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@ARTICLE{Bosco:867797,
      author       = {Bosco, Stefano and DiVincenzo, David},
      title        = {{T}ransmission lines and resonators based on quantum {H}all
                      plasmonics: {E}lectromagnetic field, attenuation, and
                      coupling to qubits},
      journal      = {Physical review / B},
      volume       = {100},
      number       = {3},
      issn         = {2469-9950},
      address      = {Woodbury, NY},
      publisher    = {Inst.},
      reportid     = {FZJ-2019-06407},
      pages        = {035416},
      year         = {2019},
      abstract     = {Quantum Hall edge states have some characteristic features
                      that can prove useful to measure and control solid state
                      qubits. For example, their high voltage to current ratio and
                      their dissipationless nature can be exploited to manufacture
                      low-loss microwave transmission lines and resonators with a
                      characteristic impedance of the order of the quantum of
                      resistance h/e2∼25kΩ. The high value of the impedance
                      guarantees that the voltage per photon is high, and for this
                      reason, high-impedance resonators can be exploited to obtain
                      larger values of coupling to systems with a small charge
                      dipole, e.g., spin qubits. In this paper, we provide a
                      microscopic analysis of the physics of quantum Hall effect
                      devices capacitively coupled to external electrodes. The
                      electrical current in these devices is carried by edge
                      magnetoplasmonic excitations and by using a semiclassical
                      model, valid for a wide range of quantum Hall materials, we
                      discuss the spatial profile of the electromagnetic field in
                      a variety of situations of interest. Also, we perform a
                      numerical analysis to estimate the lifetime of these
                      excitations and, from the numerics, we extrapolate a simple
                      fitting formula which quantifies the Q factor in quantum
                      Hall resonators. We then explore the possibility of reaching
                      the strong photon-qubit coupling regime, where the strength
                      of the interaction is higher than the losses in the system.
                      We compute the Coulomb coupling strength between the edge
                      magnetoplasmons and singlet-triplet qubits, and we obtain
                      values of the coupling parameter in the order of 100 MHz;
                      comparing these values to the estimated attenuation in the
                      resonator, we find that for realistic qubit designs the
                      coupling can indeed be strong.},
      cin          = {PGI-11 / PGI-2},
      ddc          = {530},
      cid          = {I:(DE-Juel1)PGI-11-20170113 / I:(DE-Juel1)PGI-2-20110106},
      pnm          = {144 - Controlling Collective States (POF3-144)},
      pid          = {G:(DE-HGF)POF3-144},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000475498600006},
      doi          = {10.1103/PhysRevB.100.035416},
      url          = {https://juser.fz-juelich.de/record/867797},
}