| ELECTROMAGNETISM, OPTICS, ACOUSTICS, HEAT TRANSFER, CLASSICAL MECHANICS, AND FLUID DYNAMICS |
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Generation of squeezed states of magnons and photons based on the Kerr effect in cavity-magnon hybrid system |
| Cheng-Hua Bai(白成华)1,† and Suying Bai(白素英)2,‡ |
1 School of Semiconductor and Physics, North University of China, Taiyuan 030051, China;
2 School of Physics and Information Engineering, Shanxi Normal University, Taiyuan 030031, China |
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Abstract Based on the magnon Kerr effect, we show how to generate quantum squeezed states of magnons and photons in the cavity-magnon hybrid system. We find that the squeezing of magnons can be successfully induced by the magnon nonlinearity and the larger two-magnon effect strength will be beneficial to achieving the stronger squeezing of magnon. Resorting to the beam-splitter interaction between the magnons and photons, we further show that the squeezing of photons can be also effectively achieved. By properly choosing the system parameters, we demonstrate that the desired direction of the generated squeezing both for magnons and photons can be flexibly switched between orthogonal directions. Our scheme provides an alternative manipulation method to explore the quantum phenomena with nonlinear effects and also has significant potential applications in quantum precision measurement.
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Received: 18 January 2026
Revised: 19 February 2026
Accepted manuscript online: 27 February 2026
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PACS:
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42.50.Lc
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(Quantum fluctuations, quantum noise, and quantum jumps)
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42.50.Dv
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(Quantum state engineering and measurements)
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71.36.+c
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(Polaritons (including photon-phonon and photon-magnon interactions))
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| Fund: Project supported by the National Natural Science Foundation of China (Grant Nos. 12204440 and 12204292) and Fundamental Research Program of Shanxi Province, China (Grant No. 202203021212405). |
Corresponding Authors:
Cheng-Hua Bai, Suying Bai
E-mail: chbai2021@foxmail.com;sybai2021@foxmail.com
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Cite this article:
Cheng-Hua Bai(白成华) and Suying Bai(白素英) Generation of squeezed states of magnons and photons based on the Kerr effect in cavity-magnon hybrid system 2026 Chin. Phys. B 35 044210
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