Control of magnon–photon coupling by a direct current in a Py/Pt-superconducting cavity hybrid system

• Published in: Applied physics letters Vol. 122; no. 22
• Main Authors: Zhao, Yue, Wang, Ledong, Han, Xiang, Tian, Yufeng, Yan, Shishen, Guo, Qingjie, Zhai, Ya, Bai, Lihui
• Format: Journal Article
• Language: English
• Published: Melville American Institute of Physics 29.05.2023
• Subjects: Applied physics; Coupling; Direct current; Dispersion; Dissipation; Ferrous alloys; Hybrid systems; Magnetic alloys; Magnons; Microwave transmission; Modulation; Photons; Superconductivity; Temperature effects

In this work, using a Permalloy film and a superconducting cavity, we highlight the unique dispersion in the microwave transmission properties of the magnon–photon coupled system in the Purcell regime, in which the modulation of the coupled system can be achieved by varying the magnon dissipation ra...