Broadband squeezed light field by magnetostriction in an opto-magnomechanical

• URL: http://arxiv.org/abs/2402.04983v1
• Date: Wed, 7 Feb 2024 15:59:53 GMT
• Title: Broadband squeezed light field by magnetostriction in an opto-magnomechanical
• Authors: Ke Di, Shuai Tan, Anyu Cheng, Yinxue Zhao, Yu Liu, Jiajia Du
• Abstract summary: We present a novel mechanism for generating a wide bandwidth squeezed optical output field in an opto-magnomechanical system. Our results demonstrate the optimal parameter range for obtaining a stable squeezed optical output field with a wide bandwidth. The new scheme we propose has potential applications in quantum precision measurements, quantum wireless networks, quantum radar, etc.
• Score: 3.8902807397914687
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: We present a novel mechanism for generating a wide bandwidth squeezed optical output field in an opto-magnomechanical system. In this system, the magnon (mechanical) mode in the yttrium-iron-garnet crystal is coupled to the microwave field (optical field) through magnetic dipole (radiation pressure) interaction. The magnetostrictive force induced by the yttrium-iron-garnet crystal causes a mechanical displacement and creates a quadrature squeezed magnon mode. Eventually, this quadrature squeezed mechanical mode is transferred to the output optical field through state-swap interaction. Our results demonstrate the optimal parameter range for obtaining a stable squeezed optical output field with a wide bandwidth. Moreover, the squeezed light field exhibits strong robustness to environmental temperature. The new scheme we propose has potential applications in quantum precision measurements, quantum wireless networks, quantum radar, etc.

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