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Opt Lett. 1998 Jan 01;23(1):70-2. doi: 10.1364/ol.23.000070.

Interaction of atomic wave packets with four-wave mixing: detection of rubidium and potassium wave packets by coherent ultraviolet emission.

Optics letters

H C Tran, P C John, J Gao, J G Eden

PMID: 18084415 DOI: 10.1364/ol.23.000070

Abstract

The observation of an atomic wave packet by use of a coherent, nonlinear-optical process is reported. Wave packets formed in K or Rb vapor by two-photon excitation of ns and (n-2)dstates (n=8 for K; n=11 , 12 for Rb) with red (~620-nm) , 80-100-fs pulses were detected by four-wave mixing in pump-probe experiments. The temporal behavior of the wave packet is observed by monitoring the coherent UV radiation generated near the alkali mp(2)P? (2)S(1/2) (7

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