Richard Geiger

Lasing in direct-bandgap GeSn alloy grown on Si

Stephan Wirths, Richard Geiger, Nils von den Driesch et al. · Nature Photonics · 2015 · 1.2K citations

Materials Science, Materials Engineering, Engineering +3

Analysis of enhanced light emission from highly strained germanium microbridges

Martin Süess, Richard Geiger, Renato Amaral Minamisawa et al. · Nature Photonics · 2013 · 410 citations

Photonics, Electrical Engineering, Photoluminescence +6

Optically Pumped GeSn Microdisk Lasers on Si

Daniela Stange, Stephan Wirths, Richard Geiger et al. · ACS Photonics · 2016 · 237 citations

Optical Materials, Engineering, Laser Science +20

Group IV Direct Band Gap Photonics: Methods, Challenges, and Opportunities

Richard Geiger, Thomas Zabel, H. Sigg · Frontiers in Materials · 2015 · 113 citations · Full text

Quantum Photonics, Optical Materials, Paradigm Change +19

Excess carrier lifetimes in Ge layers on Si

Richard Geiger, Jacopo Frigerio, Martin Süess et al. · Applied Physics Letters · 2014 · 76 citations · Full text

Longest Lifetimes, Ge Layers, Electrical Engineering +14