Abstract
Picosecond optical pulses have been generated in different kinds of thresholdless dye microlaser operating in high-Q plane microcavities at high pumping rate. The temporal behavior of the system is studied by means of a simple rate equation analysis. It is shown that the buildup time of the output pulse is independent of the cavity finesse. The experiment has been performed by means of a temporally resolved up-conversion technique. A buildup time of the pulse of 3 ps, together with a rise time of 1.5 ps have been measured. These results correspond to a predictable response frequency of 300 GHz.
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