Superfluorescent generation of mode-lockedπpulses

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Abstract
Swept gain superfluorescent operation is reported in a mode-locked laser. We quantitatively compare theoretical predictions and experimental results for the laser output, which show drastically reduced pulse lengths together with increased bandwidth corresponding to the generation of near-π pulses. The attainment of this operating mode depends on the intracavity power level and the relevant homogeneous lifetimes. The effect has been observed for several mode-locked argon laser lines.