Development of 0.5-V Josephson junction array devices for quantum voltage standards
Wang Lanruo1, Li Jinjin2, 3, †, Cao Wenhui2, 3, Zhong Yuan2, 3, Zhang Zhonghua2, 3
       

(a) The ac I–V curves of the total array (14394 JJs) at 17.46 GHz. (b) The enlarged 1st quantum voltage step of panel (a). (c) The ac I–V curves of each of the four sub-arrays. (d) The enlarged 1st quantum voltage step of panel (c).