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@ARTICLE{Barzanjeh:171957,
      author       = {Barzanjeh, Sh. and DiVincenzo, David and Terhal, B. M.},
      title        = {{D}ispersive {Q}ubit {M}easurement by {I}nterferometry with
                      {P}arametric {A}mplifiers},
      journal      = {Physical review / B},
      volume       = {90},
      number       = {13},
      issn         = {1098-0121},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2014-05511},
      pages        = {134515},
      year         = {2014},
      abstract     = {We perform a detailed analysis of how an amplified
                      interferometer can be used to enhance the quality of a
                      dispersive qubit measurement, such as one performed on a
                      superconducting transmon qubit, using homodyne detection on
                      an amplified microwave signal. Our modeling makes a
                      realistic assessment of what is possible in current
                      circuit-QED experiments; in particular, we take into account
                      the frequency-dependence of the qubit-induced phase shift
                      for short microwaves pulses. We compare the possible
                      signal-to-noise ratios obtainable with (single-mode) SU(1,1)
                      interferometers with the current coherent measurement and
                      find a considerable reduction in measurement error
                      probability in an experimentally-accessible range of
                      parameters.},
      cin          = {PGI-2 / IAS-3 / JARA-FIT},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-2-20110106 / I:(DE-Juel1)IAS-3-20090406 /
                      $I:(DE-82)080009_20140620$},
      pnm          = {422 - Spin-based and quantum information (POF2-422)},
      pid          = {G:(DE-HGF)POF2-422},
      typ          = {PUB:(DE-HGF)16},
      eprint       = {1407.3059},
      howpublished = {arXiv:1407.3059},
      archivePrefix = {arXiv},
      SLACcitation = {$\%\%CITATION$ = $arXiv:1407.3059;\%\%$},
      UT           = {WOS:000344021600007},
      doi          = {10.1103/PhysRevB.90.134515},
      url          = {https://juser.fz-juelich.de/record/171957},
}