Role of radiation trapping in degenerate four-wave-mixing experiments
- 1 March 1994
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 49 (3) , R1558-R1561
- https://doi.org/10.1103/physreva.49.r1558
Abstract
The process of degenerate four-wave mixing is studied experimentally in dense sodium vapor in a rare-gas atmosphere. The influence of trapped fluorescence light on the ground-state orientation is shown to be responsible for the observed strong reduction of saturation phenomena with increased sodium density. The interpretation is based on a simple model and is supported by results obtained by suppressing the fluorescence.Keywords
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