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Buffer-gas-induced absorption resonances inRbvapor
2004
Physical Review A. Atomic, Molecular, and Optical Physics
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We observe transformation of the electromagnetically induced transparency (EIT) resonance into the absorption resonance in a Λ interaction configuration in a cell filled with ^87Rb and a buffer gas. This transformation occurs as a one-photon detuning of the coupling fields is varied from the atomic transition. No such absorption resonance is found in the absence of a buffer gas. The width of the absorption resonance is several times smaller than the width of the EIT resonance, and the changes
doi:10.1103/physreva.70.033806
fatcat:pgwybwrgxjfb5csey5pqhbylay