Exponential gain and self-bunching in a collective atomic recoil laser

A source of tunable coherent radiation, the collective atomic recoil laser (CARL), a kind of hybrid between the free-electron laser (FEL) and the ordinary laser, with common physical features was described. The basic features and its operating principles were discussed in detail, making some specifi...

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Bibliographic Details
Published in:Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 1994-08, Vol.50 (2), p.1716-1724
Main Authors: Bonifacio, R, De Salvo L, Narducci, LM, D'Angelo, EJ
Format: Article
Language:English
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Summary:A source of tunable coherent radiation, the collective atomic recoil laser (CARL), a kind of hybrid between the free-electron laser (FEL) and the ordinary laser, with common physical features was described. The basic features and its operating principles were discussed in detail, making some specific predictions, and offering a preliminary analysis for an experimental proof of principle. By considering the translation degrees of freedom of the active medium, a mechanism was described that can lead to the exponential amplification of a weak probe. The role of the atomic coil was deemed significant to exponential amplification. There was no sign of collective self-bunching due to the self-consistent field generated by the bunching itself.
ISSN:1050-2947
1094-1622
DOI:10.1103/PhysRevA.50.1716