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Clock-transition spectrum of 171Yb atoms in a one-dimensional optical lattice |
| Chen Ning (陈宁), Zhou Min (周敏), Chen Hai-Qin (陈海琴), Fang Su (方苏), Huang Liang-Yu (黄良玉), Zhang Xiao-Hang (张晓航), Gao Qi (高琪), Jiang Yan-Yi (蒋燕义), Bi Zhi-Yi (毕志毅), Ma Long-Sheng (马龙生), Xu Xin-Ye (徐信业) |
| State Key Laboratory of Precision Spectroscopy and Department of Physics, East China Normal University, Shanghai 200062, China |
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Abstract An optical atomic clock with 171Yb atoms is devised and tested. By using a two-stage Doppler cooling technique, the 171Yb atoms are cooled down to a temperature of 6±3 μK, which is close to the Doppler limit. Then, the cold 171Yb atoms are loaded into a one-dimensional optical lattice with a wavelength of 759 nm in the Lamb-Dicke regime. Furthermore, these cold 171Yb atoms are excited from the ground-state 1S0 to the excited-state 3P0 by a clock laser with a wavelength of 578 nm. Finally, the 1S0-3P0 clock-transition spectrum of these 171Yb atoms is obtained by measuring the dependence of the population of the ground-state 1S0 upon the clock-laser detuning.
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Received: 11 March 2013
Revised: 08 April 2013
Accepted manuscript online:
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PACS:
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06.30.Ft
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(Time and frequency)
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32.30.-r
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(Atomic spectra?)
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37.10.De
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(Atom cooling methods)
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37.10.Jk
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(Atoms in optical lattices)
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| Fund: Project supported by the National Basic Research Program of China (Grant Nos. 2012CB821302 and 2010CB922903), the National Natural Science Foundation of China (Grant Nos. 11134003 and 10774044), and the Shanghai Excellent Academic Leaders Program of China (Grant No. 12XD1402400). |
Corresponding Authors:
Xu Xin-Ye
E-mail: xyxu@phy.ecnu.edu.cn
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Cite this article:
Chen Ning (陈宁), Zhou Min (周敏), Chen Hai-Qin (陈海琴), Fang Su (方苏), Huang Liang-Yu (黄良玉), Zhang Xiao-Hang (张晓航), Gao Qi (高琪), Jiang Yan-Yi (蒋燕义), Bi Zhi-Yi (毕志毅), Ma Long-Sheng (马龙生), Xu Xin-Ye (徐信业) Clock-transition spectrum of 171Yb atoms in a one-dimensional optical lattice 2013 Chin. Phys. B 22 090601
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