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@ARTICLE{Ku:888655,
      author       = {Ku, Jaseung and Xu, Xuexin and Brink, Markus and McKay,
                      David C. and Hertzberg, Jared B. and Ansari, Mohammad H. and
                      Plourde, B. L. T.},
      title        = {{S}uppression of {U}nwanted {Z} {Z} {I}nteractions in a
                      {H}ybrid {T}wo-{Q}ubit {S}ystem},
      journal      = {Physical review letters},
      volume       = {125},
      number       = {20},
      issn         = {1079-7114},
      address      = {College Park, Md.},
      publisher    = {APS},
      reportid     = {FZJ-2020-05098},
      pages        = {200504},
      year         = {2020},
      abstract     = {Mitigating crosstalk errors, whether classical or quantum
                      mechanical, is critically important for achieving
                      high-fidelity entangling gates in multiqubit circuits. For
                      weakly anharmonic superconducting qubits, unwanted ZZ
                      interactions can be suppressed by combining qubits with
                      opposite anharmonicity. We present experimental measurements
                      and theoretical modeling of two-qubit gate error for gates
                      based on the cross resonance interaction between a
                      capacitively shunted flux qubit and a transmon, and
                      demonstrate the elimination of the ZZ interaction.},
      cin          = {PGI-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-2-20110106},
      pnm          = {144 - Controlling Collective States (POF3-144)},
      pid          = {G:(DE-HGF)POF3-144},
      typ          = {PUB:(DE-HGF)16},
      pubmed       = {pmid:33258640},
      UT           = {WOS:000588242400004},
      doi          = {10.1103/PhysRevLett.125.200504},
      url          = {https://juser.fz-juelich.de/record/888655},
}