Hybrid magnon-photon bundle emission from a ferromagnetic-superconducting system
Chengdeng Gou, Xiangming Hu, Jun Xu, Fei Wang
DOI 10.1103/PhysRevResearch.6.023052 · Physical Review Research
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Abstract
We show that the hybrid magnon-photon bundle emission is possible to generate by employing a three-level Δ-type superconducting artificial atom. The single atom is dispersively coupled with two microwave cavities, one of which simultaneously couples to a yttrium iron garnet (YIG) sphere via the magnetic dipole interaction. Based on the virtual photon exchange, the indirect magnon-atom interaction is established with flexibly tunable coupling strength, thus leading to the consecutive emission of hybrid magnon-photon pairs. The super-Rabi oscillation and Purcell effect make such a hybrid bundle possible in the present three-level system, which is difficult to achieve in the two-level system. The present scheme may find potential applications in quantum information processing and quantum sensing technology.
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