Numerical Calculations on Multi-Photon Processes in Alkali Metal Vapors

Nikolaos Merlemis (), Andreas Lyras (), Georgios Papademetriou (), Dionysios Pentaris and Thomas Efthimiopoulos
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Nikolaos Merlemis: University of West Attica
Andreas Lyras: King Saud University
Georgios Papademetriou: University of Patras
Dionysios Pentaris: University of Patras
Thomas Efthimiopoulos: University of Patras

A chapter in Approximation and Computation in Science and Engineering, 2022, pp 627-642 from Springer

Abstract: Abstract We present the theoretical framework and the approximations needed to numerically simulate the response of alkali metal atoms under multi-photon excitation. By applying the semi-classical approximation, we obtain a system of coupled ordinary and partial differential equations accounting both for the nonlinear dynamics of the atomic medium and the spatiotemporal evolution of the emitted fields. The case of two-photon excitation by a laser field with an additional one-photon coupling field is investigated by numerically solving the set of differential equations employing a self-consistent computational scheme. The computation of the emission intensities and atomic level populations and coherences is then possible.

Keywords: Differential equations; Nonlinear processes; Approximations in nonlinear optics; Multi-photon processes; Semi-classical approximation (search for similar items in EconPapers)
Date: 2022
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Persistent link: https://EconPapers.repec.org/RePEc:spr:spochp:978-3-030-84122-5_34

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DOI: 10.1007/978-3-030-84122-5_34

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