The electron-beam-induced current technique has been used to disclose dark-line patterns in degraded AlxGa1−xAs quantum well lasers. At least four distinct types of pattern exist, each being characteristic of a particular device structure.
No takes yet. Share an insight, caveat, or question.
Waters et al. (1988) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: