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Minaeva O, Divochiy A, Korneev A, Sergienko AV, Goltsman GN. High speed infrared photon counting with photon number resolving superconducting single-photon detectors (SSPDs). In: CLEO/Europe – EQEC.; 2009.
Abstract: A review of development and characterization of the nanostructures consisting of several meander sections, all connected in parallel was presented. Such geometry leads to a significant decrease of the kinetic inductance, without a decrease of the SSPD active area. A new type of SSPDs possess the QE of large-active- area devices, but, simultaneously, allows achieving short response times and the GHz-counting rate. This new generation of superconducting detectors has another significant advantage for quantum key distribution, they have a photon number resolving capability and can distinguish more photons.
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Esteban E, Serna H. Quantum key distribution protocol with private-public key. arXiv. 2009:3.
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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Dauler E, Kerman A, Robinson B, Yang J, Voronov B, Goltsman G, et al. Photon-number-resolution with sub-30-ps timing using multi-element superconducting nanowire single photon detectors. J Modern Opt. 2009;56(2):364–73.
Abstract: A photon-number-resolving detector based on a four-element superconducting nanowire single photon detector is demonstrated to have sub-30-ps resolution in measuring the arrival time of individual photons. This detector can be used to characterize the photon statistics of non-pulsed light sources and to mitigate dead-time effects in high-speed photon counting applications. Furthermore, a 25% system detection efficiency at 1550 nm was demonstrated, making the detector useful for both low-flux source characterization and high-speed photon-counting and quantum communication applications. The design, fabrication and testing of this detector are described, and a comparison between the measured and theoretical performance is presented.
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Shor PW. Quantum information theory: The bits don't add up. Nat Phys. 2009;5:247–8.
Abstract: A counterexample to the 'additivity question', the most celebrated open problem in the mathematical theory of quantum information, casts doubt on the possibility of finding a simple expression for the information capacity of a quantum channel.
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Treuttel J, Thomas B, Maestrini A, Wang H, Alderman B, Siles JV, et al. A 380 GHz sub-harmonic mixer using MMIC foundry based Schottky diodes transferred onto quartz substrate. In: Proc. 20th Int. Symp. Space Terahertz Technol. Charlottesville, Virginia, USA; 2009.
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Минаева ОВ. Быстродействующий однофотонный детектор на основе тонкой сверхпроводниковой пленки NbN [Ph.D. thesis].; 2009.
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Ryabchun SA, Tretyakov IV, Finkel MI, Maslennikov SN, Kaurova NS, Seleznev VA, et al. NbN phonon-cooled hot-electron bolometer mixer with additional diffusion cooling. In: Proc. 20th Int. Symp. Space Terahertz Technol. Charlottesville, USA; 2009. p. 151–4.
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Рябчун СА. Широкополосные высокостабильные терагерцовые смесители на горячих электронах из тонких сверхпроводниковых пленок NbN [Ph.D. thesis].; 2009.
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Driessen EFC. Coupling light to periodic nanostructures. Fac Scien, Leiden Un. 2009:144.
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Смирнов АВ. Исследование полосы преобразования терагерцовых смесителей на эффекте электронного разогрева в NbZr, NbN и в одиночном гетеропереходе AlGaAs/GaAs.; 2009.
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