Steep atomic dispersion induced by velocity-selective optical pumping

被引:7
|
作者
Akulshin, Alexander [1 ]
Singh, Mandip [1 ]
Sidorov, Andrei [1 ]
Hannaford, Peter [1 ]
机构
[1] Swinburne Univ Technol, ARC Ctr Excellence Quantum Atom Opt, Ctr Atom Opt & Ultrafast Spect, Melbourne, Vic, Australia
来源
OPTICS EXPRESS | 2008年 / 16卷 / 20期
关键词
D O I
10.1364/OE.16.015463
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We demonstrate a method of preparation of broadband sign-reversible dispersion in alkali vapour based on velocity-selective optical pumping. The refractive index in Rb vapour has been measured using a heterodyne method. The magnitudes of the normal and anomalous dispersion, which are almost constant over a spectral region of approximately 40 MHz, can lead to a reduced (V-g approximate to c/230) or negative (V-g approximate to -c/27) group velocity of light. (C) 2008 Optical Society of America
引用
收藏
页码:15463 / 15468
页数:6
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