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The generation of robust entanglement in quantum system arrays is a crucialaspect of the realization of efficient quantum information processing.Recently, the field of quantum magnonics has garnered significant attention asa promising platform for advancing in this direction. In our proposed scheme,we utilize a one-dimensional array of coupled cavities, with each cavityhousing a single yttrium iron garnet (YIG) sphere coupled to the cavity modethrough magnetic dipole interaction. To induce entanglement between YIGs, weemploy a local squeezed reservoir, which provides the necessary nonlinearityfor entanglement generation. Our results demonstrate the successful generationof bipartite and tripartite entanglement between distant magnon modes, allachieved through a single quantum reservoir. Furthermore, the steady-stateentanglement between magnon modes is robust against magnon dissipation ratesand environment temperature. Our results may lead to applications ofcavity-magnon arrays in quantum information processing and quantumcommunication systems.

Macroscopic distant magnon modes entanglement via a squeezed reservoir