A resistive coupling circuit is used to model the recently discovered dissipative coupling in a hybridized cavity photon-magnon system. With this model as a basis we have designed a planar cavity in which a controllable transition between level attraction and level repulsion can be achieved. This behaviour can be quantitatively understood using an LCR circuit model with a complex coupling strength. Our work therefore develops and verifies a circuit method to model level repulsion and level attraction and confirms the universality of dissipative coupling in the cavity photon-magnon system. The realization of both coherent and dissipative couplings in a planar cavity may provide new avenues for the design and adaptation of dissipatively coupled systems for practical applications in information processing.
@article{arxiv.1901.07633,
title = {Control of the magnon-photon level attraction in a planar cavity},
author = {Y. Yang and J. W. Rao and Y. S. Gui and B. M. Yao and W. Lu and C. -M. Hu},
journal= {arXiv preprint arXiv:1901.07633},
year = {2019}
}
Comments
7 papges, 4 figures and 2 additional figures in the appendix