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Production of Ultracold Molecules with Chirped Nanosecond-Timescale Pulses

By Jennifer Carini


We present results on the effects of nanosecond-timescale frequency-chirped laser light on the formation of 87Rb2 ultracold ground-state molecules. We investigate these effects through photoassociation (PA) experiments and quantum mechanical simulations. The PA experiments show that at higher intensities, the positive chirps have a higher formation rate than the unchirped or negative linear chirps. The quantum mechanical simulations reveal the mechanism responsible for this enhancement. Contributions from stimulated emission cause the positive chirp to be the most efficient for molecule formation

Topics: ultracold molecules, photoassociation, coherent control
Publisher: OpenCommons@UConn
Year: 2015
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