Study of the optimal duty cycle and pumping rate for square-wave amplitude-modulated Bell

Study of the optimal duty cycle and pumping rate for square-wave amplitude-modulated Bell–Bloom magnetometers

Wang Mei-Ling^{1, 2}, Wang Meng-Bing^{1, 2}, Zhang Gui-Ying^{1, 2}, Zhao Kai-Feng^{1, 2, †,}

Experimental dependences of the linewidth on duty cycle for various pump powers. Blocks, circles, triangles and stars represent data taken under total pump powers of 4.2 mW, 0.4 mW, 0.08 mW, and 0.04 mW, respectively.