Physics – Quantum Physics
Scientific paper
2006-03-14
Optics Letters 31, 2625 (2006)
Physics
Quantum Physics
Scientific paper
10.1364/OL.31.002625
We report characterization of electromagnetically induced transparency (EIT) resonances in the D1 line of Rb-87 under various experimental conditions. The dependence of the EIT linewidth on the power of the pump field was investigated, at various temperatures, for the ground states of the lambda-system associated with different hyperfine levels of the atomic 5S_1/2 state as well as magnetic sublevels of the same hyperfine level. Strictly linear behavior was observed in all cases. A theoretical analysis of our results shows that dephasing in the ground state is the main source of decoherence, with population exchange playing a minor role.
Appel Juergen
Figueroa Eden
Lvovsky Alexander I.
Vewinger Frank
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