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@ARTICLE{Gundareva:860953,
      author       = {Gundareva, Irina and Pavlovskiy, Valery and Divin, Yuriy},
      title        = {{H}igh-{T}c {J}osephson {J}unctions as {Q}uasiclassical
                      {TH}z {D}etectors},
      journal      = {IEEE transactions on applied superconductivity},
      volume       = {28},
      number       = {4},
      issn         = {1558-2515},
      address      = {New York, NY},
      publisher    = {IEEE},
      reportid     = {FZJ-2019-01594},
      pages        = {1 - 5},
      year         = {2018},
      abstract     = {[100]-tilt YBa 2 Cu 3 O 7-x bicrystal Josephson junctions
                      (JJs) with resistances R n = (50-500) Ω and characteristic
                      voltages I c R n (50 K) of 2.5 mV have been fabricated and
                      their potential as classical terahertz detectors has been
                      evaluated. The dc I-V curves of the JJs at temperatures T
                      above 40 K have been found free of hysteresis and
                      demonstrated high nonlinearity with the second derivatives d
                      2 V/dI 2 up to 10 7 -10 8 Ω/A at T = 50 K. The response
                      ΔV(I) at the current I corresponding to the maximum of d 2
                      V/dI 2 has been observed in a power range of more than four
                      orders of magnitude, and ΔV is directly proportional to the
                      incident power P (square-law detection) at low power, then
                      ΔV ~ P 1/2 (linear detection) at higher power. The
                      responses ΔV(V) at low voltages V to external radiation
                      with the frequencies from 0.05 to 3 THz have been
                      experimentally found to be proportional to d 2 V/dI 2
                      (classical detection) at low frequencies and to dV/dI
                      (Josephson detection) at high frequencies with a crossover
                      near the low-frequency limit f l = (0.9 ± 0.3) THz of the
                      ac Josephson effect in our JJs. Numerical simulations of
                      such quasiclassical detector with R n = 300 Ω at T = 50 K
                      predict the NEP-values of 5·10 -15 W/Hz 1/2 at the
                      frequencies up to 1 THz.},
      cin          = {PGI-5},
      ddc          = {620},
      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:000430727200001},
      doi          = {10.1109/TASC.2018.2822800},
      url          = {https://juser.fz-juelich.de/record/860953},
}