dx.doi.org/10.1364/JOSAB.7.002150
J. Opt. Soc. Am. B
Ultrafast Spectroscopy

Planken, P.C.M, Bakker, H.J, Kuipers, L, & Lagendijk, A. (1990). Frequency chirp in optical parametric amplification with large phase mismatch in noncentrosymmetric crystals. J. Opt. Soc. Am. B, 7, 2150–2154. doi:10.1364/JOSAB.7.002150