Tunable Superconducting Resonators Developed for Advanced Applications

Researchers have created dually tunable YBCO coplanar waveguide resonators by incorporating helium-ion-generated Josephson inductances. This innovation in superconducting microwave circuits offers a versatile and dependable platform. It holds potential for applications in quantum information science and astrophysical particle detectors, especially in challenging high-magnetic-field and high-temperature conditions.