Spatial Dispersion Induced by Cross-Phase Modulation

We demonstrate our experiment of controlling spatial displacements of the probe beam induced by the cross-Kerr effect in a three-level V-type atomic system. By increasing the atomic density or the intensity of strong control laser beams, spatial displacements are enhanced. We further study the diffe...

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Bibliographic Details
Published inChinese physics letters Vol. 27; no. 1; pp. 136 - 139
Main Author 史美震 李创社 左翠翠 张彦鹏 聂志强 郑淮斌 李昌彪 宋建平 甘琛利
Format Journal Article
LanguageEnglish
Published IOP Publishing 2010
Subjects
Beams (radiation)
Control systems
Density
Dispersions
Laser beams
Modulation
Optical switching
Solitons
交叉相位调制
光束控制
原子密度
强度影响
强激光
空间位移
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Summary:We demonstrate our experiment of controlling spatial displacements of the probe beam induced by the cross-Kerr effect in a three-level V-type atomic system. By increasing the atomic density or the intensity of strong control laser beams, spatial displacements are enhanced. We further study the difference of effects from the atomic density and the laser intensity. In addition, the spatial displacement efficiencies of the probe beam in different energy level atomic systems are compared. Such studies of controlling spatial displacements can have potential applications in soliton deflection, spatial optical switch and generating spatially correlated （entangled） laser beams in multi-level EIT systems.
Bibliography:TN929.11
11-1959/O4
TQ547.9
ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0256-307X
1741-3540
DOI:10.1088/0256-307X/27/1/014205