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We experimentally demonstrate quantum key distribution at 28 bit/s rate in a telecommunications fiber channel with 45 dB loss using a subcarrier wave approach. This approach offers polarization independency, high bitrates and wide multiplexing capabilities.
We investigate the response mechanism of nanowire superconducting single-photon detectors (SSPDs) made of amorphous $\hbox{Mo}_{x}\hbox{Si}_{1-x} $. We study the dependence of photon count and dark count rates on bias current in magnetic fields up to 113 mT at 1.7 K temperature. The observed behavior of photon counts is similar to the one recently observed in NbN SSPDs. Our results show that the...
Results of development of single-photon receiving systems of visible, infrared and terahertz range based on thin-film superconducting nanostructures are presented. The receiving systems are produced on the basis of superconducting nanostructures, which function by means of hot-electron phenomena.
The spectroscopic properties of Nd3+-doped photo-thermo-refractive glass (Nd:PTR) were evaluated for the first time. Authors assures that Nd:PTR is the promised laser medium due to optical qualities and designability of Nd:PTR.
The successful experiment carried out the last years on “Z” and “ANGARA-5” facilities on soft X-ray generation in wire-arrays implosion attract much attention. On “S-300” generator (700 kV, 4 MA, 70 ns) the experimental studies are also carried on with wire-array output units to create a powerful X-ray source. The development of more new diagnostic methods will definitely contribute to attain new...
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