Agarwal, G. S. (1991) Origin of gain in systems without inversion in bare or dressed states Physical Review A, 44 (1). R28-R30. ISSN 1050-2947
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Official URL: http://pra.aps.org/abstract/PRA/v44/i1/pR28_1
Related URL: http://dx.doi.org/10.1103/PhysRevA.44.R28
Abstract
We analyze the origin of gain in systems that do not exhibit population inversion either in terms of the bare states or dressed states. Such systems involve light amplification by coherence. We show that gain arises from coherence (a) among Fano states in Arkhipkin-Heller-Harris-like systems (b) between the two dressed states in the ∧ system of Imamoglu, Field, and Harris [Phys. Rev. Lett. 66, 1154 (1991)].
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to The American Physical Society. |
| ID Code: | 78945 |
| Deposited On: | 23 Jan 2012 14:59 |
| Last Modified: | 23 Jan 2012 14:59 |
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