Rapid extraction of the phase shift of the cold-atom interferometer via phase demodulation*
Cheng Binga), Wang Zhao-Yinga), Xu Ao-Penga), Wang Qi-Yua), Lin Qianga),b)
       
The magnetic field strength as a function of the falling time: (a) bias field current 0.5 A, (b) bias field current 1.0 A.