1. Dipartimento di Fisica, Università degli Studi di Napoli Federico II, Napoli, Italy
2. CNR-Institute of Superconductors, Innovative Materials and Devices, Pozzuoli, Italy
3. Photon Technology (Zhejiang) Co., Ltd., Jiashan, China
4. Shanghai Key Laboratory of Superconductor Integrated Circuit Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai, China