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Author (up) Esteban, Eduin; Serna, Hernandez openurl 
  Title Quantum key distribution protocol with private-public key Type Journal Article
  Year 2009 Publication arXiv Abbreviated Journal arXiv  
  Volume Issue Pages 3  
  Keywords quantum cryptography; QKD; protocol  
  Abstract A quantum cryptographic protocol based in public key cryptography combinations and private key cryptography is presented. Unlike the BB84 protocol 1 and its many variants 2,3 two quantum channels are used. The present research does not make reconciliation mechanisms of information to derive the key. A three related system of key distribution are described.  
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  Notes arXiv: 0908.2146 Approved no  
  Call Number RPLAB @ gujma @ Serial 756  
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Author (up) Fiore, A.; Marsili, F.; Bitauld, D.; Gaggero, A.; Leoni, R.; Mattioli, F.; Divochiy, A.; Korneev, A.; Seleznev, V.; Kaurova, N.; Minaeva, O.; Gol’tsman, G. url  doi
openurl 
  Title Counting photons using a nanonetwork of superconducting wires Type Conference Article
  Year 2009 Publication Nano-Net Abbreviated Journal  
  Volume Issue Pages 120-122  
  Keywords SSPD, SNSPD  
  Abstract We show how the parallel connection of photo-sensitive superconducting nanowires can be used to count the number of photons in an optical pulse, down to the single-photon level. Using this principle we demonstrate photon-number resolving detectors with unprecedented sensitivity and speed at telecommunication wavelengths.  
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  Publisher Springer Berlin Heidelberg Place of Publication Berlin, Heidelberg Editor Cheng, M.  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 978-3-642-02427-6 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number 10.1007/978-3-642-02427-6_20 Serial 1242  
Permanent link to this record
 
 
Author (up) Gol'tsman, B. M.; Kutasov, V. A.; Luk'yanova, L. N. openurl 
  Title Mechanism of formation of texture and its influence on the strength of thermoelectric p-Bi0.5Sb1.5Te3 Type Journal Article
  Year 2009 Publication Physics of the Solid State Abbreviated Journal Phys. Sol. St.  
  Volume 51 Issue 4 Pages 747-749  
  Keywords  
  Abstract It is established that, in preparing p-Bi0.5Sb1.5Te3 by vertical zone melting, in addition to the directional texture (characteristic of materials exhibiting a highly anisotropic growth rate) in which the cleavage planes of crystal grains are parallel to the direction of propagation of the crystallization front, other texture types can arise, in which the orientation of grain cleavage planes is ordered in a cross-sectional plane of the ingot. Two types of such textures, “radial” and “circular,” were observed. In a radial texture, the lines of intersection of grain cleavage planes with a cross-sectional plane of the ingot are oriented along radii of this cross section and, in a circular texture, these lines of intersection are oriented approximately perpendicular to a radius crossing the grain. The formation of a radial texture is associated with rotation of the ampoule with the crystallizing substance about its vertical axis causing centrifugal flows of the melt. The formation of a circular texture is associated with the orientation effect of the ampoule walls and with circular motion of the melt during torsional oscillations of the ampoule about the vertical axis. Ingots with a radial texture exhibit much lower resistance to splitting along their axis than ingots with a circular texture do. An explanation is provided for this fact.  
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  Notes Approved no  
  Call Number RPLAB @ gujma @ Serial 726  
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Author (up) Goltsman, G. url  openurl
  Title Superconducting NbN hot-electron bolometer mixer, direct detector and single-photon counter: from devices to systems Type Report
  Year 2009 Publication 2-nd Int. Conf. EUROFLUX Abbreviated Journal 2-nd Int. Conf. EUROFLUX  
  Volume Issue Pages  
  Keywords HEB, SSPD, SNSPD  
  Abstract  
  Address Avignon, France  
  Corporate Author Thesis  
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  Series Editor Series Title Abbreviated Series Title  
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  Notes Provided by the SAO/NASA Astrophysics Data System Approved no  
  Call Number Serial 1398  
Permanent link to this record
 
 
Author (up) Goltsman, G. N. url  doi
openurl 
  Title Ultrafast nanowire superconducting single-photon detector with photon number resolving capability Type Conference Article
  Year 2009 Publication Proc. SPIE Abbreviated Journal Proc. SPIE  
  Volume 7236 Issue Pages 72360D (1 to 11)  
  Keywords PNR NbN SSPD, SNSPD, superconducting single-photon detectors, photon number resolving detectors, ultrathin NbN films  
  Abstract In this paper we present a review of the state-of-the-art superconducting single-photon detector (SSPD), its characterization and applications. We also present here the next step in the development of SSPD, i.e. photon-number resolving SSPD which simultaneously features GHz counting rate. We have demonstrated resolution up to 4 photons with quantum efficiency of 2.5% and 300 ps response pulse duration providing very short dead time.  
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  Publisher SPIE Place of Publication Editor Arakawa, Y.; Sasaki, M.; Sotobayashi, H.  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 1403  
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Author (up) Goltsman, G.; Korneev, A.; Divochiy, A.; Minaeva, O.; Tarkhov, M.; Kaurova, N.; Seleznev, V.; Voronov, B.; Okunev, O.; Antipov, A.; Smirnov, K.; Vachtomin, Yu.; Milostnaya, I.; Chulkova, G. url  doi
openurl 
  Title Ultrafast superconducting single-photon detector Type Journal Article
  Year 2009 Publication J. Modern Opt. Abbreviated Journal J. Modern Opt.  
  Volume 56 Issue 15 Pages 1670-1680  
  Keywords SSPD, SNSPD  
  Abstract The state-of-the-art of the NbN nanowire superconducting single-photon detector technology (SSPD) is presented. The SSPDs exhibit excellent performance at 2 K temperature: 30% quantum efficiency from visible to infrared, negligible dark count rate, single-photon sensitivity up to 5.6 µm. The recent achievements in the development of GHz counting rate devices with photon-number resolving capability is presented.  
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  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0950-0340 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number RPLAB @ akorneev @ Serial 607  
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Author (up) Hadfield, Robert H. doi  openurl
  Title Single-photon detectors for optical quantum information applications Type Journal Article
  Year 2009 Publication Nature Photonics Abbreviated Journal Nature Photonics  
  Volume 3 Issue Pages 696-705  
  Keywords SPD  
  Abstract The past decade has seen a dramatic increase in interest in new single-photon detector technologies. A major cause of this trend has undoubtedly been the push towards optical quantum information applications such as quantum key distribution. These new applications place extreme demands on detector performance that go beyond the capabilities of established single-photon detectors. There has been considerable effort to improve conventional photon-counting detectors and to transform new device concepts into workable technologies for optical quantum information applications. This Review aims to highlight the significant recent progress made in improving single-photon detector technologies, and the impact that these developments will have on quantum optics and quantum information science.  
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  Notes Approved no  
  Call Number RPLAB @ gujma @ Serial 678  
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Author (up) Hu, Xiaolong; Dauler, Eric A.; Kerman, Andrew J.; Yang, Joel K. W.; White, James E.; Herder, Charles H.; Berggren, Karl K. openurl 
  Title Using surface plasmons to enhance the speed and efficiency of superconducting nanowire single-photon detectors Type Conference Article
  Year 2009 Publication Proceedings of the Conference on Lasers and Electro-Optics, 2009 and 2009 Conference on Quantum electronics and Laser Science Conference Abbreviated Journal Proc of Conf. on Lasers and El.-Opt.  
  Volume Issue Pages 1-2  
  Keywords optical antennas  
  Abstract We report our design and fabrication of superconducting nanowire single-photon detectors integrated with gold plasmonic nanostructures, which can enhance the absorption of TM-polarized light, and can enlarge the effective area without sacrificing detector speed.  
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  Notes Approved no  
  Call Number RPLAB @ gujma @ Serial 744  
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Author (up) Hu, Xiaolong; Zhong, Tian; White, James E.; Dauler, Eric A. Najafi, Faraz; Herder, Charles H.; Wong, Franco N. C.; Berggren, Karl K. openurl 
  Title Fiber-coupled nanowire photon counter at 1550 nm with 24% system detection efficiency Type Journal Article
  Year 2009 Publication Optics Letters Abbreviated Journal Opt. Lett.  
  Volume 34 Issue 23 Pages 3607-3609  
  Keywords SNSPD  
  Abstract We developed a fiber-coupled superconducting nanowire single-photon detector system in a close-cycled cryocooler and achieved 24% and 22% system detection efficiencies at wavelengths of 1550 and 1315 nm, respectively. The maximum dark count rate was ~1000 counts/s.  
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  Notes Approved no  
  Call Number RPLAB @ gujma @ Serial 679  
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Author (up) Jackson, B. D.; Hesper, R.; Adema, J.; Barkhof, J.; Baryshev, A. M.; Zijlstra, T.; Zhu, S.; Klapwijk, T. M. openurl 
  Title Series production of state-of-the-art 602-720 GHz SIS receivers for band 9 of ALMA Type Conference Article
  Year 2009 Publication Proc. 20th Int. Symp. Space Terahertz Technol. Abbreviated Journal  
  Volume Issue Pages 7-11  
  Keywords SIS mixer, noise temperature, ALMA, band 9  
  Abstract The Atacama Large Millimeter/Sub-millimeter Array (ALMA) requires the development and production of 73 state-of-the-art receivers for the 602-720 GHz range – the ALMA Band 9 cartridges. Development and pre-production of the first 8 cartridges was completed between 2003 and 2008, resulting in a cartridge design that meets the project's challenging requirements. The cartridge design remains essentially unchanged for production, while the production and test processes developed during pre-production have been fine-tuned to address the biggest new challenge for this phase – ramping up production to a rate of 2 cartridges per month over 2009-2012.  
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  Area Expedition Conference  
  Notes Approved no  
  Call Number Serial 618  
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