Phys. Rev. A 63, 043804 (2001) [5 pages]Linear and nonlinear optical properties of an autoionizing mediumReceived 31 August 2000; published 7 March 2001 We study the linear and nonlinear optical properties of autoionizing systems under the action of a single-laser field. It is found that the group velocity is greatly reduced by the presence of a neighboring autoionizing state. Conditions for self-focusing or defocusing are also derived for the case of an isolated autoionizing system. © 2001 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevA.63.043804
DOI:
10.1103/PhysRevA.63.043804
PACS:
42.50.Gy, 42.65.An, 32.80.Dz, 42.65.-k
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