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Minaeva, O., Divochiy, A., Korneev, A., Sergienko, A. V., & Goltsman, G. N. (2009). High speed infrared photon counting with photon number resolving superconducting single-photon detectors (SSPDs). In CLEO/Europe – EQEC.
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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