Threshold current evolution across semiconductor laser types (IMAGE)
Caption
Historical development of the threshold current of semiconductor lasers. Different marker colors indicate different types of lasers and the numbers mark references, which can be found in the supplementary information to the paper.
Credit
Jesper Mørk from Technical University of Denmark
Usage Restrictions
Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted.
License
CC BY-NC-ND