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@INPROCEEDINGS{Wirths:825766,
      author       = {Wirths, S. and Geiger, R. and Schulte-Braucks, C. and von
                      den Driesch, N. and Stange, D. and Zabel, T. and Ikonic, Z.
                      and Hartmann, J.-M. and Mantl, S. and Sigg, H. and
                      Grutzmacher, D. and Buca, D.},
      title        = {{D}irect bandgap {G}e{S}n microdisk lasers at 2.5 μm for
                      monolithic integration on {S}i-platform},
      publisher    = {IEEE},
      reportid     = {FZJ-2017-00071},
      pages        = {2.6.1-2.6.4},
      year         = {2015},
      comment      = {[Proceedings] - IEEE, 2015. - ISBN 978-1-4673-9894-7},
      booktitle     = {[Proceedings] - IEEE, 2015. - ISBN
                       978-1-4673-9894-7},
      abstract     = {We report on the first experimental demonstration of direct
                      bandgap group IV GeSn microdisk (MD) lasers (λem=2.5 µm)
                      grown on Si(001). The evidence of lasing is supported by a
                      detailed analysis of strain-dependent emission
                      characteristics of GeSn alloys with xSn ≥ 12 $at.\%.$
                      Residual compressive strain within the layer is relieved via
                      under-etching of the MD enabling increased energy offsets up
                      to EL-EΓ=80 meV. The lasing threshold and max. temperature
                      amount to 220 kW/cm2 and 135 K, respectively.},
      month         = {Jul},
      date          = {1272015},
      organization  = {2015 IEEE International Electron
                       Devices Meeting (IEDM), Washington DC
                       (USA), 7 Dec 2015 - 9 Dec 2015},
      cin          = {PGI-9},
      cid          = {I:(DE-Juel1)PGI-9-20110106},
      pnm          = {521 - Controlling Electron Charge-Based Phenomena
                      (POF3-521)},
      pid          = {G:(DE-HGF)POF3-521},
      typ          = {PUB:(DE-HGF)8 / PUB:(DE-HGF)7},
      doi          = {10.1109/IEDM.2015.7409615},
      url          = {https://juser.fz-juelich.de/record/825766},
}