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@ARTICLE{Pavlovskiy:874364,
      author       = {Pavlovskiy, V. V. and Gundareva, I. I. and Volkov, O. Y.
                      and Divin, Y. Y.},
      title        = {{W}ideband detection of electromagnetic signals by high-
                      {T} c {J}osephson junctions with comparable {J}osephson and
                      thermal energies},
      journal      = {Applied physics letters},
      volume       = {116},
      number       = {8},
      issn         = {1077-3118},
      address      = {Melville, NY},
      publisher    = {American Inst. of Physics},
      reportid     = {FZJ-2020-01387},
      pages        = {082601 -},
      year         = {2020},
      abstract     = {Detection mechanisms in Josephson junctions with energies
                      Ej comparable to thermal energies kT have been studied. The
                      responses ΔV of YBa2Cu3O7−x bicrystal junctions to
                      monochromatic radiation with frequencies f ranging from
                      94 GHz to 3.1 THz can be described in terms of classical
                      rectification on a static nonlinear V–I curve at low
                      frequencies and frequency modulation of the ac Josephson
                      current at high frequencies, with an interplay between these
                      mechanisms at intermediate frequencies. An electrical
                      noise-equivalent power of (9 ± 3)
                      × 10−15 W/Hz1/2, a responsivity of (3.4 ± 0.5)
                      × 105 V/W, and a dynamic power range of 5 × 104 have
                      been demonstrated for the square-law classical detection of
                      94 GHz radiation with the junctions at 50 K. The effect
                      of background radiation on the V–I curves of YBa2Cu3O7−x
                      bicrystal junctions was found to have an optical
                      noise-equivalent temperature of ≤30 mK/Hz1/2. The main
                      contribution to the effect comes from the interplay between
                      the classical and Josephson detection mechanisms. The
                      spectral and power dependencies of the responses ΔV of
                      Josephson junctions have been numerically simulated within
                      the resistively shunted junction model at various values of
                      kT/Ej, and the results are in acceptable agreement with the
                      experimental data.},
      cin          = {PGI-5},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-5-20110106},
      pnm          = {144 - Controlling Collective States (POF3-144)},
      pid          = {G:(DE-HGF)POF3-144},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000519609100001},
      doi          = {10.1063/1.5142400},
      url          = {https://juser.fz-juelich.de/record/874364},
}