Abstract
With the development of mode-locked lasers, the temporal resolution of physical phenomena kinetics measurements is limited by the laser pulse width. The compression of optical pulses spectrally broadened by self-phase modulation is the method generally used to obtain the shortest pulses. Recently, Fork et al. reported the compression of optical pulses to 6 fs,1 But, unfortunately, the single-mode fibers used limit the input peak power to a few hundred kilowatts. Moreover, the study of nonlinear interactions induced by optical pulses needs high-energy levels. These compressed pulses cannot be used as a pump in such experiments. At this time, the temporal resolution is limited around 50 fs by the duration of the high-peak-power amplified pulses produced by the classical system containing a colliding pulse mode-locked laser (CPM) and an amplifier.
© 1988 Optical Society of America
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