Design of a gap tunable flux qubit with FastHenry
Akhtar Naheed, Zheng Yarui, Nazir Mudassar, Wu Yulin, Deng Hui, Zheng Dongning†, , Zhu Xiaobo‡,
       

SEM image of our gap tunable flux qubit sample (a), and schematic circuit diagram (b), showing the qubit loop (green loop), the SQUID loop (red loop), and the control lines. Crosses represent Josephson junctions.