Pesonen, H., A. Halder, J.-M. Huusko, A.T. Friberg, T. Setälä and J. Turunen
Spatial coherence effects in second-harmonic generation of scalar light fields
Journal of Optics, Volume 23, Number 3
https://iopscience.iop.org/article/10.1088/2040-8986/abd887