VEYRON, Romain; MANCOIS, Vincent; GERENT, Jean-Baptiste; BACLET, Guillaume; BOUYER, Philippe; BERNON, Simon

doi:10.1103/PhysRevA.105.043105

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VEYRON, Romain
Laboratoire Photonique, Numérique et Nanosciences [LP2N]

MANCOIS, Vincent
Laboratoire Photonique, Numérique et Nanosciences [LP2N]

GERENT, Jean-Baptiste
Laboratoire Photonique, Numérique et Nanosciences [LP2N]

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Phys.Rev.A. 2022, vol. 105, n° 4, p. 043105

Resumen en inglés

The numerical simulation of multiple scattering in dense ensembles is the mostly adopted solution to predict their complex optical response. While the scalar and vectorial light mediated interactions are accurately taken into account, the computational complexity still limits current simulations to the low saturation regime and ignores the internal structure of atoms. Here, we propose to go beyond these restrictions, at constant computational cost, by describing a multi-level system (MLS) by an effective two-level system (TLS) that best reproduces the coherent and total scattering properties in any saturation regime. The correspondence of our model is evaluated for different experimentally realistic conditions such as the modification of the driving field polarization, the presence of stray magnetic fields or an incoherent resonant electromagnetic field background. The trust interval of the model is quantified for the D2-line of 87Rb atoms but it could be generalized to any closed transition of a multi-level quantum system.< Leer menos

Palabras clave en inglés

background

electromagnetic field

saturation

coherence

atom

multiple scattering

mediation

magnetic field

costs

polarization

optical

numerical calculations

scattering

structure

URI

https://oskar-bordeaux.fr/handle/20.500.12278/181448

DOI

http://dx.doi.org/10.1103/PhysRevA.105.043105

Proyecto ANR

Atomes Ultra-Froids piégés dans des Réseaux Optiques Nano-Structurés - ANR-18-CE47-0001

Orígen

Importado de Hal

Centros de investigación

Laboratoire Photonique, Numérique et Nanosciences (LP2N) - UMR 5298