We demonstrate microwave-mediated distant magnon-magnon coupling on a
superconducting circuit platform, incorporating chip-mounted single-crystal Y 3 Fe 5 O 12 …

Coupled microwave photon-magnon hybrid systems offer promising applications by
harnessing various magnon physics. At present, in order to realize high coupling strength …

We report measurements made at millikelvin temperatures of a superconducting coplanar
waveguide resonator (CPWR) coupled to a sphere of yttrium-iron garnet. Systems …

We demonstrate strong magnon-photon coupling of a thin-film Permalloy device fabricated
on a coplanar superconducting resonator. A coupling strength of 0.152 GHz and a …

Combining different physical systems in hybrid quantum circuits opens up novel possibilities
for quantum technologies. In quantum magnonics, quanta of collective excitation modes in a …

We realize a cavity magnon-microwave photon system in which a magnetic dipole
interaction mediates strong coupling between the collective motion of a large number of …

The critical step for future quantum industry demands realization of efficient information
exchange between different-platform hybrid systems that can harvest advantages of distinct …

Using a submillimeter-sized YIG (yttrium-iron-garnet) sphere mounted in a magnetic-field-
focusing cavity, we demonstrate an ultrahigh cooperativity of 1 0 5 between magnon and …

Interfacing superconducting quantum processors, working in the GHz frequency range, with
optical quantum networks and atomic qubits is a challenging task for the implementation of …

Rigidity of an ordered phase in condensed matter results in collective excitation modes
spatially extending to macroscopic dimensions. A magnon is a quantum of such collective …