Broadly tunable 30-fs pulses have been generated by parametric amplification of a white-light continuum at kilohertz repetition rates.
© 1994 Optical Society of America
Vladislav V. Yakovlev, Bern Kohler, and Kent R. Wilson, "Broadly tunable 30-fs pulses produced by optical parametric amplification," Opt. Lett. 19, 2000-2002 (1994)