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Resonance Fluorescence under Finite Bandwidth Excitation

Mandel, L. and Kimble, H. J. (1978) Resonance Fluorescence under Finite Bandwidth Excitation. In: Coherence and Quantum Optics IV. Springer , Boston, MA, pp. 95-97. ISBN 9781475706673.

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With the development of increasingly precise experimental methods for studying the phenomenon of resonance fluorescence from atoms, as in atomic beam experiments, the need arises for a more realistic description of the excitation field in the theory. We have generalized our earlier quantum field treatment of the problem of resonance fluorescence from a two-level atom, [1, 2] to take account of the finite bandwidth of the exciting laser field. In the analysis we take the state of this field to be a statistical mixture of coherent states, in which the phase performs a random walk in time, and we ultimately average over the ensemble of phases. [3] We investigate the properties of the fluorescent light, and find some new features, that are absent under monochromatic excitation, and appear not to have been encountered in previous treatments of the problem. [4, 5] In particular, we show that the spectral density should become asymmetric under offresonance, non-monochromatic excitation.

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Additional Information:© Springer Science+Business Media New York 1978. This work was supported by the National Science Foundation. This paper was presented at a joint session of the 4th Rochester Conference on Coherence and Quantum Optics and of the International Conference on Multiphoton Processes. A fuller account is published in Multiphoton Processes, ed. J.H. Eberly and P. Lambropoulos (John Wiley, New York, 1978) p. 119.
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ID Code:105832
Deposited By: George Porter
Deposited On:06 Oct 2020 14:39
Last Modified:16 Nov 2021 18:46

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