Abstract
By driving photoassociation transitions with continuous-wave lasers, we stateselectively form excited-state molecules from ultra cold atoms. Using a second laser to drive transitions from the excited molecular state to another long-lived molecular state, we are able to observe an interference dip narrower than the natural linewidth of the excited molecular state. The linewidth of the dip is strongly effected by the temperature of the atoms. To reach smaller linewidths we have set up an all optical BEC.
© 2005 Optical Society of America
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