Quantum Electronics and Laser Science Conference, QELS 2011, Baltimore, MD, Amerika Birleşik Devletleri, 1 - 06 Mayıs 2011
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. © 2011 Optical Society of America.