Preliminary progress of the state preparation with a new optical pumping method in a cesium atomic fountain clock

Lei Han; Fang Fang; Yani Zuo; Fasong Zheng; Weiliang Chen; Kun Liu; Shaoyang Dai; Tianchu Li

doi:10.1117/12.2592287

18 April 2021 Preliminary progress of the state preparation with a new optical pumping method in a cesium atomic fountain clock

Lei Han, Fang Fang, Yani Zuo, Fasong Zheng, Weiliang Chen, Kun Liu, Shaoyang Dai, Tianchu Li

Author Affiliations +

Proceedings Volume 11771, Quantum Optics and Photon Counting 2021; 117710N (2021) https://doi.org/10.1117/12.2592287
Event: SPIE Optics + Optoelectronics, 2021, Online Only

Abstract

In this paper, a new optical pumping method, redistributing the atom populations among the Zeeman magnetic sublevels of the ground state |F=3> is proposed as the state preparation process to improve the signal to noise ratio (SNR) of the atomic fountain clock with a larger atom population on the |F=3, m_F=0>clock state. A preliminary experimental result of state preparation efficiency exceeding 60% is obtained on the NIM6 cesium (Cs) fountain clock.

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Lei Han, Fang Fang, Yani Zuo, Fasong Zheng, Weiliang Chen, Kun Liu, Shaoyang Dai, and Tianchu Li "Preliminary progress of the state preparation with a new optical pumping method in a cesium atomic fountain clock", Proc. SPIE 11771, Quantum Optics and Photon Counting 2021, 117710N (18 April 2021); https://doi.org/10.1117/12.2592287

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