• DocumentCode
    546978
  • Title

    Direct-bandgap germanium active layers pumped above transparency based on tensilely strained nanomembranes

  • Author

    Boztug, C. ; Chen, F. ; Sanchez-Perez, J.R. ; Sudradjat, F.F. ; Paskiewicz, D.M. ; Jacobson, R.B. ; Lagally, M.G. ; Paiella, R.

  • Author_Institution
    Dept. of Electr. & Comput. Eng., Boston Univ., Boston, MA, USA
  • fYear
    2011
  • fDate
    1-6 May 2011
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We show that mechanically stressed nanomembranes can be used to introduce sufficient tensile strain in Ge to transform it into a direct-bandgap, efficient light-emitting material that can support population inversion and thus provide optical gain.
  • Keywords
    germanium; nanophotonics; photoluminescence; photonic band gap; transparency; direct bandgap germanium active layers; light emitting material; mechanically stressed nanomembranes; population inversion; tensilely strained nanomembranes; Materials; Optical pumping; Photonic band gap; Photonics; Strain measurement; Tensile strain;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Lasers and Electro-Optics (CLEO), 2011 Conference on
  • Conference_Location
    Baltimore, MD
  • Print_ISBN
    978-1-4577-1223-4
  • Type

    conf

  • Filename
    5951241
    • Link To Document
    https://search.isc.ac/dl/search/defaultta.aspx?DTC=49&DC=546978