Modulation depth of series SQUIDs modified by Josephson junction area<sup>

Modulation depth of series SQUIDs modified by Josephson junction area

Liu Jie¹, Gao He^{2, 3}, Li Gang¹, Wei Li Zheng², Ahmada Kamal¹, Ying Shan Zhang¹, Liu Jian She¹, Chen Wei^{1, †}

(color online) The critical current of series SQUIDs with different junction areas. A: 5.3 μm², B: 8.2 μm², C: 15.9 μm², D: 22.5 μm² (the critical currents are 30 μA, 50 μA, 84 μA, and 124 μA, respectively).