| Records |
| Author |
Kovalyuk, V.; Ferrari, S.; Kahl, O.; Semenov, A.; Shcherbatenko, M.; Lobanov, Y.; Ozhegov, R.; Korneev, A.; Kaurova, N.; Voronov, B.; Pernice, W.; Gol'tsman, G. |
| Title |
On-chip coherent detection with quantum limited sensitivity |
Type |
Journal Article |
| Year |
2017 |
Publication |
Sci Rep |
Abbreviated Journal |
Sci Rep |
| Volume |
7 |
Issue |
1 |
Pages |
4812 |
| Keywords |
waveguide, SSPD, SNSPD |
| Abstract |
While single photon detectors provide superior intensity sensitivity, spectral resolution is usually lost after the detection event. Yet for applications in low signal infrared spectroscopy recovering information about the photon's frequency contributions is essential. Here we use highly efficient waveguide integrated superconducting single-photon detectors for on-chip coherent detection. In a single nanophotonic device, we demonstrate both single-photon counting with up to 86% on-chip detection efficiency, as well as heterodyne coherent detection with spectral resolution f/f exceeding 10(11). By mixing a local oscillator with the single photon signal field, we observe frequency modulation at the intermediate frequency with ultra-low local oscillator power in the femto-Watt range. By optimizing the nanowire geometry and the working parameters of the detection scheme, we reach quantum-limited sensitivity. Our approach enables to realize matrix integrated heterodyne nanophotonic devices in the C-band wavelength range, for classical and quantum optics applications where single-photon counting as well as high spectral resolution are required simultaneously. |
| Address |
National Research University Higher School of Economics, Moscow, 101000, Russia. ggoltsman@hse.ru |
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| ISSN |
2045-2322 |
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PMID:28684752; PMCID:PMC5500578 |
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no |
| Call Number |
RPLAB @ kovalyuk @ |
Serial |
1129 |
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| Author |
Pyatkov, F.; Khasminskaya, S.; Kovalyuk, V.; Hennrich, F.; Kappes, M. M.; Goltsman, G. N.; Pernice, W. H. P.; Krupke, R. |
| Title |
Sub-nanosecond light-pulse generation with waveguide-coupled carbon nanotube transducers |
Type |
Journal Article |
| Year |
2017 |
Publication |
Beilstein J. Nanotechnol. |
Abbreviated Journal |
Beilstein J. Nanotechnol. |
| Volume |
8 |
Issue |
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Pages |
38-44 |
| Keywords |
carbon nanotubes; CNT; infrared; integrated optics devices; nanomaterials |
| Abstract |
Carbon nanotubes (CNTs) have recently been integrated into optical waveguides and operated as electrically-driven light emitters under constant electrical bias. Such devices are of interest for the conversion of fast electrical signals into optical ones within a nanophotonic circuit. Here, we demonstrate that waveguide-integrated single-walled CNTs are promising high-speed transducers for light-pulse generation in the gigahertz range. Using a scalable fabrication approach we realize hybrid CNT-based nanophotonic devices, which generate optical pulse trains in the range from 200 kHz to 2 GHz with decay times below 80 ps. Our results illustrate the potential of CNTs for hybrid optoelectronic systems and nanoscale on-chip light sources. |
| Address |
Department of Materials and Earth Sciences, Technische Universitat Darmstadt, Darmstadt 64287, Germany |
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2190-4286 |
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PMID:28144563; PMCID:PMC5238692 |
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no |
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RPLAB @ kovalyuk @ |
Serial |
1109 |
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| Author |
Wördenweber, Roger; Moshchalkov, Victor; Bending, Simon; Tafuri, Francesco (eds) |
| Title |
Superconductors at the nanoscale. From basic research to applications |
Type |
Book Whole |
| Year |
2017 |
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| Publisher |
Walter de Gruyter GmbH |
Place of Publication |
Berlin/Boston |
Editor |
Wördenweber, Roger; Moshchalkov, Victor; Bending, Simon; Tafuri, Francesco |
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978-3-11-045620-2 |
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| Notes |
Page shift = 14 |
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no |
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1139 |
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| Author |
Pentin, Ivan; Finkel, Matvey; Maslennikov, Sergey; Vakhtomin, Yuri; Smirnov, Konstantin; Kaurova, Nataliya; Goltsman, Gregory |
| Title |
Superconducting hot-electron-bolometer mixers for the mid-IR |
Type |
Journal Article |
| Year |
2017 |
Publication |
Rus. J. Radio Electron. |
Abbreviated Journal |
Rus. J. Radio Electron. |
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Issue |
10 |
Pages |
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| Keywords |
IR NbN HEB mixers |
| Abstract |
The work presents the result of development of the NbN superconducting hot-electron-bolometer (HEB) mixer. The sensitive element of the mixer is directly coupled to mid-IR radiation, and doesn’t have planar metallic antenna. Investigations of noise characteristics of NbN HEB mixer were performed at the frequency 28.4 THz (λ = 10.6 µm) by using gas-discharge CW CO2-laser without consideration of optical and electrical losses in the heterodyne receiver. The noise temperature of NbN HEB mixer with the size of the sensitive element 10 µm × 10 µm was 2320 K (~ 1.5hν/kB) at the heterodyne frequency of 28.4 THz. The noise temperature was determined by measuring the Y-factor taking into account the term which describes fluctuations of zero-point oscillations in accordance with the fluctuation-dissipation theorem of Calle-Welton. Isothermal method was used to estimate the absorbed heterodyne radiation power which was 9 µW at the optimal operating point for the minimum noise temperature of NbN HEB mixer. |
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Russian |
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1684-1719 |
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http://jre.cplire.ru/jre/oct17/9/abstract.html (Russian) Гетеродинный приемник со сверхпроводниковым смесителем на эффекте электронного разогрева для среднего инфракрасного диапазона |
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no |
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1747 |
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| Author |
Zubkova, E.; An, P.; Kovalyuk, V.; Korneev, A.; Goltsman, G. |
| Title |
Integrated Bragg waveguides as an efficient optical notch filter on silicon nitride platform |
Type |
Conference Article |
| Year |
2017 |
Publication |
Proc. SPBOPEN |
Abbreviated Journal |
Proc. SPBOPEN |
| Volume |
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Issue |
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Pages |
449-450 |
| Keywords |
Bragg waveguides |
| Abstract |
We modeled and fabricated integrated optical Bragg waveguides on a silicon nitride (Si3N4) platform. Transmission spectra of the integrated notch filter has been measured and attenuation at the desired wavelength of 1550 nm down to -43 dB was observed. |
| Address |
St. Petersburg, Russia |
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| Notes |
Duplicated as 1141 |
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no |
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1257 |
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