High-contrast coherent population trapping resonances using four-wave mixing in 87Rb

被引：30

作者：

Shah, V. ^{[1
]}

Knappe, S. ^{[1
]}

Hollberg, L. ^{[1
]}

Kitching, J. ^{[1
]}

机构：

[1] Natl Inst Stand & Technol, Time & Frequency Div, Boulder, CO 80305 USA

来源：

OPTICS LETTERS | 2007年 / 32卷 / 10期

关键词：

D O I：

10.1364/OL.32.001244

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

We demonstrate very high-contrast coherent population trapping(1) (CPT) resonances by using four-wave mixing in Rb-87 atoms. In the experiment, we take advantage of the spectral overlap between F=2 -> F' and F=3 -> F' optical resonances on the D1 line of Rb-87 and Rb-85 atoms, respectively, to eliminate the DC-light background from the CPT resonance signal. We observe a CPT resonance with a contrast in the range of 90%, compared with a few percent achieved by alternative methods.

引用

页码：1244 / 1246

页数：3

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