Grating-Coupled Strain-Enhanced Light Emission from Mechanically Stressed Germanium Nanomembranes

Boztuğ Yerci Ç. H., Perez J. R. S., Yin J., Sudradjat F. F., Paskiewicz D. M., Jacobson R. B., ...More

Conference on Lasers and Electro-Optics (CLEO), San-Jose, Costa Rica, 9 - 14 June 2013 identifier identifier

  • Publication Type: Conference Paper / Full Text
  • City: San-Jose
  • Country: Costa Rica
  • TED University Affiliated: No

Abstract

Direct-bandgap light emission from Ge nanomembranes is strongly enhanced and red-shifted through the application of tensile strain, combined with the use of a periodic array of amorphous-Si nanopillars to outcouple the strain-enhanced luminescence.