-photon detection with hybrid superconducting nanophotonic circuits |
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Journal Article |
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2017 |
Publication |
Optica |
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Optica |
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4 |
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5 |
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557-562 |
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Waveguide integrated superconducting single-photon detectors; Nanophotonics and photonic crystals; Quantum detectors; Spectrometers and spectroscopic instrumentation |
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The detection of individual photons by superconducting nanowire single-photon detectors is an inherently binary mechanism, revealing either their absence or presence while concealing their spectral information. For multicolor imaging techniques, such as single-photon spectroscopy, fluorescence resonance energy transfer microscopy, and fluorescence correlation spectroscopy, wavelength discrimination is essential and mandates spectral separation prior to detection. Here, we adopt an approach borrowed from quantum photonic integration to realize a compact and scalable waveguide-integrated single-photon spectrometer capable of parallel detection on multiple wavelength channels, with temporal resolution below 50 ps and dark count rates below 10 Hz at 80% of the devices' critical current. We demonstrate multidetector devices for telecommunication and visible wavelengths, and showcase their performance by imaging silicon vacancy color centers in diamond nanoclusters. The fully integrated hybrid superconducting nanophotonic circuits enable simultaneous spectroscopy and lifetime mapping for correlative imaging and provide the ingredients for quantum wavelength-division multiplexing on a chip. |
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no |
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RPLAB @ kovalyuk @ |
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1119 |
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Korneev, A.; Finkel, M.; Maslennikov, S.; Korneeva, Yu.; Florya, I.; Tarkhov, M.; Elezov, M.; Ryabchun, S.; Tretyakov, I.; Isupova, A.; Voronov, B.; Goltsman, G. |
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Superconducting NbN terahertz detectors and infrared photon counters |
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Journal Article |
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2010 |
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Вестник НГУ. Серия: физ. |
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Вестник НГУ. Серия: физ. |
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5 |
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4 |
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68-72 |
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HEB; HEB mixer |
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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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1818-7994 |
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УДК 538.9 |
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RPLAB @ gujma @ |
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708 |
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Kahl, O.; Ferrari, S.; Kovalyuk, V.; Goltsman, G. N.; Korneev, A.; Pernice, W. H. P. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Waveguide integrated superconducting single-photon detectors with high internal quantum efficiency at telecom wavelengths |
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Journal Article |
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2015 |
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Sci. Rep. |
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Sci. Rep. |
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5 |
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10941 (1 to 11) |
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optical waveguides; waveguide integrated SSPD; waveguide SSPD; nanophotonics |
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Superconducting nanowire single-photon detectors (SNSPDs) provide high efficiency for detecting individual photons while keeping dark counts and timing jitter minimal. Besides superior detection performance over a broad optical bandwidth, compatibility with an integrated optical platform is a crucial requirement for applications in emerging quantum photonic technologies. Here we present efficiencies close to unity at 1550nm wavelength. This allows for the SNSPDs to be operated at bias currents far below the critical current where unwanted dark count events reach milli-Hz levels while on-chip detection efficiencies above 70% are maintained. The measured dark count rates correspond to noiseequivalent powers in the 10–19W/Hz–1/2 range and the timing jitter is as low as 35ps. Our detectors are fully scalable and interface directly with waveguide-based optical platforms. |
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PMID:26061283; PMCID:PMC4462017 |
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RPLAB @ kovalyuk @ |
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946 |
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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](img/doi.gif)
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Title |
The detection of sub-terahertz radiation using graphene-layer and graphene-nanoribbon FETs with asymmetric contacts |
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Conference Article |
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2018 |
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Materials Today: Proc. |
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Materials Today: Proc. |
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Volume ![sorted by Volume (numeric) field, ascending order (up)](img/sort_asc.gif) |
5 |
Issue |
13 |
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27301-27306 |
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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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Gershenzon, E. M.; Goltsman, G. N. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Zeeman effect in excited-states of donors in germanium |
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Journal Article |
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1972 |
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Sov. Phys. Semicond. |
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Sov. Phys. Semicond. |
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6 |
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3 |
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509 |
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Ge, donors, Zeeman effect |
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Amer Inst Physics 1305 Walt Whitman Rd, Ste 300, Melville, Ny 11747-4501 Usa |
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1737 |
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Vorobyov, V. V.; Kazakov, A. Y.; Soshenko, V. V.; Korneev, A. A.; Shalaginov, M. Y.; Bolshedvorskii, S. V.; Sorokin, V. N.; Divochiy, A. V.; Vakhtomin, Y. B.; Smirnov, K. V.; Voronov, B. M.; Shalaev, V. M.; Akimov, A. V.; Goltsman, G. N. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Superconducting detector for visible and near-infrared quantum emitters [Invited] |
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Journal Article |
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2017 |
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Opt. Mater. Express |
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Opt. Mater. Express |
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Volume ![sorted by Volume (numeric) field, ascending order (up)](img/sort_asc.gif) |
7 |
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2 |
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513-526 |
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SSPD, SNSPD |
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Further development of quantum emitter based communication and sensing applications intrinsically depends on the availability of robust single-photon detectors. Here, we demonstrate a new generation of superconducting single-photon detectors specifically optimized for the 500–1100 nm wavelength range, which overlaps with the emission spectrum of many interesting solid-state atom-like systems, such as nitrogen-vacancy and silicon-vacancy centers in diamond. The fabricated detectors have a wide dynamic range (up to 350 million counts per second), low dark count rate (down to 0.1 counts per second), excellent jitter (62 ps), and the possibility of on-chip integration with a quantum emitter. In addition to performance characterization, we tested the detectors in real experimental conditions involving nanodiamond nitrogen-vacancy emitters enhanced by a hyperbolic metamaterial. |
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2159-3930 |
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1234 |
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Gershenzon, E. M.; Goltsman, G. N.; Ptitsyna, N. G. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Investigation of excited donor states in GaAs |
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Journal Article |
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1974 |
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Sov. Phys. Semicond. |
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Sov. Phys. Semicond. |
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7 |
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10 |
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1248-1250 |
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GaAs, excited donor states |
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Amer Inst Physics 1305 Walt Whitman Rd, Ste 300, Melville, Ny 11747-4501 Usa |
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1733 |
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