Ramsey-CPT spectrum with the Faraday effect and its application to atomic clocks

doi:10.1088/1674-1056/24/6/063302

Abstract A method that obtains the Ramsey-coherent population trapping (CPT) spectrum with the Faraday effect is investigated. An experiment is implemented to detect the light polarization components generated from the Faraday effect. The experimental results agree with the theoretical calculations based on the Liouville equation. By comparing with the method without using the Faraday effect, the potential of this method for a CPT-based atomic clock is assessed. The results indicate that this method should improve the short-term frequency stability by several times.

Keywords: Faraday effect Ramsey-CPT atomic clock frequency stability

Received: 07 January 2015
Revised: 30 January 2015
Accepted manuscript online:

PACS:	33.57.+c	(Magneto-optical and electro-optical spectra and effects)
	78.20.Ls	(Magneto-optical effects)
	42.25.Hz	(Interference)
	32.30.Jc	(Visible and ultraviolet spectra)

Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 11304362 and 11204351).

Corresponding Authors: Gu Si-Hong
E-mail: shgu@wipm.ac.cn

About author: 33.57.+c; 78.20.Ls; 42.25.Hz; 32.30.Jc

Cite this article:

Tian Yuan (田原), Tan Bo-Zhong (谭伯仲), Yang Jing (杨晶), Zhang Yi (张奕), Gu Si-Hong (顾思洪) Ramsey-CPT spectrum with the Faraday effect and its application to atomic clocks 2015 Chin. Phys. B 24 063302

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