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Author Goltsman, G. N.
Title Submillimeter superconducting receivers for astronomy, atmospheric studies and other applications Type Abstract
Year 2006 Publication (up) 31nd IRMW / 14th ICTE Abbreviated Journal 31nd IRMW / 14th ICTE
Volume Issue Pages 177
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Area Expedition Conference Joint 31st International Conference on Infrared Millimeter Waves and 14th International Conference on Teraherz Electronics
Notes Approved no
Call Number Serial 1443
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Author Goltsman, G. N.; Korneev, A. A.; Finkel, M. I.; Divochiy, A. V.; Florya, I. N.; Korneeva, Y. P.; Tarkhov, M. A.; Ryabchun, S. A.; Tretyakov, I. V.; Maslennikov, S. N.; Kaurova, N. S.; Chulkova, G. M.; Voronov, B. M.
Title Superconducting hot-electron bolometer as THz mixer, direct detector and IR single-photon counter Type Abstract
Year 2010 Publication (up) 35th Int. Conf. Infrared, Millimeter, and Terahertz Waves Abbreviated Journal
Volume Issue Pages 1-1
Keywords SSPD, SNSPD, HEB
Abstract We present a new generation of superconducting single-photon detectors (SSPDs) and hot-electron superconducting sensors with record characteristic for many terahertz and optical applications.
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ISSN 2162-2027 ISBN Medium
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Notes Approved no
Call Number RPLAB @ sasha @ goltsman2010superconducting Serial 1028
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Author Averkin, A. S.; Shishkin, A. G.; Chichkov, V. I.; Voronov, B. M.; Goltsman, G. N.; Karpov, A.; Ustinov, A. V.
Title Tunable frequency-selective surface based on superconducting split-ring resonators Type Conference Article
Year 2014 Publication (up) 8th Metamaterials Abbreviated Journal 8th Metamaterials
Volume Issue Pages
Keywords superconducting split-ring resonators
Abstract We study a possibility to use the 2D superconducting metamaterial as a tunable frequency-selective surface (FSS). The proposed FSS is made of sub-wavelength size (l/14) metamaterial unit cells, where a split-ring resonator is embedded in a small iris aperture in a metal plane. The split-ring resonator is made of NbN film, and its resonance frequency is tuned by the temperature of the sample, changing the kinetic inductance of NbN film. The Ansoft HFSS simulation predicts the FSS tuning range of about 10-20 %. The developed superconducting FSS may be used as a tunable band-pass filter or modulator.
Address Copenhagen, Denmark
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Area Expedition Conference 8th International Congress on Advanced Electromagnetic Materials in Microwaves and Optics – Metamaterials
Notes Approved no
Call Number Serial 1749
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Author Rasulova, G. K.; Pentin, I. V.; Goltsman, G. N.
Title Terahertz emission from a weakly-coupled GaAs/AlGaAs superlattice biased into three different modes of current self-oscillations Type Journal Article
Year 2019 Publication (up) AIP Advances Abbreviated Journal AIP Advances
Volume 9 Issue 10 Pages 105220
Keywords GaAs/AlGaAs superlattice, SL, NbN HEB
Abstract Radio-frequency modulated terahertz (THz) emission power from weakly-coupled GaAs/AlGaAs superlattice (SL) has been increased by parallel connection of several SL mesas. Each SL mesa is a self-oscillator with its own oscillation frequency and mode. In coupled non-identical SL mesas biased at different voltages within the hysteresis loop the chaotic, quasiperiodic and frequency-locked modes of self-oscillations of current arise. THz emission was detected when three connected in parallel SL mesas were biased into the frequency-locked and quasiperiodic modes of self-oscillations of current, while in the chaotic mode of those it falls to the noise level.
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ISSN 2158-3226 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number Serial 1274
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Author Ferrari, S.; Kahl, O.; Kovalyuk, V.; Goltsman, G. N.; Korneev, A.; Pernice, W. H. P.
Title Waveguide-integrated single- and multi-photon detection at telecom wavelengths using superconducting nanowires Type Journal Article
Year 2015 Publication (up) Appl. Phys. Lett. Abbreviated Journal Appl. Phys. Lett.
Volume 106 Issue 15 Pages 151101 (1 to 5)
Keywords SSPD, SNSPD
Abstract We investigate single- and multi-photon detection regimes of superconducting nanowire detectors embedded in silicon nitride nanophotonic circuits. At near-infrared wavelengths, simultaneous detection of up to three photons is observed for 120 nm wide nanowires biased far from the critical current, while narrow nanowires below 100 nm provide efficient single photon detection. A theoretical model is proposed to determine the different detection regimes and to calculate the corresponding internal quantum efficiency. The predicted saturation of the internal quantum efficiency in the single photon regime agrees well with plateau behavior observed at high bias currents.

W. H. P. Pernice acknowledges support by the DFG Grant Nos. PE 1832/1-1 and PE 1832/1-2 and the Helmholtz society through Grant No. HIRG-0005. The Ph.D. education of O. Kahl is embedded in the Karlsruhe School of Optics and Photonics (KSOP). G. N. Goltsman acknowledges support by Russian Federation President Grant HШ-1918.2014.2 and Ministry of Education and Science of the Russian Federation Contract No.: RFMEFI58614X0007. A. Korneev acknowledges support by Statement Task No. 3.1846.2014/k. V. Kovalyuk acknowledges support by Statement Task No. 2327. We also acknowledge support by the Deutsche Forschungsgemeinschaft (DFG) and the State of Baden-Württemberg through the DFG-Center for Functional Nanostructures (CFN) within subproject A6.4. We thank S. Kühn and S. Diewald for the help with device fabrication as well as B. Voronov and A. Shishkin for help with NbN thin film deposition and A. Semenov for helpful discussion about the detection mechanism of nanowire SSPD's.

The authors declare no competing financial interests.
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ISSN 0003-6951 ISBN Medium
Area Expedition Conference
Notes Approved no
Call Number Serial 1211
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