Collisionally Induced Narrowing of the Longitudinal Relaxation Linewidth in Nearly Degenerate Four-Wave Mixing
- 29 November 1982
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 49 (22) , 1628-1631
- https://doi.org/10.1103/physrevlett.49.1628
Abstract
This paper reports the observation of collisionally induced spectral narrowing of the longitudinal relaxation linewidth with use of the nearly degenerate four-wave mixing process. A theoretical model, which takes into account strong velocity-changing collisions for the population and phase-interrupting collisions for the optical coherence, leads to a good qualitative understanding of this new effect.Keywords
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