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@ARTICLE{Tamagnone:168999,
      author       = {Tamagnone, Michele and Fallahi, Arya and Mosig, Juan R. and
                      Perruisseau-Carrier, Julien},
      title        = {{F}undamental limits and near-optimal design of graphene
                      modulators and non-reciprocal devices},
      journal      = {Nature photonics},
      volume       = {8},
      issn         = {1749-4893},
      address      = {London [u.a.]},
      publisher    = {Macmillan Publishers Limited},
      reportid     = {DESY-2014-02778},
      pages        = {556 - 563},
      year         = {2014},
      abstract     = {The potential of graphene for photonic applications was
                      evidenced by recent demonstrations of modulators,
                      polarizationrotators and isolators. These promising yet
                      preliminary results raise crucial questions: what is the
                      optimal performanceachievable by more complex designs and
                      how can this optimum be achieved in practice? We answer by
                      first demonstratingthat the relevant figures of merit for
                      the devices above are subject to absolute theoretical upper
                      bounds. Strikingly, theselimits are related only to the
                      conductivity tensor of graphene; thus, we can provide
                      essential roadmap information such asthe best possible
                      device performance versus wavelength and graphene quality.
                      Second, based on the theory developed,physical insight and
                      detailed simulations, we demonstrate how structures closely
                      approaching these fundamental limitscan be designed,
                      demonstrating the possibility of significant improvement.
                      These results are believed to be of paramountimportance for
                      the design of modulators, rotators and isolators using
                      graphene or other two-dimensional materials.},
      cin          = {FS-CFEL-2},
      ddc          = {530},
      cid          = {I:(DE-H253)FS-CFEL-2-20120731},
      pnm          = {Experiments at CFEL (POF2-544)},
      pid          = {G:(DE-H253)POF2-CFEL-Exp.-20130405},
      experiment   = {EXP:(DE-H253)CFEL-Exp-20150101},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000338216000014},
      doi          = {10.1038/nphoton.2014.109},
      url          = {https://bib-pubdb1.desy.de/record/168999},
}