Picosecond infrared continua are produced by propagating an intense ultrashort 1.064-µm pulse through a LiNbO3 crystal set near the degenerate point. Under our experimental conditions, gain broadening is identified as the principal mechanism leading to the superbroad spectral output.
© 1979 Optical Society of America
A. J. Campillo, R. C. Hyer, and S. L. Shapiro, "Picosecond infrared-continuum generation by three-photon parametric amplification in LiNbO3," Opt. Lett. 4, 357-359 (1979)