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) Photographs of fabricated series of SQUID amplifier with identical junction area of 15.9 μm² wire bonding onto a PCB circuit board.