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Author Korneev, Alexander; Golt'sman, Gregory; Pernice, Wolfram url  openurl
  Title Photonic integration meets single-photon detection Type Miscellaneous
  Year 2015 Publication Laser Focus World Abbreviated Journal Laser Focus World  
  Volume 51 Issue 5 Pages 47-50  
  Keywords (up) optical waveguide SSPD, SNSPD  
  Abstract By embedding superconducting nanowire single-photon detectors (SNSPDs) in nanophotonic circuits, these waveguide-integrated detectors are a key building block for future on-chip quantum computing applications.  
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  Notes Approved no  
  Call Number RPLAB @ akorneev @ Serial 1126  
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Author Kahl, O.; Ferrari, S.; Kovalyuk, V.; Goltsman, G. N.; Korneev, A.; Pernice, W. H. P. doi  openurl
  Title Waveguide integrated superconducting single-photon detectors with high internal quantum efficiency at telecom wavelengths Type Journal Article
  Year 2015 Publication Sci. Rep. Abbreviated Journal Sci. Rep.  
  Volume 5 Issue Pages 10941 (1 to 11)  
  Keywords (up) optical waveguides; waveguide integrated SSPD; waveguide SSPD; nanophotonics  
  Abstract 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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  Notes PMID:26061283; PMCID:PMC4462017 Approved no  
  Call Number RPLAB @ kovalyuk @ Serial 946  
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Author An, P.; Kovalyuk, V.; Golikov, A.; Zubkova, E.; Ferrari, S.; Korneev, A.; Pernice, W.; Goltsman, G. url  doi
openurl 
  Title Experimental optimisation of O-ring resonator Q-factor for on-chip spontaneous four wave mixing Type Conference Article
  Year 2018 Publication J. Phys.: Conf. Ser. Abbreviated Journal J. Phys.: Conf. Ser.  
  Volume 1124 Issue Pages 051047  
  Keywords (up) planar O-ring resonators, Q-factor  
  Abstract 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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  ISSN 1742-6588 ISBN Medium  
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  Notes Approved no  
  Call Number Serial 1191  
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Author 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. url  openurl
  Title Superconducting NbN-nanowire single-photon detectors capable of photon number resolving Type Conference Article
  Year 2008 Publication Supercond. News Forum Abbreviated Journal Supercond. News Forum  
  Volume Issue Pages  
  Keywords (up) PNR SSPD, SNSPD  
  Abstract We present our latest generation of ultra-fast superconducting NbN single-photon detectors (SSPD) capable of photon-number resolving (PNR). The novel SSPDs combine 10 μm x 10 μm active area with low kinetic inductance and PNR capability. That resulted in 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 performance of the PNR SSPDs. These detectors are perfectly suited for fibreless free-space telecommunications, as well as for ultra-fast quantum cryptography and quantum computing.  
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  Notes Reference No. ST34, paper # 012307, eventually not pulished (skipped) at https://iopscience.iop.org/issue/0953-2048/21/1 Approved no  
  Call Number RPLAB @ sasha @ korneevsuperconducting Serial 1046  
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Author 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. url  doi
openurl 
  Title New advanced generation of superconducting NbN-nanowire single-photon detectors capable of photon number resolving Type Conference Article
  Year 2008 Publication J. Phys.: Conf. Ser. Abbreviated Journal J. Phys.: Conf. Ser.  
  Volume 97 Issue Pages 012307 (1 to 6)  
  Keywords (up) PNR SSPD; SNSPD  
  Abstract 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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  Series Volume Series Issue Edition  
  ISSN 1742-6596 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 1245  
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