Answers are grounded in this paper and cite their sources.
A 1234 nm GaInNAs/GaAs optically-pumped semiconductor disk laser utilising an intracavity BBO (beta barium borate) crystal for nonlinear frequency conversion is reported. 1 W of power at 617 nm has been achieved.
No takes yet. Share an insight, caveat, or question.
Rautiainen et al. (2007) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: