Evaluation of the frequency instability limited by Dick effect in the microwave 199Hg+ trapped-ion clock
Chen Yi-He1, 2, 3, She Lei1, 2, 3, †, , Wang Man1, 2, 3, Yang Zhi-Hui1, 2, 3, Liu Hao1, 2, 3, Li Jiao-Mei1, 2, 3, ‡,
       

Measured phase noise of the 107-MHz amplified output of the sub-harmonic mixer. This phase noise is the upper limitation of noise of the 40.507-GHz output of the microwave synthesizer.