One- and two-photon quantum interferences in parametric four-wave mixing

被引:3
|
作者
Ferraz, J. [1 ]
Acioli, L. H. [1 ]
Vianna, S. S. [1 ]
机构
[1] Univ Fed Pernambuco, Dept Fis, BR-50670901 Recife, PE, Brazil
关键词
PULSES; TRANSITIONS; VAPOR;
D O I
10.1364/OL.35.000375
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We report the observation of the interferometric response in parametric four-wave mixing in rubidium atoms excited by a pair of ultrashort pulses. For pulses with orthogonal polarizations and in the presence of the two-photon transition 5S-5D reveals a one-photon quantum interference, in contrast to the optical interference observed when the pulses have parallel polarization. For opposite circular polarizations no interference is observed in the fluorescence of the two-photon transition, in contrast to the one-and two-photon interferences exhibited in the nonlinear process. (C) 2010 Optical Society of America
引用
收藏
页码:375 / 377
页数:3
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