Observation of a two-photon gain feature in the strong-probe absorption spectrum of driven two-level atoms
Journal Article
·
· Physical Review Letters; (USA)
- Department of Physics, University of Oregon, Eugene, OR (USA) Chemical Physics Institute, University of Oregon, Eugene, OR (USA)
A feature associated with continuous-wave two-photon optical gain has been observed in the absorption spectrum of an ensemble of barium atoms driven by a strong near-resonant optical field. In the dressed-atom picture, the observed gain is attributable to inverted two-photon transitions with nearly resonant intermediate states. A cw optical two-photon laser utilizing this gain appears feasible.
- OSTI ID:
- 6527722
- Journal Information:
- Physical Review Letters; (USA), Vol. 65:10; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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