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Korneev, A.; Divochiy, A.; Tarkhov, M.; Minaeva, O.; Seleznev, V.; Kaurova, N.; Voronov, B.; Okunev, O.; Chulkova, G.; Milostnaya, I.; Smirnov, K.; Gol'tsman, G. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
New advanced generation of superconducting NbN-nanowire single-photon detectors capable of photon number resolving |
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Conference Article |
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2008 |
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J. Phys.: Conf. Ser. |
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J. Phys.: Conf. Ser. |
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97 |
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012307 (1 to 6) |
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PNR SSPD; SNSPD |
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We present our latest generation of ultrafast superconducting NbN single-photon detectors (SSPD) capable of photon-number resolving (PNR). We have developed, fabricated and tested a multi-sectional design of NbN nanowire structures. The novel SSPD structures consist of several meander sections connected in parallel, each having a resistor connected in series. The novel SSPDs combine 10 μm × 10 μm active areas with a low kinetic inductance and PNR capability. That resulted in a significantly reduced photoresponse pulse duration, allowing for GHz counting rates. The detector's response magnitude is directly proportional to the number of incident photons, which makes this feature easy to use. We present experimental data on the performances of the PNR SSPDs. The PNR SSPDs are perfectly suited for fibreless free-space telecommunications, as well as for ultrafast quantum cryptography and quantum computing. |
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1742-6596 |
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1245 |
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Kovalyuk, V.; Ferrari, S.; Kahl, O.; Semenov, A.; Lobanov, Y.; Shcherbatenko, M.; Korneev, A.; Pernice, W.; Goltsman, G. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Waveguide integrated superconducting single-photon detector for on-chip quantum and spectral photonic application |
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Conference Article |
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2017 |
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J. Phys.: Conf. Ser. |
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J. Phys.: Conf. Ser. |
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917 |
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062032 |
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Keywords |
SSPD, SNSPD, waveguide |
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With use of the travelling-wave geometry approach, integrated superconductor- nanophotonic devices based on silicon nitride nanophotonic waveguide with a superconducting NbN-nanowire suited on top of the waveguide were fabricated. NbN-nanowire was operated as a single-photon counting detector with up to 92 % on-chip detection efficiency in the coherent mode, serving as a highly sensitive IR heterodyne mixer with spectral resolution (f/df) greater than 106 in C-band at 1550 nm wavelength |
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RPLAB @ kovalyuk @ |
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1140 |
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Zubkova, E.; An, P.; Kovalyuk, V.; Korneev, A.; Ferrari, S.; Pernice, W.; Goltsman, G. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Integrated Bragg waveguides as an efficient optical notch filter on silicon nitride platform |
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Conference Article |
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2017 |
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J. Phys.: Conf. Ser. |
Abbreviated Journal ![sorted by Abbreviated Journal field, ascending order (up)](img/sort_asc.gif) |
J. Phys.: Conf. Ser. |
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917 |
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062042 |
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Si3N4, Bragg waveguides |
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We modeled and fabricated integrated optical Bragg waveguides on a silicon nitride (Si3N4) platform. These waveguides would serve as efficient notch-filters with the desired characteristics. Transmission spectra of the fabricated integrated notch filters have been measured and attenuation at the desired wavelength of 1550 nm down to -43 dB was observed. Performance of the filters has been studied depending on different parameters, such as pitch, filling factor, and height of teeth of the Bragg grating |
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RPLAB @ kovalyuk @ |
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1141 |
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Komrakova, S.; Javadzade, J.; Vorobyov, V.; Bolshedvorskii, S.; Soshenko, V.; Akimov, A.; Kovalyuk, V.; Korneev, A.; Goltsman, G. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
CMOS compatible nanoantenna-nanodiamond integration |
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Conference Article |
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Year |
2019 |
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J. Phys.: Conf. Ser. |
Abbreviated Journal ![sorted by Abbreviated Journal field, ascending order (up)](img/sort_asc.gif) |
J. Phys.: Conf. Ser. |
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1410 |
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Pages |
012180 |
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Keywords |
bull-eye antenna, hyperbolic metamaterials, NV-centers |
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Here we demonstrate CMOS compatible method to deterministically produce nanoantenna with nanodiamonds systems on example of bull-eye antenna on top of on hyperbolic metamaterials. We study the statistics of the placement of nanodiamonds and measure the fluorescence lifetime and the second-order correlation function of NV-centers inside nanodiamonds. |
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1742-6588 |
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no |
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1182 |
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Zubkova, E.; Golikov, A.; An, P.; Kovalyuk, V.; Korneev, A.; Ferrari, S.; Pernice, W.; Goltsman, G. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
CWDM demultiplexer using anti-reflection, contra-directional couplers based on silicon nitride rib waveguide |
Type |
Conference Article |
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Year |
2019 |
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J. Phys.: Conf. Ser. |
Abbreviated Journal ![sorted by Abbreviated Journal field, ascending order (up)](img/sort_asc.gif) |
J. Phys.: Conf. Ser. |
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Volume |
1410 |
Issue |
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Pages |
012179 |
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Keywords |
coarse wavelength-division multiplexing, Si3N4 rib waveguide |
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We report on the development and fabrication of a 9-channel coarse wavelength-division multiplexing for telecommunication wavelengths (1550 nm) using anti-reflection contra-directional couplers, based on silicon nitride (Si3N4) rib waveguide. The transmitted and reflected spectrum in each channel of the demultiplexer were measured. The average full width at half maximum of the transmitted (reflected) spectra is about 3 nm. |
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1742-6588 |
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no |
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1183 |
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An, P.; Kovalyuk, V.; Golikov, A.; Zubkova, E.; Ferrari, S.; Korneev, A.; Pernice, W.; Goltsman, G. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Experimental optimisation of O-ring resonator Q-factor for on-chip spontaneous four wave mixing |
Type |
Conference Article |
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Year |
2018 |
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J. Phys.: Conf. Ser. |
Abbreviated Journal ![sorted by Abbreviated Journal field, ascending order (up)](img/sort_asc.gif) |
J. Phys.: Conf. Ser. |
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1124 |
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Pages |
051047 |
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planar O-ring resonators, Q-factor |
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In this paper we experimentally studied the influence of geometrical parameters of the planar O-ring resonators on its Q-factor and losses. We systematically changed the gap between the bus waveguide and the ring, as well as the width of the ring. We found the highest Q = 5×105 for gap 2.0 μm and the ring width 2 μm. This work is important for further on-chip SFWM applications since the generation rate of the biphoton field strongly depends on the quality factor as Q3 |
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1742-6588 |
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1191 |
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Golikov, A.; Kovalyuk, V.; An, P.; Zubkova, E.; Ferrari, S.; Pernice, W.; Korneev, A.; Goltsman, G. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Silicon nitride nanophotonic circuit for on-chip spontaneous four-wave mixing |
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Conference Article |
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Year |
2018 |
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J. Phys.: Conf. Ser. |
Abbreviated Journal ![sorted by Abbreviated Journal field, ascending order (up)](img/sort_asc.gif) |
J. Phys.: Conf. Ser. |
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1124 |
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051051 |
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Keywords |
O-ring resonator |
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Here we present an integrated nanophotonic circuit for on-chip spontaneous four-wave mixing. The fabricated device includes an O-ring resonator, a Bragg noch-filter as well as a nine-channel arrayed waveguide gratings (AWG) operated in the C-band wavelength range (1550 nm). The measured optical losses of the device (-6.8 dB) as well as a high Q-factor (> 1.2×105) shows a good potential for realizing the spontaneous four-wave mixing on the silicon nitride chip. |
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1742-6588 |
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no |
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1193 |
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Smirnov, E.; Golikov, A.; Zolotov, P.; Kovalyuk, V.; Lobino, M.; Voronov, B.; Korneev, A.; Goltsman, G. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Superconducting nanowire single-photon detector on lithium niobate |
Type |
Conference Article |
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Year |
2018 |
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J. Phys.: Conf. Ser. |
Abbreviated Journal ![sorted by Abbreviated Journal field, ascending order (up)](img/sort_asc.gif) |
J. Phys.: Conf. Ser. |
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1124 |
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051025 |
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SSPD, SNSPD, lithium niobate, LN |
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We demonstrate superconducting niobium nitride nanowires folded on top of lithium niobate substrate. We report of 6% system detection efficiency at 20 s−1 dark count rate at telecommunication wavelength (1550 nm). Our results shown great potential for the use of NbN nanowires in the field of linear and nonlinear integrated quantum photonics. |
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1742-6588 |
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1194 |
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Zubkova, E.; An, P.; Kovalyuk, V.; Korneev, A.; Ferrari, S.; Pernice, W.; Goltsman, G. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Optimization of contra-directional coupler based on silicon nitride Bragg rib waveguide |
Type |
Conference Article |
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Year |
2018 |
Publication |
J. Phys.: Conf. Ser. |
Abbreviated Journal ![sorted by Abbreviated Journal field, ascending order (up)](img/sort_asc.gif) |
J. Phys.: Conf. Ser. |
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Volume |
1124 |
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051048 |
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Bragg waveguide, Si3N4 |
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We report on the development and fabrication of a contra-directional coupler based on the Bragg waveguide on Si3N4 platform. Transmitted and reflected by the contra-directional coupler spectra were measured. The reflected spectra exactly matches the one notched by the main channel of the coupler. Losses are about 3dB, coupling to the directing branch of the coupler is practically lossless. FWHM of the transmitted (reflected) spectra is 3.46 nm. |
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1742-6588 |
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1195 |
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Prokhodtsov, A.; An, P.; Kovalyuk, V.; Zubkova, E.; Golikov, A.; Korneev, A.; Ferrari, S.; Pernice, W.; Goltsman, G. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Optimization of on-chip photonic delay lines for telecom wavelengths |
Type |
Conference Article |
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Year |
2018 |
Publication |
J. Phys.: Conf. Ser. |
Abbreviated Journal ![sorted by Abbreviated Journal field, ascending order (up)](img/sort_asc.gif) |
J. Phys.: Conf. Ser. |
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1124 |
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051052 |
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optical delay lines |
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In this work, we experimentally studied optical delay lines on silicon nitride platform for telecomm wavelength (1550 nm). We modeled the group delay time and fabricated spiral optical delay lines with different waveguide widths and radii as well as measured their transmission. For the half etched rib waveguides we achieved the losses in the range of 3 dB/cm. |
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1742-6588 |
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1196 |
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