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arXiv · 2303.00361

Development and Evaluation of a Narrow Linewidth Laser System for 171Yb+ E2 Transition

Yani Zuo·Shiying Cao·Shaoyang Dai·Yige Lin·Tao Yang·Baike Lin·Fei Meng·Weiliang Chen·Kun Liu·Fasong Zheng·Tianchu Li·Fang Fang
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Abstract

We report the construction and characterization of a narrow-linewidth laser system to interrogate the E2 clock transitions at 436 nm of ytterbium ions trapped in end-cap traps. The 871 nm seed laser at the fundamental frequency is referenced to a 10 cm long notched ULE cavity. The output of the laser system is delivered to a narrow-linewidth femtosecond fiber comb, which has been referenced to an ultrastable 698 nm laser, with a phase noise-canceled fiber link. The beat between the laser and the comb shows a sub-Hz linewidth, and with a stability better than 2E-15@1~100 s. The performance of the self-developed wavelength extension ports at 871 nm of the narrow linewidth erbium-doped fiber comb with single-point frequency-doubling technique is also verified.

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Yani Zuo, Shiying Cao, Shaoyang Dai, Yige Lin, Tao Yang, Baike Lin, Fei Meng, Weiliang Chen, Kun Liu, Fasong Zheng, Tianchu Li, Fang Fang. 2023-03-01. Development and Evaluation of a Narrow Linewidth Laser System for 171Yb+ E2 Transition. https://arxiv.org/abs/2303.00361

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