Experimental test of the optical Bloch equations for solids using free-induction decay

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DOIResolve DOI: https://doi.org/10.1103/PhysRevA.39.3992
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  1. National Research Council Canada
FormatText
TypeArticle
Journal titlePhysical Review A
ISSN2469-9926
2469-9934
Volume39
Issue8
Pages3992–3997
Abstract
Recent studies by DeVoe and Brewer [Phys. Rev. Lett. 50, 1269 (1983)] have shown that the conventional optical Bloch equations markedly fail to describe the optical saturation behavior of the D1 line in the solid Pr3+:LaF3. In this paper we extend these studies to another solid, ruby, using free-induction-decay observations obtained by pulse excitation of the R1 line at 693.4 nm with an ultranarrow-linewidth dye laser. Comparison of the results with Gauss-Markov and random-telegraph-dephasing theories shows approximate agreement for a fluctuation correlation time τc=T2, the dephasing time. This result is remarkably similar to that obtained for Pr3+:LaF3. However, for theoretical and experimental reasons, we conclude that the theories do not consistently explain the current as well as other data. A qualitative discussion of another dephasing model is given.
Publication date
PublisherAmerican Physical Society
NoteMr. Szabo was affiliated with the National Research Council of Canada, Division of Physics when they authored this article.
LanguageEnglish
Peer reviewedYes
NPARC number23002915
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