Pulse amplification in a closed loop $Λ$ system with permanent dipole moments
Nilamoni Daloi,
Partha Das,
Tarak Nath Dey
Abstract:Propagation of a weak Gaussian probe pulse through a closed loop Λ system with permanent dipole moments (PDMs) is investigated in presence of a strong control field along with a third field. The presence of PDMs allows multi photon excitation, which are otherwise forbidden. The PDMs modify the Rabi frequencies of the probe, control, and the third field inside the medium which noticeably affects the propagation of probe pulse. The probe pulse is amplified during propagation with its Gaussian shape intact. Due t… Show more
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