Answers are grounded in this paper and cite their sources.
The authors report a 1.96 µm doubly resonant optical parametric oscillator using bulk periodically poled LiNbO3 directly pumped by a commercial 980 nm CW diode laser.
No takes yet. Share an insight, caveat, or question.
Myers et al. (1995) studied this question.
Synapse has enriched 10 related papers. Consider them for comparative context: