Preparation of Distant Quantum Entanglement and One‐way Quantum Steering in Hybrid Cavity‐Magnonics‐and‐Cavity‐Optomechanical Systems

Author:

Wan Qin‐Min123,Lin Yue‐Han123,Lin Ya‐Qin123,Cong Long‐Jiang4,Yang Rong‐Can123ORCID,Liu Hong‐Yu4ORCID

Affiliation:

1. College of Physics and Energy Fujian Normal University, Fujian Provincial Key Laboratory of Quantum Manipulation and New Energy Materials Fuzhou 350117 China

2. Fujian Provincial Engineering Technology Research Center of Solar Energy Conversion and Energy Storage Fuzhou 350117 China

3. Fujian Provincial Collaborative Innovation Center for Advanced High‐Field Superconducting Materials and Engineering Fuzhou 350117 China

4. Department of Physics College of Science, Yanbian University Yanji 133002 China

Abstract

AbstractA hybrid system that combines cavity magnonics and cavity optomechanics is proposed to facilitate the generation of long‐distance entanglement and enable one‐way steering between magnons and phonons. This configuration involves two directly coupled cavities, with one interacting with magnons and the other coupling with a mechanical oscillator (i.e., phonons). By driving the microwave cavity with a weak squeezed vacuum field generated by a flux‐driven Josephson parametric amplifier, entanglement and one‐way steering can be further enhanced. Moreover, the results demonstrate that magnon–phonon entanglement and one‐way quantum steering exhibit robustness against temperature variations, which has significant implications for quantum information processing and storage.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Fujian Province

Publisher

Wiley

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