A. Shirakawa et T. Kobayashi, NONCOLLINEARLY PHASE-MATCHED FEMTOSECOND OPTICAL PARAMETRIC AMPLIFICATION WITH A 2000 CM(-1) BANDWIDTH, Applied physics letters, 72(2), 1998, pp. 147-149
An optical parametric amplifier generating as short as 14 fs pulses in
a visible region has been constructed in a noncollinear phase-matchin
g configuration, The group-velocity matching between the signal and id
ler enormously broadens the gain bandwidth up to 2000 cm(-1), which is
mainly limited by the chirp of the-seed pulses. Pulses shorter than 2
0 fs are tunable from 550 to 690 nm by scanning the delay-line of the
pump beam. (C) 1998 American Institute of Physics.