Volume 46, Number 6, June II 1999
|Page(s)||716 - 721|
|Section||Atomic and molecular physics|
|Published online||01 September 2002|
Depopulation and repopulation pumping in coherent population trapping
Institut für Laser-Physik - Jungiusstr. 9, D-20355 Hamburg, Germany
2 Istituto Nazionale di Fisica della Materia and Dipartimento di Fisica Università di Pisa, I-56126 Pisa, Italy
Accepted: 19 April 1999
The role of the depopulation and repopulation pumping mechanisms in coherent population trapping (CPT) is discussed. The case of open transitions resonant with polarized laser light of different polarizations is examined. The efficiency of the preparation of the atomic population into the dark state is studied both for exact Raman resonance and for small Raman detuning. Dependences of the CPT-preparation on the laser polarization are described.
PACS: 32.80.-t – Photon interaction with atoms / 32.80.Pj – Optical cooling of atoms; trapping
© EDP Sciences, 1999
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