Phys. Rev. A 71, 043814 (2005) [7 pages]Light scattering from three-level systems: The T matrix of a point dipole with gainReceived 22 October 2004; published 18 April 2005 We present an extension of the T-matrix approach to scattering of light by a three-level system, using a description based on a Master equation. More particularly, we apply our formalism to calculate the T matrix of a pumped three-level atom, providing an exact and analytical expression describing the influence of a pump on the light-scattering properties of an atomic three-level system. © 2005 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.71.043814
DOI:
10.1103/PhysRevA.71.043814
PACS:
42.50.Ct, 32.80.−t, 42.50.Gy
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