Coherent coupling of two remote magnonic resonators mediated by superconducting circuits

Abstract

We demonstrate microwave-mediated distant magnon-magnon coupling on a superconducting circuit platform, incorporating chip-mounted single-crystal Y${}_3$Fe${}_5$O${}_{12}$ (YIG) spheres. Coherent level repulsion and dissipative level attraction between the magnon modes of the two YIG spheres are demonstrated. The former is mediated by cavity photons of a superconducting resonator, and the latter is mediated by propagating photons of a coplanar waveguide. Our results open new avenues towards exploring integrated hybrid magnonic networks for coherent information processing on a quantum-compatible superconducting platform.

6 pages, 4 figures, Accepted in Phys. Rev. Lett

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• Strong On-Chip Microwave Photon-Magnon Coupling Using Ultra-low Damping Epitaxial Y3Fe5O12 Films at 2 Kelvin
• Magnetic anisotropy and GGG substrate stray field in YIG films down to millikelvin temperatures
• Anomalous Long-Distance Coherence in Critically-Driven Cavity Magnonics
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• Entropy production rate and correlations of cavity magnomechanical system
• Chiral coupling between a ferromagnetic magnon and a superconducting qubit
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• Acoustic attenuation in magnetic insulator films: effects of magnon polaron formation
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• Waveguide QED with dissipative light-matter couplings
• Interpreting S-Parameter Spectra in Coupled Resonant Systems: The Role of Probing Configurations
• Dynamical phase-field model of cavity electromagnonic systems
• Controllable non-Hermitian qubit-qubit Coupling in Superconducting quantum Circuit
• Hybridization of terahertz phonons and magnons in disparate and spatially-separated material specimens
• Nonreciprocal superradiant quantum phase transition induced by the magnon Kerr effect
• Unveiling photon-photon coupling induced transparency and absorption
• Macroscopic entanglement between localized domain walls inside a cavity
• Remote magnon-phonon entanglement in the waveguide-magnomechanics
• Realizing on-demand all-to-all selective interactions between distant spin ensembles