Self-cooling in a system of driven two-level atoms

Bonifacio, R. and McNeil, B.W.J. and Robb, G.R.M. (1999) Self-cooling in a system of driven two-level atoms. Optics Communications, 161 (1-3). pp. 1-5. ISSN 0030-4018

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Abstract

We investigate the evolution of a system of two-level atoms interacting with two counterpropagating radiation fields including the effects of atomic centre-of-mass motion. The analysis involves the numerical solution of a set of generalised Maxwell-Bloch equations. It is shown that, under different conditions, lasing in a system of non-inverted two-level atoms may be obtained due to the formation of either a population difference grating or a density grating. Furthermore a novel self-cooling effect within the driven atomic system is demonstrated and a possible experiment for the observation of this effect is described. This self-cooling is an example of phenomena in which both population difference grating effects and atomic centre-of-mass motion play a role.

Creators(s): Bonifacio, R., McNeil, B.W.J. ORCID logoORCID: https://orcid.org/0000-0002-7267-611X and Robb, G.R.M. ORCID logoORCID: https://orcid.org/0000-0002-3004-5926;
Item type:Article
ID code:57528
Keywords:two-level atoms, Maxwell-Bloch equations, collective atomic recoil laser , Optics. Light, Physical and Theoretical Chemistry, Electronic, Optical and Magnetic Materials, Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering
Subjects:Science > Physics > Optics. Light
Department:Faculty of Science > Physics
Depositing user: Pure Administrator
Date deposited:24 Aug 2016 10:21
Last modified:21 Jan 2021 00:28
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URI:https://strathprints.strath.ac.uk/id/eprint/57528
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