✦ LIBER ✦

Adiabatic and nonadiabatic preparation of a ground-state coherence in an optically thick lambda medium

✍ Scribed by Victor V. Kozlov; Ekaterina B. Kozlova

Publisher: Elsevier Science
Year: 2009
Tongue: English
Weight: 262 KB
Volume: 282
Category: Article
ISSN: 0030-4018
DOI: 10.1016/j.optcom.2008.11.059

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✦ Synopsis

Fractional stimulated Raman adiabatic passage (f-STIRAP) is used to develop a method for preparation of a two-photon coherence between long-lived ground states of an optically thick ensemble of lambda atoms. Despite strong depletion and reshaping of preparation pulses in the course of propagation, this method provides a stable predetermined value of the coherence uniformly established along the sample, from input to the output. Both adiabatic and nonadiabatic preparation regimes are considered.