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Proceedings Paper

Dispersion in a four level N-scheme atomic system with co- and counter- propagating beams
Author(s): J. P. Davis; F. A. Narducci
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Paper Abstract

We motivate the study of an 'N-scheme' atomic system for the case of a bi-directional probe field. We derive the equations of motion. The equations were expanded in order of the counter-propagating field strength over the co-propagating field strength. We solve the equations numerically in steady state in a perturbative manner. The zeroth order solutions describe the dispersion and absorption of the co-propagating field, while the first order solutions describe the dispersion and absorption of the counter-propagating field. We investigate the solutions in two temperature regimes for a variety of field strengths. Regimes of similar dispersion for the co- and counter-propagating fields were found, as well as regimes of opposite behavior. In most cases, absorption of the fields is still a problem.

Paper Details

Date Published: 8 February 2012
PDF: 14 pages
Proc. SPIE 8273, Advances in Slow and Fast Light V, 82730R (8 February 2012); doi: 10.1117/12.914722
Show Author Affiliations
J. P. Davis, Naval Air Systems Command (United States)
F. A. Narducci, Naval Air Systems Command (United States)


Published in SPIE Proceedings Vol. 8273:
Advances in Slow and Fast Light V
Selim M. Shahriar; Frank A. Narducci, Editor(s)

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