Coherent population pumping in a bright state

2017/06/14 by Khan, Sumanta, Bharti, Vineet, Natarajan, Vasant
#Atomic Physics (physics.atom-ph) #FOS: Physical sciences #Optics (physics.optics)

paper · doi:10.48550/arxiv.1706.04384

Abstract

We demonstrate resonances due to coherent population pumping in a bright state (CBS), using magnetic sublevels of the closed F_g = 2 → F_e = 3 transition in ⁸⁷Rb. The experiments are performed at room temperature vapor in two kinds of cells---one that is pure and the second that contains a buffer gas of Ne at 20 torr. We also present the effect of pump power variation on the CBS linewidth, and explain the behavior by using a power-dependent scattering rate. The experimentally observed CBS resonances are supported by a density-matrix analysis of the system.

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