A rapid inspection of atomic interference using superfluorescent picosecond pulses
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The conventional method to measure atomic interference is usually based on incoherent processes which can be scaled by nano or microseconds. However, atomic interference may be studied in association with coherent process such as superfluorescence. Producing superfluorescent picosecond pulses in 87Rb vapor pumped by 100 fs laser pulses, we report an observation of quantum beat due to D-lines. The relative delay of the superfluorescent pulses is measured by the streak camera with picosecond time resolution, as a function of time interval between input pulses, which also enables us to study atomic interference. 2010 Optical Society of America.
