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@ARTICLE{Michael:22692,
      author       = {Michael, E.A. and Mikulics, M.},
      title        = {{L}osses from long-living photoelectrons in
                      terahertz-generating continuous-wave photomixers},
      journal      = {Applied physics letters},
      volume       = {100},
      issn         = {0003-6951},
      address      = {Melville, NY},
      publisher    = {American Institute of Physics},
      reportid     = {PreJuSER-22692},
      pages        = {191112},
      year         = {2012},
      note         = {E.A.M. acknowledges support by CONICYT Chile (Grants
                      Fondecyt No. 1090306 and ALMA No. 31080020) and by Deutsche
                      Forschungsgemeinschaft (Grant No. SFB 494, through J.
                      Stutzki and R. Schieder of I. Physikalisches Institut,
                      Universitat zu Koln, Germany), and from I. Camara Mayorga
                      and R. Gusten of Max Planck Institut fur Radioastronomie,
                      Bonn, Germany.},
      abstract     = {The extraction of continuous-wave terahertz (THz) power
                      from photonic mixers is known to be hampered by input power
                      limitations, low conversion efficiencies, and saturation
                      effects. Using vertically illuminated low-temperature-grown
                      GaAs travelling-wave mixers with a coplanar stripline
                      geometry, a mechanism of illumination-dependent reabsorption
                      of the THz-power generated by the mixer was isolated. We
                      find evidence that it is related to a substantial density of
                      long-living photoelectrons (several nanoseconds). The
                      proposed mechanism is expected to impact the performance of
                      photonic terahertz mixers at high input powers, also of
                      those based on transit-time-dominated semiconductor
                      structures. (C) 2012 American Institute of Physics.
                      [http://dx.doi.org/10.1063/1.4711777]},
      keywords     = {J (WoSType)},
      cin          = {JARA-FIT / PGI-9},
      ddc          = {530},
      cid          = {$I:(DE-82)080009_20140620$ / I:(DE-Juel1)PGI-9-20110106},
      pnm          = {Grundlagen für zukünftige Informationstechnologien},
      pid          = {G:(DE-Juel1)FUEK412},
      shelfmark    = {Physics, Applied},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000304108000012},
      doi          = {10.1063/1.4711777},
      url          = {https://juser.fz-juelich.de/record/22692},
}