Atomic coherence in nondegenerate four-wave mixing

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Published under licence by IOP Publishing Ltd
, , Citation Zuo Zhan-Chun et al 2007 Chinese Phys. 16 1042 DOI 10.1088/1009-1963/16/4/030

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1 Laboratory of Optical Physics, Beijing National Laboratory for Condensed Matter Physics, Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China

2 Department of Physics, Hebei University, Baoding 071002, China

Dates

  1. Received 28 June 2006
1009-1963/16/4/1042

Abstract

Two-photon resonant nondegenerate four-wave mixing (NFWM) with the addition of a coupling field in Ba atomic vapour has been studied. We find that coherence of the atomic level transitions leads to suppression of the NFWM signal, giving rise to a dip with a linewidth that is linearly proportional to the intensity of the coupling field.

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