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We present a scheme to entangle two magnon modes in a cavity magnomechanical system. The two magnon modes are embodied by collective motions of a large number of spins in two macroscopic ferrimagnets, and couple to a single microwave cavity…

Quantum Physics · Physics 2022-03-14 Jie Li , Shi-Yao Zhu

We present a theoretical study of synchronization between two strongly driven magnon modes indirectly coupled via a single-mode microwave cavity. Each magnon mode, hosted in separate Yttrium Iron Garnet spheres, interacts coherently with…

Quantum Physics · Physics 2026-03-03 Jatin Ghildiyal , Shubhrangshu Dasgupta , Asoka Biswas

We propose a new mechanism to achieve nonreciprocal quantum entanglement in a cavity magnomechanical system by exploiting the chiral cavity-magnon coupling. The system consists of a magnon mode, a mechanical vibration mode, and two…

Quantum Physics · Physics 2025-10-07 Zhi-Yuan Fan , Xuan Zuo , Hao-Tian Li , Jie Li

We present a scheme to entangle the vibrational phonon modes of two massive ferromagnetic spheres in a dual-cavity magnomechanical system. In each cavity, a microwave cavity mode couples to a magnon mode (spin wave) via the magnetic dipole…

Quantum Physics · Physics 2021-02-19 Jie Li , Simon Gröblacher

We investigate the magnon-photon couplings by employing a small magnet within an irregular resonant cavity, which leads to a desirable nonreciprocity with a big isolation ratio. Moreover, the higher-order couplings between the spin wave…

Applied Physics · Physics 2021-06-02 Chi Zhang , Chenglong Jia , Yongzhang Shi , Changjun Jiang , Desheng Xue , C. K. Ong , Guozhi Chai

Currently, there is a growing interest in studying the coherent interaction between magnetic systems and electromagnetic radiation in a cavity, prompted partly by possible applications in hybrid quantum systems. We propose a multimode…

Mesoscale and Nanoscale Physics · Physics 2020-05-13 T. S. Parvini , V. A. S. V. Bittencourt , Silvia Viola Kusminskiy

We investigate theoretically the improvement of the entanglement between the indirectly coupled two magnon modes in a magnomechanical system with magnon squeezing. We quantify the degree of entanglement via logarithmic negativity between…

Quantum Physics · Physics 2025-04-24 Hamza Harraf , Mohamed Amazioug , Rachid Ahl Laamara

Cavity magnomechanics has opened a new frontier in quantum electrodynamics, yielding several significant theoretical and experimental results. In this paper, we propose a different theoretical mechanism to achieve nonreciprocal macroscopic…

Quantum Physics · Physics 2026-05-20 Ziyad Imara , Khadija El Anouz , Ilkay Demir , Abderrahim El Allati

We show how to utilize magnetostriction to synchronize two mechanical vibration modes in a cavity magnomechanical system. The dispersive magnetostrictive interaction provides necessary nonlinearity required for achieving synchronization.…

Quantum Physics · Physics 2023-12-06 Jiong Cheng , Wenlin Li , Jie Li

Synthetic antiferromagnet, comprised of two ferromagnetic layers separated by a non-magnetic layer, possesses two uniform precession resonance modes: in-phase acoustic mode and out-of-phase optic mode. In this work, we theoretically and…

Strongly Correlated Electrons · Physics 2021-03-19 Changting Dai , Fusheng Ma

N\'eel ordered antiferromagnets exhibit two-mode squeezing such that their ground state is a nonclassical superposition of magnon Fock states. Here we theoretically demonstrate that antiferromagnets can couple to spin qubits via direct…

Mesoscale and Nanoscale Physics · Physics 2024-05-09 Anna-Luisa E. Römling , Akashdeep Kamra

On-chip cavity magnomechanics is an emerging field exploring acoustic and magnonic functionalities of various ferromagnetic materials and structures using strongly confined phonons. It is expected that such cavity magnomechanics can be…

Mesoscale and Nanoscale Physics · Physics 2023-10-25 Motoki Asano , Hiroki Matsumoto , Masamitsu Hayashi , Daiki Hatanaka

Coherent coupling between microwave cavity photons and magnon excitations enables quantum transduction, magnon-mediated entanglement, and magnon number-resolved detection. Micromagnetic simulation of photon-magnon coupling typically…

Mesoscale and Nanoscale Physics · Physics 2026-03-05 Gyuyoung Park , OukJae Lee , Biswanath Bhoi

Cavity-magnon systems, combining magnons and photons, offer a versatile platform for studying quantum entanglement and advancing quantum information science. In this work, we propose a scheme for generating nonreciprocal magnon-magnon…

Quantum Physics · Physics 2026-05-15 Zhisheng Xu , Mengxue Li , Chunfang Sun , Gangcheng Wang

We present a scheme to enhance two different magnon modes entanglement in cavity magnomechanics via nonlinear effect. The scheme demonstrated that nonlinear effects enhance entanglement of the two magnon modes. Moreover, the entanglement of…

Quantum Physics · Physics 2024-02-05 Ke Di , Xi Wang , Shuai Tan , Yinxue Zhao , Yu Liu , Anyu Cheng , Jiajia Du

We investigate both magnon and photon blockade for an antiferromagnetic insulator coupled to a linearly polarized cavity mode. We focus on the cross-Kerr nonlinearity between the two magnon modes, which can be large in antiferromagnets with…

Mesoscale and Nanoscale Physics · Physics 2025-09-18 Vemund Falch , Arne Brataas , Alireza Qaiumzadeh

In condensed matter systems, interactions between collective modes offer avenues for nonlinear coherent manipulation of coupled excitations and quantum phases. Antiferromagnets, with their inherently coupled magnon modes, provide a…

We propose an experimentally realizable nonreciprocal magnonic device at the single-magnon level by exploiting magnon blockade in a magnon-based hybrid system. The coherent qubit-magnon coupling, mediated by virtual photons in a microwave…

Quantum Physics · Physics 2022-05-09 Yimin Wang , Wei Xiong , Zhiyong Xu , Guo-Qiang Zhang , J. Q. You

Coupling of space-separated oscillators is interesting for quantum and communication technologies. In this work, it is shown that two antiferromagnetic oscillators placed inside an electromagnetic cavity couple cooperatively to its…

Mesoscale and Nanoscale Physics · Physics 2023-06-06 M. Białek , W. Knap , J. -Ph. Ansermet

The recently developed hybrid magnonics provides new opportunities for advances in both the study of magnetism and the development of quantum information processing. However, engineering coherent quantum state transfer between magnons and…

Quantum Physics · Physics 2023-07-25 Yan Wang , Hui-Lai Zhang , Jin-Lei Wu , Jie Song , Kun Yang , Wei Qin , Hui Jing , Le-Man Kuang
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