Analysis of sub-Doppler linewidths in inversionless amplification.
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In a recent experiment Zhu and Lin [Phys. Rev. A 53, 1767 (1996)] reported gain linewidths, in a coherently pumped atomic system, which were much less than the Doppler width. We show that this observation is easily explained in terms of our work [Phys. Rev. A 53, 2842 (1996)], which is generalized to correspond to the experimental situation by inclusion of incoherent pumping, and pump and probe laser linewidths. 1996 The American Physical Society. 1996 The American Physical Society.
author list (cited authors)
Vemuri, G., Agarwal, G. S., & Nageswara Rao BD.
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