| Issue |
Europhys. Lett.
Volume 46, Number 6, June II 1999
|
|
|---|---|---|
| Page(s) | 716 - 721 | |
| Section | Atomic and molecular physics | |
| DOI | https://doi.org/10.1209/epl/i1999-00324-1 | |
| Published online | 01 September 2002 | |
Depopulation and repopulation pumping in coherent population trapping
1
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
Received:
1
February
1999
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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