Comparison of 87Rb N-resonances for D1 and D2 transitions

被引：25
|
作者：
Novikova, Irina [1 ]
Phillips, David F.
Zibrov, Alexander S.
Walsworth, Ronald L.
Taichenachev, Aleksei V.
Yudin, Valeriy I.
机构：
[1] Harvard Univ, Harvard Smithsonian Ctr Astrophys, Cambridge, MA 02138 USA
[2] Harvard Univ, Dept Phys, Cambridge, MA 02138 USA
[3] SB RAS, Inst Laser Phys, Novosibirsk 630090, Russia
[4] Novosibirsk State Univ, Novosibirsk 630090, Russia
来源：
OPTICS LETTERS | 2006年 / 31卷 / 15期
关键词：
D O I：
10.1364/OL.31.002353
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report an experimental comparison of three-photon-absorption resonances (N-resonances) for the D-1 and D-2 optical transitions of thermal Rb-87 vapor. We find that the D-2 N-resonance has better contrast. a broader linewidth, and a more symmetric line shape than the D-1 N-resonance. Taken together, these factors imply superior performance for frequency standards operating on alkali D-2 N-resonances, in contrast with coherent population trapping resonances, for which the D-2 transition provides poorer frequency standard performance than the D-1 transition. (c) 2006 Optical Society of America.
引用
收藏
页码：2353 / 2355
页数：3
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