High-temperature superconducting filter using self-embedding asymmetric stepped impedance resonator with wide stopband performance and miniaturized size

Wang Dan¹, Wei Bin^{1, †}, Heng Yong², Cao Bi-Song¹

(color online) (a) Topology I, topology of SE-ASIRs, (b) Topology II, topology of hollow ASIRs, and (c) Topology III, topology of folded ASIRs.